id	sid	tid	token	lemma	pos
ap-1991	1	1	acta	acta	PROPN
ap-1991	1	2	polytechnica	polytechnica	PROPN
ap-1991	1	3	doi:10.14311	doi:10.14311	PROPN
ap-1991	1	4	/	/	SYM
ap-1991	1	5	ap.2013.53.0790	ap.2013.53.0790	PROPN
ap-1991	1	6	acta	acta	PROPN
ap-1991	1	7	polytechnica	polytechnica	PROPN
ap-1991	1	8	53(supplement):790–792	53(supplement):790–792	PROPN
ap-1991	1	9	,	,	PUNCT
ap-1991	1	10	2013	2013	NUM
ap-1991	1	11	©	©	PROPN
ap-1991	1	12	czech	czech	PROPN
ap-1991	1	13	technical	technical	PROPN
ap-1991	1	14	university	university	PROPN
ap-1991	1	15	in	in	ADP
ap-1991	1	16	prague	prague	PROPN
ap-1991	1	17	,	,	PUNCT
ap-1991	1	18	2013	2013	NUM
ap-1991	1	19	available	available	ADJ
ap-1991	1	20	online	online	ADV
ap-1991	1	21	at	at	ADP
ap-1991	1	22	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	PROPN
ap-1991	1	23	neutrinoless	neutrinoless	ADJ
ap-1991	1	24	double	double	ADJ
ap-1991	1	25	beta	beta	NOUN
ap-1991	1	26	decay	decay	NOUN
ap-1991	1	27	:	:	PUNCT
ap-1991	1	28	an	an	DET
ap-1991	1	29	extreme	extreme	ADJ
ap-1991	1	30	challenge	challenge	NOUN
ap-1991	1	31	fernando	fernando	PROPN
ap-1991	1	32	ferroni∗	ferroni∗	PROPN
ap-1991	1	33	department	department	PROPN
ap-1991	1	34	of	of	ADP
ap-1991	1	35	physics	physics	PROPN
ap-1991	1	36	,	,	PUNCT
ap-1991	1	37	sapienza	sapienza	PROPN
ap-1991	1	38	university	university	PROPN
ap-1991	1	39	&	&	CCONJ
ap-1991	1	40	infn	infn	PROPN
ap-1991	1	41	,	,	PUNCT
ap-1991	1	42	roma	roma	PROPN
ap-1991	1	43	,	,	PUNCT
ap-1991	1	44	italy	italy	PROPN
ap-1991	1	45	∗	∗	VERB
ap-1991	1	46	corresponding	correspond	VERB
ap-1991	1	47	author	author	NOUN
ap-1991	1	48	:	:	PUNCT
ap-1991	1	49	fernando.ferroni@roma1.infn.it	fernando.ferroni@roma1.infn.it	NOUN
ap-1991	1	50	abstract	abstract	NOUN
ap-1991	1	51	.	.	PUNCT
ap-1991	2	1	neutrino	neutrino	NOUN
ap-1991	2	2	-	-	PUNCT
ap-1991	2	3	less	less	ADJ
ap-1991	2	4	double	double	ADJ
ap-1991	2	5	beta	beta	NOUN
ap-1991	2	6	decay	decay	NOUN
ap-1991	2	7	is	be	AUX
ap-1991	2	8	the	the	DET
ap-1991	2	9	only	only	ADV
ap-1991	2	10	known	know	VERB
ap-1991	2	11	way	way	NOUN
ap-1991	2	12	to	to	PART
ap-1991	2	13	possibly	possibly	ADV
ap-1991	2	14	resolve	resolve	VERB
ap-1991	2	15	the	the	DET
ap-1991	2	16	nature	nature	NOUN
ap-1991	2	17	of	of	ADP
ap-1991	2	18	neutrino	neutrino	NOUN
ap-1991	2	19	mass	mass	PROPN
ap-1991	2	20	.	.	PUNCT
ap-1991	3	1	the	the	DET
ap-1991	3	2	chances	chance	NOUN
ap-1991	3	3	to	to	PART
ap-1991	3	4	cover	cover	VERB
ap-1991	3	5	the	the	DET
ap-1991	3	6	mass	mass	NOUN
ap-1991	3	7	region	region	NOUN
ap-1991	3	8	predicted	predict	VERB
ap-1991	3	9	by	by	ADP
ap-1991	3	10	the	the	DET
ap-1991	3	11	inverted	inverted	ADJ
ap-1991	3	12	hierarchy	hierarchy	NOUN
ap-1991	3	13	require	require	VERB
ap-1991	3	14	a	a	DET
ap-1991	3	15	step	step	NOUN
ap-1991	3	16	forward	forward	ADV
ap-1991	3	17	in	in	ADP
ap-1991	3	18	detector	detector	NOUN
ap-1991	3	19	capability	capability	NOUN
ap-1991	3	20	.	.	PUNCT
ap-1991	4	1	a	a	DET
ap-1991	4	2	possibility	possibility	NOUN
ap-1991	4	3	is	be	AUX
ap-1991	4	4	to	to	PART
ap-1991	4	5	make	make	VERB
ap-1991	4	6	use	use	NOUN
ap-1991	4	7	of	of	ADP
ap-1991	4	8	scintillating	scintillating	ADJ
ap-1991	4	9	bolometers	bolometer	NOUN
ap-1991	4	10	.	.	PUNCT
ap-1991	5	1	these	these	DET
ap-1991	5	2	devices	device	NOUN
ap-1991	5	3	shall	shall	AUX
ap-1991	5	4	have	have	VERB
ap-1991	5	5	a	a	DET
ap-1991	5	6	great	great	ADJ
ap-1991	5	7	power	power	NOUN
ap-1991	5	8	in	in	ADP
ap-1991	5	9	distinguishing	distinguish	VERB
ap-1991	5	10	signals	signal	NOUN
ap-1991	5	11	from	from	ADP
ap-1991	5	12	alfa	alfa	NOUN
ap-1991	5	13	particles	particle	NOUN
ap-1991	5	14	from	from	ADP
ap-1991	5	15	those	those	PRON
ap-1991	5	16	induced	induce	VERB
ap-1991	5	17	by	by	ADP
ap-1991	5	18	electrons	electron	NOUN
ap-1991	5	19	.	.	PUNCT
ap-1991	6	1	this	this	DET
ap-1991	6	2	feature	feature	NOUN
ap-1991	6	3	might	might	AUX
ap-1991	6	4	lead	lead	VERB
ap-1991	6	5	to	to	ADP
ap-1991	6	6	an	an	DET
ap-1991	6	7	almost	almost	ADV
ap-1991	6	8	background	background	NOUN
ap-1991	6	9	-	-	PUNCT
ap-1991	6	10	free	free	ADJ
ap-1991	6	11	experiment	experiment	NOUN
ap-1991	6	12	.	.	PUNCT
ap-1991	7	1	here	here	ADV
ap-1991	7	2	the	the	DET
ap-1991	7	3	lucifer	lucifer	PROPN
ap-1991	7	4	concept	concept	NOUN
ap-1991	7	5	will	will	AUX
ap-1991	7	6	be	be	AUX
ap-1991	7	7	introduced	introduce	VERB
ap-1991	7	8	and	and	CCONJ
ap-1991	7	9	the	the	DET
ap-1991	7	10	prospects	prospect	NOUN
ap-1991	7	11	related	relate	VERB
ap-1991	7	12	to	to	ADP
ap-1991	7	13	this	this	DET
ap-1991	7	14	project	project	NOUN
ap-1991	7	15	will	will	AUX
ap-1991	7	16	be	be	AUX
ap-1991	7	17	discussed	discuss	VERB
ap-1991	7	18	.	.	PUNCT
ap-1991	8	1	keywords	keyword	NOUN
ap-1991	8	2	:	:	PUNCT
ap-1991	8	3	neutrino	neutrino	NOUN
ap-1991	8	4	physics	physics	NOUN
ap-1991	8	5	,	,	PUNCT
ap-1991	8	6	majorana	majorana	PROPN
ap-1991	8	7	mass	mass	PROPN
ap-1991	8	8	,	,	PUNCT
ap-1991	8	9	bolometers	bolometer	NOUN
ap-1991	8	10	.	.	PUNCT
ap-1991	9	1	1	1	X
ap-1991	9	2	.	.	X
ap-1991	9	3	introduction	introduction	NOUN
ap-1991	9	4	mysteries	mystery	NOUN
ap-1991	9	5	about	about	ADP
ap-1991	9	6	neutrinos	neutrino	NOUN
ap-1991	9	7	are	be	AUX
ap-1991	9	8	several	several	ADJ
ap-1991	9	9	and	and	CCONJ
ap-1991	9	10	of	of	ADP
ap-1991	9	11	different	different	ADJ
ap-1991	9	12	nature	nature	NOUN
ap-1991	9	13	.	.	PUNCT
ap-1991	10	1	we	we	PRON
ap-1991	10	2	know	know	VERB
ap-1991	10	3	that	that	SCONJ
ap-1991	10	4	they	they	PRON
ap-1991	10	5	are	be	AUX
ap-1991	10	6	neutral	neutral	ADJ
ap-1991	10	7	particles	particle	NOUN
ap-1991	10	8	with	with	ADP
ap-1991	10	9	an	an	DET
ap-1991	10	10	extraordinary	extraordinary	ADJ
ap-1991	10	11	little	little	ADJ
ap-1991	10	12	mass	mass	NOUN
ap-1991	10	13	compared	compare	VERB
ap-1991	10	14	to	to	ADP
ap-1991	10	15	the	the	DET
ap-1991	10	16	one	one	NUM
ap-1991	10	17	of	of	ADP
ap-1991	10	18	all	all	DET
ap-1991	10	19	the	the	DET
ap-1991	10	20	other	other	ADJ
ap-1991	10	21	particles	particle	NOUN
ap-1991	10	22	.	.	PUNCT
ap-1991	11	1	although	although	SCONJ
ap-1991	11	2	they	they	PRON
ap-1991	11	3	are	be	AUX
ap-1991	11	4	massive	massive	ADJ
ap-1991	11	5	we	we	PRON
ap-1991	11	6	have	have	AUX
ap-1991	11	7	not	not	PART
ap-1991	11	8	succeeded	succeed	VERB
ap-1991	11	9	yet	yet	ADV
ap-1991	11	10	in	in	ADP
ap-1991	11	11	measuring	measure	VERB
ap-1991	11	12	their	their	PRON
ap-1991	11	13	mass	mass	NOUN
ap-1991	11	14	.	.	PUNCT
ap-1991	12	1	we	we	PRON
ap-1991	12	2	do	do	AUX
ap-1991	12	3	not	not	PART
ap-1991	12	4	know	know	VERB
ap-1991	12	5	if	if	SCONJ
ap-1991	12	6	the	the	DET
ap-1991	12	7	neutrino	neutrino	NOUN
ap-1991	12	8	is	be	AUX
ap-1991	12	9	a	a	DET
ap-1991	12	10	particle	particle	NOUN
ap-1991	12	11	different	different	ADJ
ap-1991	12	12	from	from	ADP
ap-1991	12	13	its	its	PRON
ap-1991	12	14	antiparticle	antiparticle	NOUN
ap-1991	12	15	or	or	CCONJ
ap-1991	12	16	rather	rather	ADV
ap-1991	12	17	as	as	ADP
ap-1991	12	18	by	by	ADP
ap-1991	12	19	majorana	majorana	NOUN
ap-1991	12	20	[	[	X
ap-1991	12	21	1	1	NUM
ap-1991	12	22	]	]	PUNCT
ap-1991	12	23	are	be	AUX
ap-1991	12	24	the	the	DET
ap-1991	12	25	same	same	ADJ
ap-1991	12	26	particle	particle	NOUN
ap-1991	12	27	.	.	PUNCT
ap-1991	13	1	majorana	majorana	PROPN
ap-1991	13	2	observed	observe	VERB
ap-1991	13	3	that	that	SCONJ
ap-1991	13	4	the	the	DET
ap-1991	13	5	minimal	minimal	ADJ
ap-1991	13	6	description	description	NOUN
ap-1991	13	7	of	of	ADP
ap-1991	13	8	spin	spin	NOUN
ap-1991	13	9	1/2	1/2	NUM
ap-1991	13	10	particles	particle	NOUN
ap-1991	13	11	involves	involve	VERB
ap-1991	13	12	only	only	ADV
ap-1991	13	13	two	two	NUM
ap-1991	13	14	degrees	degree	NOUN
ap-1991	13	15	of	of	ADP
ap-1991	13	16	freedom	freedom	NOUN
ap-1991	13	17	and	and	CCONJ
ap-1991	13	18	that	that	SCONJ
ap-1991	13	19	such	such	DET
ap-1991	13	20	a	a	DET
ap-1991	13	21	particle	particle	NOUN
ap-1991	13	22	,	,	PUNCT
ap-1991	13	23	absolutely	absolutely	ADV
ap-1991	13	24	neutral	neutral	ADJ
ap-1991	13	25	,	,	PUNCT
ap-1991	13	26	coincides	coincide	VERB
ap-1991	13	27	with	with	ADP
ap-1991	13	28	its	its	PRON
ap-1991	13	29	antiparticle	antiparticle	NOUN
ap-1991	13	30	.	.	PUNCT
ap-1991	14	1	if	if	SCONJ
ap-1991	14	2	the	the	DET
ap-1991	14	3	majorana	majorana	PROPN
ap-1991	14	4	conjecture	conjecture	NOUN
ap-1991	14	5	holds	hold	VERB
ap-1991	14	6	then	then	ADV
ap-1991	14	7	it	it	PRON
ap-1991	14	8	will	will	AUX
ap-1991	14	9	be	be	AUX
ap-1991	14	10	possible	possible	ADJ
ap-1991	14	11	to	to	PART
ap-1991	14	12	observe	observe	VERB
ap-1991	14	13	an	an	DET
ap-1991	14	14	extremely	extremely	ADV
ap-1991	14	15	fascinating	fascinating	ADJ
ap-1991	14	16	and	and	CCONJ
ap-1991	14	17	rare	rare	ADJ
ap-1991	14	18	process	process	NOUN
ap-1991	14	19	that	that	PRON
ap-1991	14	20	takes	take	VERB
ap-1991	14	21	the	the	DET
ap-1991	14	22	name	name	NOUN
ap-1991	14	23	of	of	ADP
ap-1991	14	24	neutrinoless	neutrinoless	ADJ
ap-1991	14	25	double	double	ADJ
ap-1991	14	26	beta	beta	NOUN
ap-1991	14	27	decay	decay	NOUN
ap-1991	14	28	(	(	PUNCT
ap-1991	14	29	0ν2β	0ν2β	ADJ
ap-1991	14	30	)	)	PUNCT
ap-1991	14	31	.	.	PUNCT
ap-1991	15	1	the	the	DET
ap-1991	15	2	net	net	ADJ
ap-1991	15	3	effect	effect	NOUN
ap-1991	15	4	of	of	ADP
ap-1991	15	5	this	this	DET
ap-1991	15	6	ultra	ultra	ADJ
ap-1991	15	7	rare	rare	ADJ
ap-1991	15	8	process	process	NOUN
ap-1991	15	9	will	will	AUX
ap-1991	15	10	be	be	AUX
ap-1991	15	11	to	to	PART
ap-1991	15	12	transform	transform	VERB
ap-1991	15	13	two	two	NUM
ap-1991	15	14	neutrons	neutron	NOUN
ap-1991	15	15	in	in	ADP
ap-1991	15	16	a	a	DET
ap-1991	15	17	nucleus	nucleus	NOUN
ap-1991	15	18	into	into	ADP
ap-1991	15	19	two	two	NUM
ap-1991	15	20	protons	proton	NOUN
ap-1991	15	21	and	and	CCONJ
ap-1991	15	22	simultaneously	simultaneously	ADV
ap-1991	15	23	to	to	PART
ap-1991	15	24	emit	emit	VERB
ap-1991	15	25	two	two	NUM
ap-1991	15	26	electrons	electron	NOUN
ap-1991	15	27	.	.	PUNCT
ap-1991	16	1	since	since	SCONJ
ap-1991	16	2	no	no	DET
ap-1991	16	3	neutrinos	neutrino	NOUN
ap-1991	16	4	will	will	AUX
ap-1991	16	5	be	be	AUX
ap-1991	16	6	present	present	ADJ
ap-1991	16	7	in	in	ADP
ap-1991	16	8	the	the	DET
ap-1991	16	9	final	final	ADJ
ap-1991	16	10	state	state	NOUN
ap-1991	16	11	the	the	DET
ap-1991	16	12	sum	sum	NOUN
ap-1991	16	13	of	of	ADP
ap-1991	16	14	the	the	DET
ap-1991	16	15	energy	energy	NOUN
ap-1991	16	16	of	of	ADP
ap-1991	16	17	the	the	DET
ap-1991	16	18	two	two	NUM
ap-1991	16	19	electrons	electron	NOUN
ap-1991	16	20	will	will	AUX
ap-1991	16	21	be	be	AUX
ap-1991	16	22	a	a	DET
ap-1991	16	23	monochromatic	monochromatic	ADJ
ap-1991	16	24	line	line	NOUN
ap-1991	16	25	.	.	PUNCT
ap-1991	17	1	the	the	DET
ap-1991	17	2	rate	rate	NOUN
ap-1991	17	3	of	of	ADP
ap-1991	17	4	this	this	PRON
ap-1991	17	5	,	,	PUNCT
ap-1991	17	6	so	so	ADV
ap-1991	17	7	far	far	ADV
ap-1991	17	8	,	,	PUNCT
ap-1991	17	9	unobserved	unobserved	ADJ
ap-1991	17	10	phenomenon	phenomenon	NOUN
ap-1991	17	11	will	will	AUX
ap-1991	17	12	also	also	ADV
ap-1991	17	13	allow	allow	VERB
ap-1991	17	14	a	a	DET
ap-1991	17	15	determination	determination	NOUN
ap-1991	17	16	,	,	PUNCT
ap-1991	17	17	although	although	SCONJ
ap-1991	17	18	not	not	PART
ap-1991	17	19	precise	precise	ADJ
ap-1991	17	20	,	,	PUNCT
ap-1991	17	21	of	of	ADP
ap-1991	17	22	the	the	DET
ap-1991	17	23	neutrino	neutrino	NOUN
ap-1991	17	24	mass	mass	PROPN
ap-1991	17	25	.	.	PUNCT
ap-1991	18	1	neutrinoless	neutrinoless	ADJ
ap-1991	18	2	double	double	ADJ
ap-1991	18	3	-	-	PUNCT
ap-1991	18	4	beta	beta	NOUN
ap-1991	18	5	decay	decay	NOUN
ap-1991	18	6	is	be	AUX
ap-1991	18	7	an	an	DET
ap-1991	18	8	old	old	ADJ
ap-1991	18	9	subject	subject	NOUN
ap-1991	18	10	well	well	INTJ
ap-1991	18	11	discussed	discuss	VERB
ap-1991	18	12	for	for	ADP
ap-1991	18	13	example	example	NOUN
ap-1991	18	14	by	by	ADP
ap-1991	18	15	avignone	avignone	PROPN
ap-1991	18	16	,	,	PUNCT
ap-1991	18	17	elliot	elliot	PROPN
ap-1991	18	18	&	&	CCONJ
ap-1991	18	19	engel	engel	PROPN
ap-1991	19	1	[	[	X
ap-1991	19	2	2	2	NUM
ap-1991	19	3	]	]	PUNCT
ap-1991	19	4	.	.	PUNCT
ap-1991	20	1	what	what	PRON
ap-1991	20	2	is	be	AUX
ap-1991	20	3	new	new	ADJ
ap-1991	20	4	is	be	AUX
ap-1991	20	5	the	the	DET
ap-1991	20	6	fact	fact	NOUN
ap-1991	20	7	that	that	SCONJ
ap-1991	20	8	,	,	PUNCT
ap-1991	20	9	recently	recently	ADV
ap-1991	20	10	,	,	PUNCT
ap-1991	20	11	neutrino	neutrino	NOUN
ap-1991	20	12	oscillation	oscillation	NOUN
ap-1991	20	13	experiments	experiment	NOUN
ap-1991	20	14	have	have	AUX
ap-1991	20	15	unequivocally	unequivocally	ADV
ap-1991	20	16	demonstrated	demonstrate	VERB
ap-1991	20	17	that	that	SCONJ
ap-1991	20	18	neutrinos	neutrino	NOUN
ap-1991	20	19	do	do	AUX
ap-1991	20	20	have	have	VERB
ap-1991	20	21	a	a	DET
ap-1991	20	22	non	non	ADJ
ap-1991	20	23	zero	zero	NUM
ap-1991	20	24	mass	mass	NOUN
ap-1991	20	25	and	and	CCONJ
ap-1991	20	26	that	that	SCONJ
ap-1991	20	27	the	the	DET
ap-1991	20	28	neutrino	neutrino	NOUN
ap-1991	20	29	mass	mass	NOUN
ap-1991	20	30	eigenstates	eigenstate	NOUN
ap-1991	20	31	do	do	AUX
ap-1991	20	32	mix	mix	NOUN
ap-1991	20	33	.	.	PUNCT
ap-1991	21	1	indeed	indeed	ADV
ap-1991	21	2	the	the	DET
ap-1991	21	3	massive	massive	ADJ
ap-1991	21	4	nature	nature	NOUN
ap-1991	21	5	of	of	ADP
ap-1991	21	6	neutrinos	neutrino	NOUN
ap-1991	21	7	is	be	AUX
ap-1991	21	8	a	a	DET
ap-1991	21	9	key	key	ADJ
ap-1991	21	10	element	element	NOUN
ap-1991	21	11	in	in	ADP
ap-1991	21	12	resurrecting	resurrect	VERB
ap-1991	21	13	the	the	DET
ap-1991	21	14	interest	interest	NOUN
ap-1991	21	15	for	for	ADP
ap-1991	21	16	the	the	DET
ap-1991	21	17	majorana	majorana	PROPN
ap-1991	21	18	conjecture	conjecture	NOUN
ap-1991	21	19	.	.	PUNCT
ap-1991	22	1	2	2	X
ap-1991	22	2	.	.	X
ap-1991	22	3	the	the	DET
ap-1991	22	4	physics	physics	NOUN
ap-1991	22	5	the	the	DET
ap-1991	22	6	practical	practical	ADJ
ap-1991	22	7	possibility	possibility	NOUN
ap-1991	22	8	to	to	PART
ap-1991	22	9	test	test	VERB
ap-1991	22	10	the	the	DET
ap-1991	22	11	majorana	majorana	PROPN
ap-1991	22	12	nature	nature	NOUN
ap-1991	22	13	of	of	ADP
ap-1991	22	14	neutrinos	neutrino	NOUN
ap-1991	22	15	is	be	AUX
ap-1991	22	16	indeed	indeed	ADV
ap-1991	22	17	in	in	ADP
ap-1991	22	18	detecting	detect	VERB
ap-1991	22	19	the	the	DET
ap-1991	22	20	process	process	NOUN
ap-1991	22	21	shown	show	VERB
ap-1991	22	22	in	in	ADP
ap-1991	22	23	fig	fig	NOUN
ap-1991	22	24	.	.	PUNCT
ap-1991	23	1	1	1	NUM
ap-1991	23	2	,	,	PUNCT
ap-1991	23	3	the	the	DET
ap-1991	23	4	double	double	ADJ
ap-1991	23	5	beta	beta	NOUN
ap-1991	23	6	decay	decay	NOUN
ap-1991	23	7	(	(	PUNCT
ap-1991	23	8	dbd	dbd	NOUN
ap-1991	23	9	)	)	PUNCT
ap-1991	23	10	without	without	ADP
ap-1991	23	11	emission	emission	NOUN
ap-1991	23	12	of	of	ADP
ap-1991	23	13	neutrinos	neutrino	NOUN
ap-1991	23	14	.	.	PUNCT
ap-1991	24	1	the	the	DET
ap-1991	24	2	rate	rate	NOUN
ap-1991	24	3	for	for	ADP
ap-1991	24	4	0ν2β	0ν2β	ADJ
ap-1991	24	5	process	process	NOUN
ap-1991	24	6	will	will	AUX
ap-1991	24	7	go	go	VERB
ap-1991	24	8	as	as	ADP
ap-1991	24	9	1	1	NUM
ap-1991	24	10	/	/	SYM
ap-1991	24	11	τ	τ	NOUN
ap-1991	24	12	=	=	PUNCT
ap-1991	24	13	g(q	g(q	NOUN
ap-1991	24	14	,	,	PUNCT
ap-1991	24	15	z)|m2|m2	z)|m2|m2	NOUN
ap-1991	24	16	ββ	ββ	NOUN
ap-1991	24	17	where	where	SCONJ
ap-1991	24	18	g	g	PROPN
ap-1991	24	19	is	be	AUX
ap-1991	24	20	the	the	DET
ap-1991	24	21	easily	easily	ADV
ap-1991	24	22	calculable	calculable	ADJ
ap-1991	24	23	phase	phase	NOUN
ap-1991	24	24	space	space	NOUN
ap-1991	24	25	factor	factor	NOUN
ap-1991	24	26	andm	andm	NOUN
ap-1991	24	27	is	be	AUX
ap-1991	24	28	the	the	DET
ap-1991	24	29	challenging	challenge	VERB
ap-1991	24	30	figure	figure	NOUN
ap-1991	24	31	1	1	NUM
ap-1991	24	32	.	.	PUNCT
ap-1991	24	33	neutrino	neutrino	NOUN
ap-1991	24	34	-	-	PUNCT
ap-1991	24	35	less	less	ADJ
ap-1991	24	36	double	double	ADJ
ap-1991	24	37	beta	beta	NOUN
ap-1991	24	38	decay	decay	NOUN
ap-1991	24	39	process	process	NOUN
ap-1991	24	40	.	.	PUNCT
ap-1991	25	1	nuclear	nuclear	ADJ
ap-1991	25	2	matrix	matrix	NOUN
ap-1991	25	3	element	element	NOUN
ap-1991	25	4	that	that	PRON
ap-1991	25	5	is	be	AUX
ap-1991	25	6	known	know	VERB
ap-1991	25	7	,	,	PUNCT
ap-1991	25	8	ref	ref	NOUN
ap-1991	25	9	.	.	PUNCT
ap-1991	26	1	[	[	X
ap-1991	26	2	3	3	NUM
ap-1991	26	3	]	]	PUNCT
ap-1991	26	4	,	,	PUNCT
ap-1991	26	5	with	with	ADP
ap-1991	26	6	still	still	ADV
ap-1991	26	7	large	large	ADJ
ap-1991	26	8	uncertainties	uncertainty	NOUN
ap-1991	26	9	.	.	PUNCT
ap-1991	27	1	the	the	DET
ap-1991	27	2	effective	effective	ADJ
ap-1991	27	3	neutrino	neutrino	NOUN
ap-1991	27	4	mass	mass	NOUN
ap-1991	27	5	(	(	PUNCT
ap-1991	27	6	mββ	mββ	PROPN
ap-1991	27	7	)	)	PUNCT
ap-1991	27	8	is	be	AUX
ap-1991	27	9	a	a	DET
ap-1991	27	10	combination	combination	NOUN
ap-1991	27	11	of	of	ADP
ap-1991	27	12	neutrino	neutrino	NOUN
ap-1991	27	13	masses	masse	NOUN
ap-1991	27	14	,	,	PUNCT
ap-1991	27	15	mixing	mix	VERB
ap-1991	27	16	angles	angle	NOUN
ap-1991	27	17	and	and	CCONJ
ap-1991	27	18	majorana	majorana	NOUN
ap-1991	27	19	phases	phase	NOUN
ap-1991	27	20	.	.	PUNCT
ap-1991	28	1	the	the	DET
ap-1991	28	2	experimental	experimental	ADJ
ap-1991	28	3	investigation	investigation	NOUN
ap-1991	28	4	of	of	ADP
ap-1991	28	5	this	this	DET
ap-1991	28	6	process	process	NOUN
ap-1991	28	7	definitely	definitely	ADV
ap-1991	28	8	requires	require	VERB
ap-1991	28	9	a	a	DET
ap-1991	28	10	large	large	ADJ
ap-1991	28	11	amount	amount	NOUN
ap-1991	28	12	of	of	ADP
ap-1991	28	13	dbd	dbd	NOUN
ap-1991	28	14	emitter	emitter	NOUN
ap-1991	28	15	,	,	PUNCT
ap-1991	28	16	in	in	ADP
ap-1991	28	17	low	low	ADJ
ap-1991	28	18	-	-	PUNCT
ap-1991	28	19	background	background	NOUN
ap-1991	28	20	detectors	detector	NOUN
ap-1991	28	21	with	with	ADP
ap-1991	28	22	the	the	DET
ap-1991	28	23	capability	capability	NOUN
ap-1991	28	24	of	of	ADP
ap-1991	28	25	selecting	select	VERB
ap-1991	28	26	reliably	reliably	ADV
ap-1991	28	27	the	the	DET
ap-1991	28	28	signal	signal	NOUN
ap-1991	28	29	from	from	ADP
ap-1991	28	30	the	the	DET
ap-1991	28	31	background	background	NOUN
ap-1991	28	32	.	.	PUNCT
ap-1991	29	1	the	the	DET
ap-1991	29	2	sensitivity	sensitivity	NOUN
ap-1991	29	3	of	of	ADP
ap-1991	29	4	an	an	DET
ap-1991	29	5	experiment	experiment	NOUN
ap-1991	29	6	will	will	AUX
ap-1991	29	7	go	go	VERB
ap-1991	29	8	as	as	ADP
ap-1991	29	9	s0ν	s0ν	PROPN
ap-1991	29	10	=	=	X
ap-1991	29	11	a	a	DET
ap-1991	29	12	√	√	NUM
ap-1991	29	13	mt	mt	PROPN
ap-1991	29	14	bδe	bδe	NOUN
ap-1991	29	15	ε	ε	PROPN
ap-1991	29	16	.	.	PROPN
ap-1991	30	1	from	from	ADP
ap-1991	30	2	this	this	DET
ap-1991	30	3	formula	formula	NOUN
ap-1991	30	4	it	it	PRON
ap-1991	30	5	is	be	AUX
ap-1991	30	6	clear	clear	ADJ
ap-1991	30	7	that	that	SCONJ
ap-1991	30	8	isotopic	isotopic	ADJ
ap-1991	30	9	abundance	abundance	NOUN
ap-1991	30	10	(	(	PUNCT
ap-1991	30	11	a	a	NOUN
ap-1991	30	12	)	)	PUNCT
ap-1991	30	13	and	and	CCONJ
ap-1991	30	14	efficiency	efficiency	NOUN
ap-1991	30	15	(	(	PUNCT
ap-1991	30	16	ε	ε	PROPN
ap-1991	30	17	)	)	PUNCT
ap-1991	30	18	will	will	AUX
ap-1991	30	19	end	end	VERB
ap-1991	30	20	up	up	ADP
ap-1991	30	21	in	in	ADP
ap-1991	30	22	a	a	DET
ap-1991	30	23	linear	linear	ADJ
ap-1991	30	24	gain	gain	NOUN
ap-1991	30	25	,	,	PUNCT
ap-1991	30	26	while	while	SCONJ
ap-1991	30	27	mass	mass	NOUN
ap-1991	30	28	(	(	PUNCT
ap-1991	30	29	m	m	NOUN
ap-1991	30	30	)	)	PUNCT
ap-1991	30	31	and	and	CCONJ
ap-1991	30	32	time	time	NOUN
ap-1991	30	33	(	(	PUNCT
ap-1991	30	34	t	t	NOUN
ap-1991	30	35	)	)	PUNCT
ap-1991	30	36	only	only	ADV
ap-1991	30	37	as	as	ADP
ap-1991	30	38	the	the	DET
ap-1991	30	39	square	square	ADJ
ap-1991	30	40	root	root	NOUN
ap-1991	30	41	.	.	PUNCT
ap-1991	31	1	also	also	ADV
ap-1991	31	2	background	background	NOUN
ap-1991	31	3	level	level	NOUN
ap-1991	31	4	(	(	PUNCT
ap-1991	31	5	b	b	NOUN
ap-1991	31	6	)	)	PUNCT
ap-1991	31	7	and	and	CCONJ
ap-1991	31	8	energy	energy	NOUN
ap-1991	31	9	resolution	resolution	NOUN
ap-1991	31	10	(	(	PUNCT
ap-1991	31	11	δe	δe	NOUN
ap-1991	31	12	)	)	PUNCT
ap-1991	31	13	behaves	behave	NOUN
ap-1991	31	14	as	as	ADP
ap-1991	31	15	a	a	DET
ap-1991	31	16	square	square	ADJ
ap-1991	31	17	root	root	NOUN
ap-1991	31	18	.	.	PUNCT
ap-1991	32	1	in	in	ADP
ap-1991	32	2	the	the	DET
ap-1991	32	3	case	case	NOUN
ap-1991	32	4	of	of	ADP
ap-1991	32	5	the	the	DET
ap-1991	32	6	neutrinoless	neutrinoless	ADJ
ap-1991	32	7	decay	decay	NOUN
ap-1991	32	8	searches	search	NOUN
ap-1991	32	9	,	,	PUNCT
ap-1991	32	10	the	the	DET
ap-1991	32	11	detectors	detector	NOUN
ap-1991	32	12	should	should	AUX
ap-1991	32	13	therefore	therefore	ADV
ap-1991	32	14	have	have	VERB
ap-1991	32	15	at	at	ADV
ap-1991	32	16	least	least	ADJ
ap-1991	32	17	very	very	ADV
ap-1991	32	18	sharp	sharp	ADJ
ap-1991	32	19	energy	energy	NOUN
ap-1991	32	20	resolution	resolution	NOUN
ap-1991	32	21	and	and	CCONJ
ap-1991	32	22	possibly	possibly	ADV
ap-1991	32	23	other	other	ADJ
ap-1991	32	24	discriminating	discriminate	VERB
ap-1991	32	25	mechanisms	mechanism	NOUN
ap-1991	32	26	.	.	PUNCT
ap-1991	33	1	the	the	DET
ap-1991	33	2	key	key	NOUN
ap-1991	33	3	however	however	ADV
ap-1991	33	4	is	be	AUX
ap-1991	33	5	in	in	ADP
ap-1991	33	6	the	the	DET
ap-1991	33	7	background	background	NOUN
ap-1991	33	8	index	index	NOUN
ap-1991	33	9	value	value	NOUN
ap-1991	33	10	(	(	PUNCT
ap-1991	33	11	b	b	NOUN
ap-1991	33	12	)	)	PUNCT
ap-1991	33	13	.	.	PUNCT
ap-1991	34	1	790	790	NUM
ap-1991	34	2	http://dx.doi.org/10.14311/ap.2013.53.0790	http://dx.doi.org/10.14311/ap.2013.53.0790	ADP
ap-1991	34	3	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	PROPN
ap-1991	34	4	vol	vol	NOUN
ap-1991	34	5	.	.	PUNCT
ap-1991	35	1	53	53	NUM
ap-1991	35	2	supplement/2013	supplement/2013	ADJ
ap-1991	35	3	neutrinoless	neutrinoless	ADJ
ap-1991	35	4	double	double	ADJ
ap-1991	35	5	beta	beta	NOUN
ap-1991	35	6	decay	decay	NOUN
ap-1991	35	7	:	:	PUNCT
ap-1991	35	8	an	an	DET
ap-1991	35	9	extreme	extreme	ADJ
ap-1991	35	10	challenge	challenge	NOUN
ap-1991	35	11	figure	figure	NOUN
ap-1991	35	12	2	2	NUM
ap-1991	35	13	.	.	PUNCT
ap-1991	35	14	radiative	radiative	ADJ
ap-1991	35	15	nuclear	nuclear	ADJ
ap-1991	35	16	transitions	transition	NOUN
ap-1991	35	17	.	.	PUNCT
ap-1991	36	1	it	it	PRON
ap-1991	36	2	clearly	clearly	ADV
ap-1991	36	3	shows	show	VERB
ap-1991	36	4	(	(	PUNCT
ap-1991	36	5	left	left	ADV
ap-1991	36	6	)	)	PUNCT
ap-1991	36	7	that	that	SCONJ
ap-1991	36	8	above	above	ADP
ap-1991	36	9	the	the	DET
ap-1991	36	10	208tl	208tl	NOUN
ap-1991	36	11	this	this	DET
ap-1991	36	12	contribution	contribution	NOUN
ap-1991	36	13	to	to	ADP
ap-1991	36	14	the	the	DET
ap-1991	36	15	dbd	dbd	NOUN
ap-1991	36	16	background	background	NOUN
ap-1991	36	17	becomes	become	VERB
ap-1991	36	18	negligible	negligible	ADJ
ap-1991	36	19	.	.	PUNCT
ap-1991	37	1	right	right	ADJ
ap-1991	37	2	:	:	PUNCT
ap-1991	38	1	cuoricino	cuoricino	NOUN
ap-1991	38	2	background	background	NOUN
ap-1991	38	3	in	in	ADP
ap-1991	38	4	the	the	DET
ap-1991	38	5	dbd	dbd	NOUN
ap-1991	38	6	region	region	NOUN
ap-1991	38	7	and	and	CCONJ
ap-1991	38	8	above	above	ADV
ap-1991	38	9	.	.	PUNCT
ap-1991	39	1	it	it	PRON
ap-1991	39	2	clearly	clearly	ADV
ap-1991	39	3	shows	show	VERB
ap-1991	39	4	the	the	DET
ap-1991	39	5	dominance	dominance	NOUN
ap-1991	39	6	of	of	ADP
ap-1991	39	7	degraded	degraded	ADJ
ap-1991	39	8	α	α	NOUN
ap-1991	39	9	’s	’s	NOUN
ap-1991	39	10	.	.	PUNCT
ap-1991	40	1	the	the	DET
ap-1991	40	2	two	two	NUM
ap-1991	40	3	components	component	NOUN
ap-1991	40	4	are	be	AUX
ap-1991	40	5	the	the	DET
ap-1991	40	6	natural	natural	ADJ
ap-1991	40	7	radiation	radiation	NOUN
ap-1991	40	8	and	and	CCONJ
ap-1991	40	9	the	the	DET
ap-1991	40	10	degraded	degraded	ADJ
ap-1991	40	11	α	α	NOUN
ap-1991	40	12	’s	’s	NOUN
ap-1991	40	13	.	.	PUNCT
ap-1991	41	1	cuoricino	cuoricino	NOUN
ap-1991	41	2	experiment	experiment	NOUN
ap-1991	41	3	(	(	PUNCT
ap-1991	41	4	in	in	ADP
ap-1991	41	5	ref	ref	NOUN
ap-1991	41	6	.	.	PUNCT
ap-1991	42	1	[	[	X
ap-1991	42	2	4	4	NUM
ap-1991	42	3	]	]	PUNCT
ap-1991	42	4	)	)	PUNCT
ap-1991	42	5	has	have	AUX
ap-1991	42	6	been	be	AUX
ap-1991	42	7	a	a	DET
ap-1991	42	8	clear	clear	ADJ
ap-1991	42	9	cornerstone	cornerstone	NOUN
ap-1991	42	10	for	for	ADP
ap-1991	42	11	identifying	identify	VERB
ap-1991	42	12	the	the	DET
ap-1991	42	13	nature	nature	NOUN
ap-1991	42	14	of	of	ADP
ap-1991	42	15	the	the	DET
ap-1991	42	16	problem	problem	NOUN
ap-1991	42	17	.	.	PUNCT
ap-1991	43	1	3	3	X
ap-1991	43	2	.	.	X
ap-1991	43	3	the	the	DET
ap-1991	43	4	problem	problem	NOUN
ap-1991	43	5	the	the	DET
ap-1991	43	6	challenge	challenge	NOUN
ap-1991	43	7	is	be	AUX
ap-1991	43	8	in	in	ADP
ap-1991	43	9	the	the	DET
ap-1991	43	10	very	very	ADJ
ap-1991	43	11	fact	fact	NOUN
ap-1991	43	12	that	that	SCONJ
ap-1991	43	13	the	the	DET
ap-1991	43	14	sensitivity	sensitivity	NOUN
ap-1991	43	15	of	of	ADP
ap-1991	43	16	this	this	DET
ap-1991	43	17	kind	kind	NOUN
ap-1991	43	18	of	of	ADP
ap-1991	43	19	experiment	experiment	NOUN
ap-1991	43	20	,	,	PUNCT
ap-1991	43	21	as	as	SCONJ
ap-1991	43	22	previously	previously	ADV
ap-1991	43	23	seen	see	VERB
ap-1991	43	24	,	,	PUNCT
ap-1991	43	25	improves	improve	VERB
ap-1991	43	26	only	only	ADV
ap-1991	43	27	with	with	ADP
ap-1991	43	28	the	the	DET
ap-1991	43	29	square	square	ADJ
ap-1991	43	30	root	root	NOUN
ap-1991	43	31	of	of	ADP
ap-1991	43	32	the	the	DET
ap-1991	43	33	selected	select	VERB
ap-1991	43	34	isotope	isotope	NOUN
ap-1991	43	35	mass	mass	NOUN
ap-1991	43	36	,	,	PUNCT
ap-1991	43	37	running	running	NOUN
ap-1991	43	38	time	time	NOUN
ap-1991	43	39	,	,	PUNCT
ap-1991	43	40	decrease	decrease	NOUN
ap-1991	43	41	of	of	ADP
ap-1991	43	42	background	background	NOUN
ap-1991	43	43	index	index	NOUN
ap-1991	43	44	and	and	CCONJ
ap-1991	43	45	improvement	improvement	NOUN
ap-1991	43	46	of	of	ADP
ap-1991	43	47	energy	energy	NOUN
ap-1991	43	48	resolution	resolution	NOUN
ap-1991	43	49	.	.	PUNCT
ap-1991	44	1	not	not	PART
ap-1991	44	2	much	much	ADJ
ap-1991	44	3	choice	choice	NOUN
ap-1991	44	4	is	be	AUX
ap-1991	44	5	left	leave	VERB
ap-1991	44	6	for	for	ADP
ap-1991	44	7	deciding	decide	VERB
ap-1991	44	8	where	where	SCONJ
ap-1991	44	9	to	to	PART
ap-1991	44	10	go	go	VERB
ap-1991	44	11	for	for	ADP
ap-1991	44	12	designing	design	VERB
ap-1991	44	13	a	a	DET
ap-1991	44	14	superior	superior	ADJ
ap-1991	44	15	experiment	experiment	NOUN
ap-1991	44	16	.	.	PUNCT
ap-1991	45	1	once	once	SCONJ
ap-1991	45	2	you	you	PRON
ap-1991	45	3	have	have	AUX
ap-1991	45	4	reached	reach	VERB
ap-1991	45	5	the	the	DET
ap-1991	45	6	practical	practical	ADJ
ap-1991	45	7	limit	limit	NOUN
ap-1991	45	8	(	(	PUNCT
ap-1991	45	9	say	say	VERB
ap-1991	45	10	one	one	NUM
ap-1991	45	11	ton	ton	NOUN
ap-1991	45	12	of	of	ADP
ap-1991	45	13	mass	mass	PROPN
ap-1991	45	14	,	,	PUNCT
ap-1991	45	15	five	five	NUM
ap-1991	45	16	years	year	NOUN
ap-1991	45	17	running	run	VERB
ap-1991	45	18	time	time	NOUN
ap-1991	45	19	and	and	CCONJ
ap-1991	45	20	a	a	DET
ap-1991	45	21	few	few	ADJ
ap-1991	45	22	kev	kev	NOUN
ap-1991	45	23	energy	energy	NOUN
ap-1991	45	24	resolution	resolution	NOUN
ap-1991	45	25	)	)	PUNCT
ap-1991	45	26	there	there	PRON
ap-1991	45	27	is	be	VERB
ap-1991	45	28	nothing	nothing	PRON
ap-1991	45	29	else	else	ADV
ap-1991	45	30	left	leave	VERB
ap-1991	45	31	than	than	SCONJ
ap-1991	45	32	to	to	PART
ap-1991	45	33	work	work	VERB
ap-1991	45	34	hard	hard	ADV
ap-1991	45	35	on	on	ADP
ap-1991	45	36	background	background	NOUN
ap-1991	45	37	reduction	reduction	NOUN
ap-1991	45	38	.	.	PUNCT
ap-1991	46	1	in	in	ADP
ap-1991	46	2	fig	fig	NOUN
ap-1991	46	3	.	.	PUNCT
ap-1991	47	1	2	2	NUM
ap-1991	47	2	the	the	DET
ap-1991	47	3	main	main	ADJ
ap-1991	47	4	problem	problem	NOUN
ap-1991	47	5	with	with	ADP
ap-1991	47	6	background	background	NOUN
ap-1991	47	7	,	,	PUNCT
ap-1991	47	8	at	at	ADP
ap-1991	47	9	least	least	ADJ
ap-1991	47	10	for	for	ADP
ap-1991	47	11	the	the	DET
ap-1991	47	12	calorimetric	calorimetric	ADJ
ap-1991	47	13	experiments	experiment	NOUN
ap-1991	47	14	,	,	PUNCT
ap-1991	47	15	is	be	AUX
ap-1991	47	16	elucidated	elucidate	VERB
ap-1991	47	17	.	.	PUNCT
ap-1991	48	1	4	4	X
ap-1991	48	2	.	.	X
ap-1991	48	3	the	the	DET
ap-1991	48	4	future	future	ADJ
ap-1991	48	5	one	one	NUM
ap-1991	48	6	(	(	PUNCT
ap-1991	48	7	high)way	high)way	NOUN
ap-1991	48	8	open	open	ADJ
ap-1991	48	9	for	for	ADP
ap-1991	48	10	at	at	ADP
ap-1991	48	11	least	least	ADJ
ap-1991	48	12	getting	get	VERB
ap-1991	48	13	to	to	ADP
ap-1991	48	14	the	the	DET
ap-1991	48	15	possibility	possibility	NOUN
ap-1991	48	16	of	of	ADP
ap-1991	48	17	testing	test	VERB
ap-1991	48	18	the	the	DET
ap-1991	48	19	entire	entire	ADJ
ap-1991	48	20	region	region	NOUN
ap-1991	48	21	allowed	allow	VERB
ap-1991	48	22	by	by	ADP
ap-1991	48	23	the	the	DET
ap-1991	48	24	inverted	invert	VERB
ap-1991	48	25	hyerarchy	hyerarchy	NOUN
ap-1991	48	26	case	case	NOUN
ap-1991	48	27	is	be	AUX
ap-1991	48	28	to	to	PART
ap-1991	48	29	combine	combine	VERB
ap-1991	48	30	the	the	DET
ap-1991	48	31	superior	superior	ADJ
ap-1991	48	32	energy	energy	NOUN
ap-1991	48	33	resolution	resolution	NOUN
ap-1991	48	34	of	of	ADP
ap-1991	48	35	the	the	DET
ap-1991	48	36	bolometric	bolometric	ADJ
ap-1991	48	37	technique	technique	NOUN
ap-1991	48	38	,	,	PUNCT
ap-1991	48	39	moreover	moreover	ADV
ap-1991	48	40	applicable	applicable	ADJ
ap-1991	48	41	to	to	ADP
ap-1991	48	42	almost	almost	ADV
ap-1991	48	43	all	all	PRON
ap-1991	48	44	of	of	ADP
ap-1991	48	45	the	the	DET
ap-1991	48	46	isotopes	isotope	NOUN
ap-1991	48	47	suited	suit	VERB
ap-1991	48	48	for	for	ADP
ap-1991	48	49	the	the	DET
ap-1991	48	50	search	search	NOUN
ap-1991	48	51	,	,	PUNCT
ap-1991	48	52	with	with	ADP
ap-1991	48	53	the	the	DET
ap-1991	48	54	information	information	NOUN
ap-1991	48	55	provided	provide	VERB
ap-1991	48	56	by	by	ADP
ap-1991	48	57	scintillation	scintillation	NOUN
ap-1991	48	58	light	light	NOUN
ap-1991	48	59	in	in	ADP
ap-1991	48	60	a	a	DET
ap-1991	48	61	way	way	NOUN
ap-1991	48	62	to	to	PART
ap-1991	48	63	use	use	VERB
ap-1991	48	64	the	the	DET
ap-1991	48	65	different	different	ADJ
ap-1991	48	66	yield	yield	NOUN
ap-1991	48	67	generated	generate	VERB
ap-1991	48	68	by	by	ADP
ap-1991	48	69	α	α	PROPN
ap-1991	48	70	particles	particle	NOUN
ap-1991	48	71	with	with	ADP
ap-1991	48	72	respect	respect	NOUN
ap-1991	48	73	to	to	ADP
ap-1991	48	74	electrons	electron	NOUN
ap-1991	48	75	.	.	PUNCT
ap-1991	49	1	the	the	DET
ap-1991	49	2	best	good	ADJ
ap-1991	49	3	features	feature	NOUN
ap-1991	49	4	of	of	ADP
ap-1991	49	5	bolometric	bolometric	ADJ
ap-1991	49	6	detectors	detector	NOUN
ap-1991	49	7	are	be	AUX
ap-1991	49	8	that	that	SCONJ
ap-1991	49	9	they	they	PRON
ap-1991	49	10	can	can	AUX
ap-1991	49	11	contain	contain	VERB
ap-1991	49	12	the	the	DET
ap-1991	49	13	candidate	candidate	NOUN
ap-1991	49	14	nuclei	nucleus	NOUN
ap-1991	49	15	with	with	ADP
ap-1991	49	16	a	a	DET
ap-1991	49	17	favorable	favorable	ADJ
ap-1991	49	18	mass	mass	NOUN
ap-1991	49	19	ratio	ratio	NOUN
ap-1991	49	20	and	and	CCONJ
ap-1991	49	21	be	be	AUX
ap-1991	49	22	massive	massive	ADJ
ap-1991	49	23	and	and	CCONJ
ap-1991	49	24	they	they	PRON
ap-1991	49	25	exhibit	exhibit	VERB
ap-1991	49	26	spectacular	spectacular	ADJ
ap-1991	49	27	energy	energy	NOUN
ap-1991	49	28	resolution	resolution	NOUN
ap-1991	49	29	.	.	PUNCT
ap-1991	50	1	this	this	DET
ap-1991	50	2	parameter	parameter	NOUN
ap-1991	50	3	is	be	AUX
ap-1991	50	4	crucial	crucial	ADJ
ap-1991	50	5	since	since	SCONJ
ap-1991	50	6	the	the	DET
ap-1991	50	7	signal	signal	NOUN
ap-1991	50	8	is	be	AUX
ap-1991	50	9	a	a	DET
ap-1991	50	10	peak	peak	NOUN
ap-1991	50	11	in	in	ADP
ap-1991	50	12	the	the	DET
ap-1991	50	13	energy	energy	NOUN
ap-1991	50	14	spectrum	spectrum	NOUN
ap-1991	50	15	of	of	ADP
ap-1991	50	16	the	the	DET
ap-1991	50	17	detector	detector	NOUN
ap-1991	50	18	positioned	position	VERB
ap-1991	50	19	exactly	exactly	ADV
ap-1991	50	20	at	at	ADP
ap-1991	50	21	the	the	DET
ap-1991	50	22	q	q	NOUN
ap-1991	50	23	-	-	PUNCT
ap-1991	50	24	value	value	NOUN
ap-1991	50	25	of	of	ADP
ap-1991	50	26	the	the	DET
ap-1991	50	27	reaction	reaction	NOUN
ap-1991	50	28	.	.	PUNCT
ap-1991	51	1	this	this	DET
ap-1991	51	2	peak	peak	NOUN
ap-1991	51	3	must	must	AUX
ap-1991	51	4	be	be	AUX
ap-1991	51	5	discriminated	discriminate	VERB
ap-1991	51	6	over	over	ADP
ap-1991	51	7	the	the	DET
ap-1991	51	8	background	background	NOUN
ap-1991	51	9	and	and	CCONJ
ap-1991	51	10	therefore	therefore	ADV
ap-1991	51	11	the	the	PRON
ap-1991	51	12	narrower	narrow	ADJ
ap-1991	51	13	the	the	DET
ap-1991	51	14	better	well	ADJ
ap-1991	51	15	.	.	PUNCT
ap-1991	52	1	beside	beside	ADV
ap-1991	52	2	,	,	PUNCT
ap-1991	52	3	they	they	PRON
ap-1991	52	4	can	can	AUX
ap-1991	52	5	be	be	AUX
ap-1991	52	6	built	build	VERB
ap-1991	52	7	in	in	ADP
ap-1991	52	8	a	a	DET
ap-1991	52	9	way	way	NOUN
ap-1991	52	10	to	to	PART
ap-1991	52	11	be	be	AUX
ap-1991	52	12	characterized	characterize	VERB
ap-1991	52	13	by	by	ADP
ap-1991	52	14	low	low	ADJ
ap-1991	52	15	intrinsic	intrinsic	ADJ
ap-1991	52	16	background	background	NOUN
ap-1991	52	17	.	.	PUNCT
ap-1991	53	1	scintillating	scintillating	ADJ
ap-1991	53	2	bolometers	bolometer	NOUN
ap-1991	53	3	bring	bring	VERB
ap-1991	53	4	in	in	ADP
ap-1991	53	5	an	an	DET
ap-1991	53	6	enormous	enormous	ADJ
ap-1991	53	7	added	add	VERB
ap-1991	53	8	value	value	NOUN
ap-1991	53	9	by	by	ADP
ap-1991	53	10	providing	provide	VERB
ap-1991	53	11	a	a	DET
ap-1991	53	12	substantial	substantial	ADJ
ap-1991	53	13	α	α	NOUN
ap-1991	53	14	/	/	SYM
ap-1991	53	15	β	β	NOUN
ap-1991	53	16	discrimination	discrimination	NOUN
ap-1991	53	17	power	power	NOUN
ap-1991	53	18	(	(	PUNCT
ap-1991	53	19	by	by	ADP
ap-1991	53	20	difference	difference	NOUN
ap-1991	53	21	of	of	ADP
ap-1991	53	22	quenching	quenching	NOUN
ap-1991	53	23	factor	factor	NOUN
ap-1991	53	24	)	)	PUNCT
ap-1991	53	25	.	.	PUNCT
ap-1991	54	1	further	far	ADV
ap-1991	54	2	there	there	PRON
ap-1991	54	3	is	be	VERB
ap-1991	54	4	some	some	DET
ap-1991	54	5	flexibility	flexibility	NOUN
ap-1991	54	6	in	in	ADP
ap-1991	54	7	the	the	DET
ap-1991	54	8	choice	choice	NOUN
ap-1991	54	9	of	of	ADP
ap-1991	54	10	crystal	crystal	NOUN
ap-1991	54	11	type	type	NOUN
ap-1991	54	12	which	which	PRON
ap-1991	54	13	allows	allow	VERB
ap-1991	54	14	the	the	DET
ap-1991	54	15	use	use	NOUN
ap-1991	54	16	of	of	ADP
ap-1991	54	17	most	most	ADJ
ap-1991	54	18	of	of	ADP
ap-1991	54	19	the	the	DET
ap-1991	54	20	high	high	ADJ
ap-1991	54	21	q	q	ADJ
ap-1991	54	22	-	-	PUNCT
ap-1991	54	23	value	value	NOUN
ap-1991	54	24	candidates	candidate	NOUN
ap-1991	54	25	.	.	PUNCT
ap-1991	55	1	a	a	DET
ap-1991	55	2	first	first	ADJ
ap-1991	55	3	demonstration	demonstration	NOUN
ap-1991	55	4	is	be	AUX
ap-1991	55	5	given	give	VERB
ap-1991	55	6	in	in	ADP
ap-1991	55	7	[	[	X
ap-1991	55	8	5	5	NUM
ap-1991	55	9	]	]	PUNCT
ap-1991	55	10	.	.	PUNCT
ap-1991	56	1	when	when	SCONJ
ap-1991	56	2	the	the	DET
ap-1991	56	3	energy	energy	NOUN
ap-1991	56	4	absorber	absorber	NOUN
ap-1991	56	5	in	in	ADP
ap-1991	56	6	a	a	DET
ap-1991	56	7	bolometer	bolometer	NOUN
ap-1991	56	8	is	be	AUX
ap-1991	56	9	an	an	DET
ap-1991	56	10	efficient	efficient	ADJ
ap-1991	56	11	scintillator	scintillator	NOUN
ap-1991	56	12	at	at	ADP
ap-1991	56	13	low	low	ADJ
ap-1991	56	14	temperatures	temperature	NOUN
ap-1991	56	15	,	,	PUNCT
ap-1991	56	16	a	a	DET
ap-1991	56	17	small	small	ADJ
ap-1991	56	18	but	but	CCONJ
ap-1991	56	19	significant	significant	ADJ
ap-1991	56	20	fraction	fraction	NOUN
ap-1991	56	21	of	of	ADP
ap-1991	56	22	the	the	DET
ap-1991	56	23	deposited	deposit	VERB
ap-1991	56	24	energy	energy	NOUN
ap-1991	56	25	(	(	PUNCT
ap-1991	56	26	up	up	ADP
ap-1991	56	27	to	to	ADP
ap-1991	56	28	a	a	DET
ap-1991	56	29	few	few	ADJ
ap-1991	56	30	percent	percent	NOUN
ap-1991	56	31	)	)	PUNCT
ap-1991	56	32	is	be	AUX
ap-1991	56	33	converted	convert	VERB
ap-1991	56	34	into	into	ADP
ap-1991	56	35	scintillation	scintillation	NOUN
ap-1991	56	36	photons	photon	NOUN
ap-1991	56	37	,	,	PUNCT
ap-1991	56	38	while	while	SCONJ
ap-1991	56	39	the	the	DET
ap-1991	56	40	remaining	remain	VERB
ap-1991	56	41	dominant	dominant	ADJ
ap-1991	56	42	part	part	NOUN
ap-1991	56	43	is	be	AUX
ap-1991	56	44	detected	detect	VERB
ap-1991	56	45	as	as	ADP
ap-1991	56	46	usual	usual	ADJ
ap-1991	56	47	in	in	ADP
ap-1991	56	48	the	the	DET
ap-1991	56	49	form	form	NOUN
ap-1991	56	50	of	of	ADP
ap-1991	56	51	heat	heat	NOUN
ap-1991	56	52	.	.	PUNCT
ap-1991	57	1	the	the	DET
ap-1991	57	2	simultaneous	simultaneous	ADJ
ap-1991	57	3	detection	detection	NOUN
ap-1991	57	4	of	of	ADP
ap-1991	57	5	the	the	DET
ap-1991	57	6	scintillation	scintillation	NOUN
ap-1991	57	7	light	light	NOUN
ap-1991	57	8	is	be	AUX
ap-1991	57	9	a	a	DET
ap-1991	57	10	very	very	ADV
ap-1991	57	11	powerful	powerful	ADJ
ap-1991	57	12	tool	tool	NOUN
ap-1991	57	13	to	to	PART
ap-1991	57	14	identify	identify	VERB
ap-1991	57	15	the	the	DET
ap-1991	57	16	nature	nature	NOUN
ap-1991	57	17	of	of	ADP
ap-1991	57	18	the	the	DET
ap-1991	57	19	interacting	interact	VERB
ap-1991	57	20	particle	particle	NOUN
ap-1991	57	21	.	.	PUNCT
ap-1991	58	1	the	the	DET
ap-1991	58	2	principle	principle	NOUN
ap-1991	58	3	of	of	ADP
ap-1991	58	4	operation	operation	NOUN
ap-1991	58	5	of	of	ADP
ap-1991	58	6	a	a	DET
ap-1991	58	7	scintillating	scintillating	ADJ
ap-1991	58	8	bolometer	bolometer	NOUN
ap-1991	58	9	is	be	AUX
ap-1991	58	10	shown	show	VERB
ap-1991	58	11	in	in	ADP
ap-1991	58	12	fig	fig	NOUN
ap-1991	58	13	.	.	PUNCT
ap-1991	59	1	3	3	X
ap-1991	59	2	.	.	X
ap-1991	59	3	the	the	DET
ap-1991	59	4	most	most	ADV
ap-1991	59	5	suited	suited	ADJ
ap-1991	59	6	scintillating	scintillating	ADJ
ap-1991	59	7	crystals	crystal	NOUN
ap-1991	59	8	are	be	AUX
ap-1991	59	9	based	base	VERB
ap-1991	59	10	on	on	ADP
ap-1991	59	11	cd	cd	PROPN
ap-1991	59	12	,	,	PUNCT
ap-1991	59	13	mo	mo	PROPN
ap-1991	59	14	and	and	CCONJ
ap-1991	59	15	se	se	X
ap-1991	59	16	with	with	ADP
ap-1991	59	17	the	the	DET
ap-1991	59	18	serious	serious	ADJ
ap-1991	59	19	drawback	drawback	NOUN
ap-1991	59	20	of	of	ADP
ap-1991	59	21	the	the	DET
ap-1991	59	22	need	need	NOUN
ap-1991	59	23	for	for	ADP
ap-1991	59	24	an	an	DET
ap-1991	59	25	isotopic	isotopic	ADJ
ap-1991	59	26	enrichment	enrichment	NOUN
ap-1991	59	27	that	that	PRON
ap-1991	59	28	brings	bring	VERB
ap-1991	59	29	their	their	PRON
ap-1991	59	30	natural	natural	ADJ
ap-1991	59	31	abundances	abundance	NOUN
ap-1991	59	32	(	(	PUNCT
ap-1991	59	33	less	less	ADJ
ap-1991	59	34	than	than	ADP
ap-1991	59	35	10	10	NUM
ap-1991	59	36	%	%	NOUN
ap-1991	59	37	)	)	PUNCT
ap-1991	59	38	to	to	ADP
ap-1991	59	39	a	a	DET
ap-1991	59	40	much	much	ADV
ap-1991	59	41	higher	high	ADJ
ap-1991	59	42	value	value	NOUN
ap-1991	59	43	.	.	PUNCT
ap-1991	60	1	a	a	DET
ap-1991	60	2	lot	lot	NOUN
ap-1991	60	3	of	of	ADP
ap-1991	60	4	pro	pro	ADJ
ap-1991	60	5	and	and	CCONJ
ap-1991	60	6	cons	con	NOUN
ap-1991	60	7	have	have	AUX
ap-1991	60	8	been	be	AUX
ap-1991	60	9	evaluated	evaluate	VERB
ap-1991	60	10	for	for	ADP
ap-1991	60	11	the	the	DET
ap-1991	60	12	three	three	NUM
ap-1991	60	13	materials	material	NOUN
ap-1991	60	14	,	,	PUNCT
ap-1991	60	15	without	without	ADP
ap-1991	60	16	going	go	VERB
ap-1991	60	17	into	into	ADP
ap-1991	60	18	details	detail	NOUN
ap-1991	60	19	we	we	PRON
ap-1991	60	20	say	say	VERB
ap-1991	60	21	that	that	SCONJ
ap-1991	60	22	the	the	DET
ap-1991	60	23	final	final	ADJ
ap-1991	60	24	decision	decision	NOUN
ap-1991	60	25	has	have	AUX
ap-1991	60	26	favoured	favour	VERB
ap-1991	60	27	se	se	ADV
ap-1991	60	28	in	in	ADP
ap-1991	60	29	form	form	NOUN
ap-1991	60	30	of	of	ADP
ap-1991	60	31	znse	znse	NOUN
ap-1991	60	32	crystals	crystal	NOUN
ap-1991	60	33	.	.	PUNCT
ap-1991	61	1	one	one	NUM
ap-1991	61	2	of	of	ADP
ap-1991	61	3	the	the	DET
ap-1991	61	4	most	most	ADV
ap-1991	61	5	striking	striking	ADJ
ap-1991	61	6	features	feature	NOUN
ap-1991	61	7	of	of	ADP
ap-1991	61	8	znse	znse	NOUN
ap-1991	61	9	is	be	AUX
ap-1991	61	10	the	the	DET
ap-1991	61	11	abnormal	abnormal	ADJ
ap-1991	61	12	qf	qf	PROPN
ap-1991	61	13	,	,	PUNCT
ap-1991	61	14	higher	high	ADJ
ap-1991	61	15	than	than	ADP
ap-1991	61	16	1	1	NUM
ap-1991	61	17	unlike	unlike	ADP
ap-1991	61	18	all	all	DET
ap-1991	61	19	the	the	DET
ap-1991	61	20	other	other	ADJ
ap-1991	61	21	studied	study	VERB
ap-1991	61	22	compounds	compound	NOUN
ap-1991	61	23	.	.	PUNCT
ap-1991	62	1	although	although	SCONJ
ap-1991	62	2	not	not	PART
ap-1991	62	3	really	really	ADV
ap-1991	62	4	welcome	welcome	ADJ
ap-1991	62	5	,	,	PUNCT
ap-1991	62	6	this	this	DET
ap-1991	62	7	unexpected	unexpected	ADJ
ap-1991	62	8	property	property	NOUN
ap-1991	62	9	does	do	AUX
ap-1991	62	10	not	not	PART
ap-1991	62	11	degrade	degrade	VERB
ap-1991	62	12	substantially	substantially	ADV
ap-1991	62	13	the	the	DET
ap-1991	62	14	discrimination	discrimination	NOUN
ap-1991	62	15	power	power	NOUN
ap-1991	62	16	(	(	PUNCT
ap-1991	62	17	see	see	VERB
ap-1991	62	18	in	in	ADP
ap-1991	62	19	[	[	X
ap-1991	62	20	6	6	NUM
ap-1991	62	21	]	]	PUNCT
ap-1991	62	22	)	)	PUNCT
ap-1991	62	23	of	of	ADP
ap-1991	62	24	this	this	DET
ap-1991	62	25	material	material	NOUN
ap-1991	62	26	compared	compare	VERB
ap-1991	62	27	to	to	ADP
ap-1991	62	28	the	the	DET
ap-1991	62	29	others	other	NOUN
ap-1991	62	30	and	and	CCONJ
ap-1991	62	31	makes	make	VERB
ap-1991	62	32	it	it	PRON
ap-1991	62	33	compatible	compatible	ADJ
ap-1991	62	34	with	with	ADP
ap-1991	62	35	the	the	DET
ap-1991	62	36	requirement	requirement	NOUN
ap-1991	62	37	of	of	ADP
ap-1991	62	38	a	a	DET
ap-1991	62	39	high	high	ADJ
ap-1991	62	40	sensitivity	sensitivity	NOUN
ap-1991	62	41	experiment	experiment	NOUN
ap-1991	62	42	.	.	PUNCT
ap-1991	63	1	an	an	DET
ap-1991	63	2	additional	additional	ADJ
ap-1991	63	3	very	very	ADV
ap-1991	63	4	useful	useful	ADJ
ap-1991	63	5	feature	feature	NOUN
ap-1991	63	6	is	be	AUX
ap-1991	63	7	the	the	DET
ap-1991	63	8	possibility	possibility	NOUN
ap-1991	63	9	to	to	PART
ap-1991	63	10	perform	perform	VERB
ap-1991	63	11	α	α	NUM
ap-1991	63	12	/	/	SYM
ap-1991	63	13	β	β	NOUN
ap-1991	63	14	discrimination	discrimination	NOUN
ap-1991	63	15	on	on	ADP
ap-1991	63	16	the	the	DET
ap-1991	63	17	basis	basis	NOUN
ap-1991	63	18	of	of	ADP
ap-1991	63	19	the	the	DET
ap-1991	63	20	temporal	temporal	ADJ
ap-1991	63	21	structure	structure	NOUN
ap-1991	63	22	of	of	ADP
ap-1991	63	23	the	the	DET
ap-1991	63	24	signals	signal	NOUN
ap-1991	63	25	,	,	PUNCT
ap-1991	63	26	both	both	CCONJ
ap-1991	63	27	in	in	ADP
ap-1991	63	28	the	the	DET
ap-1991	63	29	heat	heat	NOUN
ap-1991	63	30	and	and	CCONJ
ap-1991	63	31	light	light	ADJ
ap-1991	63	32	channel	channel	NOUN
ap-1991	63	33	as	as	SCONJ
ap-1991	63	34	seen	see	VERB
ap-1991	63	35	in	in	ADP
ap-1991	63	36	fig	fig	NOUN
ap-1991	63	37	.	.	PUNCT
ap-1991	64	1	[	[	X
ap-1991	64	2	4	4	NUM
ap-1991	64	3	]	]	PUNCT
ap-1991	64	4	.	.	PUNCT
ap-1991	65	1	the	the	DET
ap-1991	65	2	detector	detector	NOUN
ap-1991	65	3	configuration	configuration	NOUN
ap-1991	65	4	proposed	propose	VERB
ap-1991	65	5	for	for	ADP
ap-1991	65	6	lucifer	lucifer	PROPN
ap-1991	65	7	[	[	X
ap-1991	65	8	7	7	NUM
ap-1991	65	9	]	]	PUNCT
ap-1991	65	10	resembles	resemble	VERB
ap-1991	65	11	closely	closely	ADV
ap-1991	65	12	the	the	DET
ap-1991	65	13	one	one	NOUN
ap-1991	65	14	selected	select	VERB
ap-1991	65	15	and	and	CCONJ
ap-1991	65	16	extensively	extensively	ADV
ap-1991	65	17	tested	test	VERB
ap-1991	65	18	for	for	ADP
ap-1991	65	19	cuore	cuore	NOUN
ap-1991	65	20	[	[	X
ap-1991	65	21	8	8	NUM
ap-1991	65	22	]	]	PUNCT
ap-1991	65	23	with	with	ADP
ap-1991	65	24	an	an	DET
ap-1991	65	25	additional	additional	ADJ
ap-1991	65	26	light	light	NOUN
ap-1991	65	27	detector	detector	NOUN
ap-1991	65	28	,	,	PUNCT
ap-1991	65	29	designed	design	VERB
ap-1991	65	30	according	accord	VERB
ap-1991	65	31	to	to	ADP
ap-1991	65	32	the	the	DET
ap-1991	65	33	recipes	recipe	NOUN
ap-1991	65	34	developed	develop	VERB
ap-1991	65	35	during	during	ADP
ap-1991	65	36	the	the	DET
ap-1991	65	37	scintillating	scintillating	ADJ
ap-1991	65	38	-	-	PUNCT
ap-1991	65	39	bolometer	bolometer	NOUN
ap-1991	65	40	r&d	r&d	NOUN
ap-1991	65	41	and	and	CCONJ
ap-1991	65	42	consisting	consist	VERB
ap-1991	65	43	of	of	ADP
ap-1991	65	44	an	an	DET
ap-1991	65	45	auxiliary	auxiliary	ADJ
ap-1991	65	46	bolometer	bolometer	VERB
ap-1991	65	47	,	,	PUNCT
ap-1991	65	48	opaque	opaque	VERB
ap-1991	65	49	to	to	ADP
ap-1991	65	50	the	the	DET
ap-1991	65	51	light	light	NOUN
ap-1991	65	52	emitted	emit	VERB
ap-1991	65	53	by	by	ADP
ap-1991	65	54	the	the	DET
ap-1991	65	55	znse	znse	NOUN
ap-1991	65	56	crystals	crystal	NOUN
ap-1991	65	57	.	.	PUNCT
ap-1991	66	1	in	in	ADP
ap-1991	66	2	tab	tab	NOUN
ap-1991	66	3	.	.	PUNCT
ap-1991	67	1	1	1	NUM
ap-1991	67	2	we	we	PRON
ap-1991	67	3	give	give	VERB
ap-1991	67	4	a	a	DET
ap-1991	67	5	rough	rough	ADJ
ap-1991	67	6	indication	indication	NOUN
ap-1991	67	7	of	of	ADP
ap-1991	67	8	a	a	DET
ap-1991	67	9	merit	merit	NOUN
ap-1991	67	10	factor	factor	NOUN
ap-1991	67	11	of	of	ADP
ap-1991	67	12	experiments	experiment	NOUN
ap-1991	67	13	ongoing	ongoing	ADJ
ap-1991	67	14	(	(	PUNCT
ap-1991	67	15	gerda	gerda	NOUN
ap-1991	67	16	[	[	X
ap-1991	67	17	9	9	NUM
ap-1991	67	18	]	]	PUNCT
ap-1991	67	19	)	)	PUNCT
ap-1991	67	20	and	and	CCONJ
ap-1991	67	21	exo	exo	NOUN
ap-1991	68	1	[	[	X
ap-1991	68	2	10	10	NUM
ap-1991	68	3	]	]	PUNCT
ap-1991	68	4	and	and	CCONJ
ap-1991	68	5	in	in	ADP
ap-1991	68	6	preparation	preparation	NOUN
ap-1991	68	7	(	(	PUNCT
ap-1991	68	8	cuore	cuore	NOUN
ap-1991	68	9	and	and	CCONJ
ap-1991	68	10	lucifer	lucifer	PROPN
ap-1991	68	11	)	)	PUNCT
ap-1991	68	12	.	.	PUNCT
ap-1991	69	1	the	the	DET
ap-1991	69	2	merit	merit	NOUN
ap-1991	69	3	refers	refer	VERB
ap-1991	69	4	only	only	ADV
ap-1991	69	5	to	to	ADP
ap-1991	69	6	the	the	DET
ap-1991	69	7	capability	capability	NOUN
ap-1991	69	8	(	(	PUNCT
ap-1991	69	9	real	real	ADJ
ap-1991	69	10	or	or	CCONJ
ap-1991	69	11	claimed	claim	VERB
ap-1991	69	12	)	)	PUNCT
ap-1991	69	13	of	of	ADP
ap-1991	69	14	background	background	NOUN
ap-1991	69	15	discrimination	discrimination	NOUN
ap-1991	69	16	through	through	ADP
ap-1991	69	17	energy	energy	NOUN
ap-1991	69	18	resolution	resolution	NOUN
ap-1991	69	19	and	and	CCONJ
ap-1991	69	20	background	background	NOUN
ap-1991	69	21	791	791	NUM
ap-1991	69	22	fernando	fernando	NOUN
ap-1991	69	23	ferroni	ferroni	PROPN
ap-1991	69	24	acta	acta	PROPN
ap-1991	69	25	polytechnica	polytechnica	PROPN
ap-1991	69	26	figure	figure	NOUN
ap-1991	69	27	3	3	NUM
ap-1991	69	28	.	.	PUNCT
ap-1991	69	29	schematic	schematic	ADJ
ap-1991	69	30	structure	structure	NOUN
ap-1991	69	31	of	of	ADP
ap-1991	69	32	a	a	DET
ap-1991	69	33	double	double	ADJ
ap-1991	69	34	read	read	NOUN
ap-1991	69	35	-	-	PUNCT
ap-1991	69	36	out	out	ADP
ap-1991	69	37	scintillating	scintillate	VERB
ap-1991	69	38	bolometer	bolomet	ADJ
ap-1991	69	39	.	.	PUNCT
ap-1991	70	1	right	right	ADJ
ap-1991	70	2	:	:	PUNCT
ap-1991	70	3	schematic	schematic	ADJ
ap-1991	70	4	scatter	scatter	NOUN
ap-1991	70	5	plots	plot	NOUN
ap-1991	70	6	of	of	ADP
ap-1991	70	7	light	light	ADJ
ap-1991	70	8	signals	signal	NOUN
ap-1991	70	9	vs.	vs.	ADP
ap-1991	70	10	heat	heat	NOUN
ap-1991	70	11	signals	signal	NOUN
ap-1991	70	12	corresponding	correspond	VERB
ap-1991	70	13	to	to	ADP
ap-1991	70	14	events	event	NOUN
ap-1991	70	15	occurring	occur	VERB
ap-1991	70	16	in	in	ADP
ap-1991	70	17	the	the	DET
ap-1991	70	18	scintillating	scintillating	ADJ
ap-1991	70	19	bolometer	bolometer	NOUN
ap-1991	70	20	.	.	PUNCT
ap-1991	71	1	in	in	ADP
ap-1991	71	2	both	both	DET
ap-1991	71	3	circumstances	circumstance	NOUN
ap-1991	71	4	(	(	PUNCT
ap-1991	71	5	positive	positive	ADJ
ap-1991	71	6	/	/	SYM
ap-1991	71	7	negative	negative	ADJ
ap-1991	71	8	qf	qf	PROPN
ap-1991	71	9	)	)	PUNCT
ap-1991	71	10	α	α	PROPN
ap-1991	71	11	induced	induce	VERB
ap-1991	71	12	events	event	NOUN
ap-1991	71	13	can	can	AUX
ap-1991	71	14	be	be	AUX
ap-1991	71	15	efficiently	efficiently	ADV
ap-1991	71	16	rejected	reject	VERB
ap-1991	71	17	.	.	PUNCT
ap-1991	72	1	figure	figure	NOUN
ap-1991	72	2	4	4	NUM
ap-1991	72	3	.	.	PUNCT
ap-1991	72	4	results	result	NOUN
ap-1991	72	5	from	from	ADP
ap-1991	72	6	a	a	DET
ap-1991	72	7	run	run	NOUN
ap-1991	72	8	on	on	ADP
ap-1991	72	9	a	a	DET
ap-1991	72	10	znse	znse	NOUN
ap-1991	72	11	crystal	crystal	NOUN
ap-1991	72	12	with	with	ADP
ap-1991	72	13	double	double	ADJ
ap-1991	72	14	(	(	PUNCT
ap-1991	72	15	heat	heat	NOUN
ap-1991	72	16	and	and	CCONJ
ap-1991	72	17	light	light	ADJ
ap-1991	72	18	)	)	PUNCT
ap-1991	72	19	readout	readout	NOUN
ap-1991	72	20	exposed	expose	VERB
ap-1991	72	21	to	to	ADP
ap-1991	72	22	radiactive	radiactive	ADJ
ap-1991	72	23	sources	source	NOUN
ap-1991	72	24	.	.	PUNCT
ap-1991	73	1	left	leave	VERB
ap-1991	73	2	:	:	PUNCT
ap-1991	73	3	scatter	scatter	NOUN
ap-1991	73	4	plot	plot	NOUN
ap-1991	73	5	light	light	NOUN
ap-1991	73	6	vs.	vs.	ADP
ap-1991	73	7	heat	heat	NOUN
ap-1991	73	8	.	.	PUNCT
ap-1991	74	1	right	right	ADJ
ap-1991	74	2	:	:	PUNCT
ap-1991	75	1	decay	decay	VERB
ap-1991	75	2	time	time	NOUN
ap-1991	75	3	of	of	ADP
ap-1991	75	4	the	the	DET
ap-1991	75	5	scintillation	scintillation	NOUN
ap-1991	75	6	light	light	NOUN
ap-1991	75	7	from	from	ADP
ap-1991	75	8	α	α	NOUN
ap-1991	75	9	and	and	CCONJ
ap-1991	75	10	electrons	electron	NOUN
ap-1991	75	11	208tl	208tl	ADJ
ap-1991	75	12	line	line	NOUN
ap-1991	75	13	.	.	PUNCT
ap-1991	76	1	exp	exp	NOUN
ap-1991	76	2	δe	δe	PROPN
ap-1991	76	3	b	b	PROPN
ap-1991	76	4	bδe	bδe	NOUN
ap-1991	76	5	kev	kev	VERB
ap-1991	76	6	count/(kevkg	count/(kevkg	PROPN
ap-1991	76	7	y	y	PROPN
ap-1991	76	8	)	)	PUNCT
ap-1991	76	9	count/(ton	count/(ton	PROPN
ap-1991	76	10	y	y	PROPN
ap-1991	76	11	)	)	PUNCT
ap-1991	76	12	gerda	gerda	NOUN
ap-1991	76	13	4.5	4.5	NUM
ap-1991	76	14	0.02	0.02	NUM
ap-1991	76	15	90	90	NUM
ap-1991	76	16	exo	exo	NOUN
ap-1991	76	17	80	80	NUM
ap-1991	76	18	0.0015	0.0015	NUM
ap-1991	76	19	120	120	NUM
ap-1991	76	20	cuore	cuore	NOUN
ap-1991	76	21	5	5	NUM
ap-1991	76	22	0.02	0.02	NUM
ap-1991	76	23	100	100	NUM
ap-1991	76	24	lucifer	lucifer	NOUN
ap-1991	76	25	10	10	NUM
ap-1991	76	26	0.001	0.001	NUM
ap-1991	76	27	10	10	NUM
ap-1991	76	28	table	table	NOUN
ap-1991	76	29	1	1	NUM
ap-1991	76	30	.	.	PUNCT
ap-1991	77	1	merit	merit	NOUN
ap-1991	77	2	factors	factor	NOUN
ap-1991	77	3	due	due	ADJ
ap-1991	77	4	to	to	ADP
ap-1991	77	5	background	background	NOUN
ap-1991	77	6	rejection	rejection	NOUN
ap-1991	77	7	for	for	ADP
ap-1991	77	8	some	some	DET
ap-1991	77	9	experiment	experiment	NOUN
ap-1991	77	10	running	run	VERB
ap-1991	77	11	or	or	CCONJ
ap-1991	77	12	in	in	ADP
ap-1991	77	13	preparation	preparation	NOUN
ap-1991	77	14	.	.	PUNCT
ap-1991	78	1	rejection	rejection	NOUN
ap-1991	78	2	.	.	PUNCT
ap-1991	79	1	a	a	DET
ap-1991	79	2	realistic	realistic	ADJ
ap-1991	79	3	projection	projection	NOUN
ap-1991	79	4	shall	shall	NOUN
ap-1991	79	5	of	of	ADP
ap-1991	79	6	course	course	NOUN
ap-1991	79	7	include	include	VERB
ap-1991	79	8	nuclear	nuclear	ADJ
ap-1991	79	9	matrix	matrix	NOUN
ap-1991	79	10	elements	element	NOUN
ap-1991	79	11	,	,	PUNCT
ap-1991	79	12	tonnage	tonnage	NOUN
ap-1991	79	13	and	and	CCONJ
ap-1991	79	14	,	,	PUNCT
ap-1991	79	15	helas	hela	NOUN
ap-1991	79	16	,	,	PUNCT
ap-1991	79	17	cost	cost	NOUN
ap-1991	79	18	.	.	PUNCT
ap-1991	80	1	5	5	X
ap-1991	80	2	.	.	X
ap-1991	80	3	conclusions	conclusion	NOUN
ap-1991	80	4	the	the	DET
ap-1991	80	5	search	search	NOUN
ap-1991	80	6	for	for	ADP
ap-1991	80	7	understanding	understand	VERB
ap-1991	80	8	the	the	DET
ap-1991	80	9	nature	nature	NOUN
ap-1991	80	10	of	of	ADP
ap-1991	80	11	neutrino	neutrino	NOUN
ap-1991	80	12	mass	mass	NOUN
ap-1991	80	13	is	be	AUX
ap-1991	80	14	undergoing	undergo	VERB
ap-1991	80	15	.	.	PUNCT
ap-1991	81	1	experiments	experiment	NOUN
ap-1991	81	2	of	of	ADP
ap-1991	81	3	the	the	DET
ap-1991	81	4	actual	actual	ADJ
ap-1991	81	5	generation	generation	NOUN
ap-1991	81	6	are	be	AUX
ap-1991	81	7	unable	unable	ADJ
ap-1991	81	8	to	to	PART
ap-1991	81	9	explore	explore	VERB
ap-1991	81	10	the	the	DET
ap-1991	81	11	entire	entire	ADJ
ap-1991	81	12	region	region	NOUN
ap-1991	81	13	allowed	allow	VERB
ap-1991	81	14	by	by	ADP
ap-1991	81	15	the	the	DET
ap-1991	81	16	inverted	invert	VERB
ap-1991	81	17	mass	mass	PROPN
ap-1991	81	18	hierarchy	hierarchy	NOUN
ap-1991	81	19	hypothesis	hypothesis	NOUN
ap-1991	81	20	.	.	PUNCT
ap-1991	82	1	one	one	NUM
ap-1991	82	2	of	of	ADP
ap-1991	82	3	the	the	DET
ap-1991	82	4	possible	possible	ADJ
ap-1991	82	5	breakthrough	breakthrough	NOUN
ap-1991	82	6	for	for	ADP
ap-1991	82	7	a	a	DET
ap-1991	82	8	future	future	ADJ
ap-1991	82	9	generation	generation	NOUN
ap-1991	82	10	experiment	experiment	NOUN
ap-1991	82	11	is	be	AUX
ap-1991	82	12	the	the	DET
ap-1991	82	13	use	use	NOUN
ap-1991	82	14	of	of	ADP
ap-1991	82	15	scintillating	scintillating	ADJ
ap-1991	82	16	crystals	crystal	NOUN
ap-1991	82	17	bolometrically	bolometrically	ADV
ap-1991	82	18	exploited	exploit	VERB
ap-1991	82	19	.	.	PUNCT
ap-1991	83	1	a	a	DET
ap-1991	83	2	conclusive	conclusive	ADJ
ap-1991	83	3	demonstration	demonstration	NOUN
ap-1991	83	4	of	of	ADP
ap-1991	83	5	the	the	DET
ap-1991	83	6	validity	validity	NOUN
ap-1991	83	7	of	of	ADP
ap-1991	83	8	this	this	DET
ap-1991	83	9	approach	approach	NOUN
ap-1991	83	10	is	be	AUX
ap-1991	83	11	still	still	ADV
ap-1991	83	12	missing	miss	VERB
ap-1991	83	13	.	.	PUNCT
ap-1991	84	1	lucifer	lucifer	PROPN
ap-1991	84	2	experiment	experiment	NOUN
ap-1991	84	3	will	will	AUX
ap-1991	84	4	be	be	AUX
ap-1991	84	5	a	a	DET
ap-1991	84	6	cornerstone	cornerstone	NOUN
ap-1991	84	7	in	in	ADP
ap-1991	84	8	this	this	DET
ap-1991	84	9	respect	respect	NOUN
ap-1991	84	10	.	.	PUNCT
ap-1991	85	1	acknowledgements	acknowledgement	NOUN
ap-1991	85	2	the	the	DET
ap-1991	85	3	project	project	NOUN
ap-1991	85	4	lucifer	lucifer	NOUN
ap-1991	85	5	has	have	AUX
ap-1991	85	6	received	receive	VERB
ap-1991	85	7	funding	funding	NOUN
ap-1991	85	8	from	from	ADP
ap-1991	85	9	the	the	DET
ap-1991	85	10	european	european	PROPN
ap-1991	85	11	research	research	PROPN
ap-1991	85	12	council	council	PROPN
ap-1991	85	13	under	under	ADP
ap-1991	85	14	the	the	DET
ap-1991	85	15	european	european	PROPN
ap-1991	85	16	union	union	PROPN
ap-1991	85	17	’s	’s	PART
ap-1991	85	18	seventh	seventh	ADJ
ap-1991	85	19	framework	framework	NOUN
ap-1991	85	20	programme	programme	NOUN
ap-1991	85	21	(	(	PUNCT
ap-1991	85	22	fp7/2007–2013)/erc	fp7/2007–2013)/erc	PROPN
ap-1991	85	23	grant	grant	NOUN
ap-1991	85	24	agreement	agreement	NOUN
ap-1991	85	25	n.	n.	PROPN
ap-1991	85	26	247115	247115	NUM
ap-1991	85	27	.	.	PUNCT
ap-1991	86	1	references	reference	NOUN
ap-1991	86	2	[	[	X
ap-1991	86	3	1	1	NUM
ap-1991	86	4	]	]	X
ap-1991	86	5	majorana	majorana	PROPN
ap-1991	86	6	,	,	PUNCT
ap-1991	86	7	e	e	NOUN
ap-1991	86	8	:	:	PUNCT
ap-1991	86	9	1937	1937	NUM
ap-1991	86	10	,	,	PUNCT
ap-1991	86	11	il	il	PROPN
ap-1991	86	12	nuovo	nuovo	PROPN
ap-1991	86	13	cimento	cimento	PROPN
ap-1991	86	14	14	14	NUM
ap-1991	86	15	,	,	PUNCT
ap-1991	86	16	171	171	NUM
ap-1991	87	1	[	[	X
ap-1991	87	2	2	2	NUM
ap-1991	87	3	]	]	PUNCT
ap-1991	87	4	avignone	avignone	VERB
ap-1991	87	5	,	,	PUNCT
ap-1991	87	6	f.t	f.t	PROPN
ap-1991	87	7	.	.	PROPN
ap-1991	87	8	,	,	PUNCT
ap-1991	87	9	elliot	elliot	PROPN
ap-1991	87	10	,	,	PUNCT
ap-1991	87	11	r.	r.	PROPN
ap-1991	87	12	s.	s.	PROPN
ap-1991	87	13	,	,	PUNCT
ap-1991	87	14	engel	engel	PROPN
ap-1991	87	15	,	,	PUNCT
ap-1991	87	16	j.	j.	PROPN
ap-1991	87	17	:	:	PUNCT
ap-1991	87	18	2008	2008	NUM
ap-1991	87	19	,	,	PUNCT
ap-1991	87	20	rev	rev	PROPN
ap-1991	87	21	.	.	PROPN
ap-1991	88	1	mod	mod	PROPN
ap-1991	88	2	.	.	PUNCT
ap-1991	89	1	phys	phy	NOUN
ap-1991	89	2	.	.	PUNCT
ap-1991	89	3	,	,	PUNCT
ap-1991	89	4	80	80	NUM
ap-1991	89	5	,	,	PUNCT
ap-1991	89	6	481	481	NUM
ap-1991	90	1	[	[	X
ap-1991	90	2	3	3	NUM
ap-1991	90	3	]	]	X
ap-1991	90	4	simkovic	simkovic	NOUN
ap-1991	90	5	.	.	PUNCT
ap-1991	91	1	f.	f.	PROPN
ap-1991	91	2	,	,	PUNCT
ap-1991	91	3	et	et	PROPN
ap-1991	91	4	al	al	PROPN
ap-1991	91	5	.	.	PROPN
ap-1991	91	6	:	:	PUNCT
ap-1991	91	7	2009	2009	NUM
ap-1991	91	8	,	,	PUNCT
ap-1991	91	9	phys	phy	NOUN
ap-1991	91	10	.	.	PUNCT
ap-1991	92	1	rev	rev	PROPN
ap-1991	92	2	.	.	PROPN
ap-1991	93	1	c	c	X
ap-1991	93	2	,	,	PUNCT
ap-1991	93	3	79	79	NUM
ap-1991	93	4	,	,	PUNCT
ap-1991	93	5	055501	055501	NUM
ap-1991	94	1	[	[	X
ap-1991	94	2	4	4	NUM
ap-1991	94	3	]	]	X
ap-1991	94	4	arnaboldi	arnaboldi	ADJ
ap-1991	94	5	,	,	PUNCT
ap-1991	94	6	c.	c.	PROPN
ap-1991	94	7	,	,	PUNCT
ap-1991	94	8	et	et	PROPN
ap-1991	94	9	al	al	PROPN
ap-1991	94	10	.	.	PROPN
ap-1991	94	11	:	:	PUNCT
ap-1991	94	12	2008	2008	NUM
ap-1991	94	13	,	,	PUNCT
ap-1991	94	14	phys	phy	NOUN
ap-1991	94	15	.	.	PUNCT
ap-1991	95	1	rev	rev	PROPN
ap-1991	95	2	.	.	PUNCT
ap-1991	96	1	c	c	PROPN
ap-1991	96	2	78	78	NUM
ap-1991	96	3	,	,	PUNCT
ap-1991	96	4	035502	035502	NUM
ap-1991	97	1	[	[	X
ap-1991	97	2	5	5	NUM
ap-1991	97	3	]	]	PUNCT
ap-1991	97	4	alessandrello	alessandrello	PROPN
ap-1991	97	5	,	,	PUNCT
ap-1991	97	6	a.	a.	PROPN
ap-1991	97	7	et	et	PROPN
ap-1991	97	8	al	al	PROPN
ap-1991	97	9	.	.	PROPN
ap-1991	97	10	,	,	PUNCT
ap-1991	97	11	:	:	PUNCT
ap-1991	97	12	1998	1998	NUM
ap-1991	97	13	,	,	PUNCT
ap-1991	97	14	phys	phy	NOUN
ap-1991	97	15	.	.	PUNCT
ap-1991	98	1	lett	lett	PROPN
ap-1991	98	2	.	.	PUNCT
ap-1991	99	1	b	b	PROPN
ap-1991	99	2	420	420	NUM
ap-1991	99	3	,	,	PUNCT
ap-1991	99	4	109	109	NUM
ap-1991	99	5	[	[	SYM
ap-1991	99	6	6	6	NUM
ap-1991	99	7	]	]	X
ap-1991	99	8	arnaboldi	arnaboldi	NOUN
ap-1991	99	9	,	,	PUNCT
ap-1991	99	10	c.	c.	PROPN
ap-1991	99	11	et	et	PROPN
ap-1991	99	12	al	al	PROPN
ap-1991	99	13	.	.	PROPN
ap-1991	99	14	:	:	PUNCT
ap-1991	100	1	2011	2011	NUM
ap-1991	100	2	,	,	PUNCT
ap-1991	100	3	astropart.phys	astropart.phy	NOUN
ap-1991	100	4	.	.	NOUN
ap-1991	100	5	34	34	NUM
ap-1991	100	6	,	,	PUNCT
ap-1991	100	7	344	344	NUM
ap-1991	100	8	[	[	X
ap-1991	100	9	7	7	NUM
ap-1991	100	10	]	]	X
ap-1991	100	11	ferroni	ferroni	NOUN
ap-1991	100	12	,	,	PUNCT
ap-1991	100	13	f.	f.	PROPN
ap-1991	100	14	:	:	PUNCT
ap-1991	100	15	2010	2010	NUM
ap-1991	100	16	,	,	PUNCT
ap-1991	100	17	nuovo	nuovo	PROPN
ap-1991	100	18	.	.	PUNCT
ap-1991	100	19	cim	cim	PROPN
ap-1991	100	20	.	.	PUNCT
ap-1991	101	1	c033n5	c033n5	PROPN
ap-1991	101	2	,	,	PUNCT
ap-1991	101	3	27	27	NUM
ap-1991	101	4	[	[	SYM
ap-1991	101	5	8	8	NUM
ap-1991	101	6	]	]	SYM
ap-1991	101	7	ardito	ardito	X
ap-1991	101	8	,	,	PUNCT
ap-1991	101	9	r.	r.	PROPN
ap-1991	101	10	et	et	PROPN
ap-1991	101	11	al	al	PROPN
ap-1991	101	12	.	.	PROPN
ap-1991	101	13	:	:	PUNCT
ap-1991	102	1	2011	2011	NUM
ap-1991	102	2	,	,	PUNCT
ap-1991	102	3	hep	hep	NOUN
ap-1991	102	4	-	-	NOUN
ap-1991	102	5	ex/0501010	ex/0501010	NOUN
ap-1991	102	6	[	[	X
ap-1991	102	7	9	9	NUM
ap-1991	102	8	]	]	PUNCT
ap-1991	102	9	schonert	schonert	NOUN
ap-1991	102	10	,	,	PUNCT
ap-1991	102	11	s.	s.	PROPN
ap-1991	102	12	et	et	PROPN
ap-1991	102	13	al	al	PROPN
ap-1991	102	14	.	.	PROPN
ap-1991	102	15	:	:	PUNCT
ap-1991	102	16	2005	2005	NUM
ap-1991	102	17	,	,	PUNCT
ap-1991	102	18	nucl.phys	nucl.phys	PROPN
ap-1991	102	19	b145	b145	PROPN
ap-1991	102	20	,	,	PUNCT
ap-1991	102	21	242	242	NUM
ap-1991	102	22	[	[	SYM
ap-1991	102	23	10	10	NUM
ap-1991	102	24	]	]	X
ap-1991	102	25	ackerman	ackerman	NOUN
ap-1991	102	26	,	,	PUNCT
ap-1991	102	27	n.	n.	PROPN
ap-1991	102	28	et	et	PROPN
ap-1991	102	29	al	al	PROPN
ap-1991	102	30	.	.	PROPN
ap-1991	102	31	:	:	PUNCT
ap-1991	102	32	2011	2011	NUM
ap-1991	102	33	,	,	PUNCT
ap-1991	102	34	phys	phy	NOUN
ap-1991	102	35	.	.	PUNCT
ap-1991	103	1	rev	rev	PROPN
ap-1991	103	2	.	.	PROPN
ap-1991	103	3	lett	lett	PROPN
ap-1991	103	4	.	.	PUNCT
ap-1991	104	1	107	107	NUM
ap-1991	104	2	,	,	PUNCT
ap-1991	104	3	212501	212501	NUM
ap-1991	104	4	792	792	NUM
ap-1991	104	5	acta	acta	PROPN
ap-1991	104	6	polytechnica	polytechnica	PROPN
ap-1991	104	7	53(supplement):790–792	53(supplement):790–792	NOUN
ap-1991	104	8	,	,	PUNCT
ap-1991	104	9	2013	2013	NUM
ap-1991	104	10	1	1	NUM
ap-1991	104	11	introduction	introduction	NOUN
ap-1991	104	12	2	2	NUM
ap-1991	104	13	the	the	DET
ap-1991	104	14	physics	physics	NOUN
ap-1991	104	15	3	3	NUM
ap-1991	104	16	the	the	DET
ap-1991	104	17	problem	problem	NOUN
ap-1991	104	18	4	4	NUM
ap-1991	104	19	the	the	DET
ap-1991	104	20	future	future	ADJ
ap-1991	104	21	5	5	NUM
ap-1991	104	22	conclusions	conclusion	NOUN
ap-1991	104	23	acknowledgements	acknowledgement	NOUN
ap-1991	104	24	references	reference	NOUN