id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
iajs-421	Taki, Ali K.; Majeed, Raad H.; Jassim, Mustafa K.	Improved 𝑫−𝑯𝒆 𝟑 Fusion Reaction Characteristics Parameters	2017	11	.pdf	application/pdf	4185	168	63	In the Bernstein – Comisar formalism, one can introduce the dummy variable 𝐸 by use of a Dirac Delta distribution, so that 𝑹 = 𝒏𝑫 𝒏𝑯𝒆 ∭𝒇(𝒗��⃗ 𝑫)𝑭(𝒗��⃗ 𝑯𝒆) 𝒈 𝒅𝝈𝒊 𝒅𝜴 𝜹�𝑬 − 𝑬𝒑�𝒅𝜴𝒅𝒗��⃗ 𝑫𝒅𝒗��⃗ 𝑯𝒆 𝒅𝑬 (2) 133 | Physics @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ÚÓ‘Ój�n€a@Î@Úœäñ€a@‚Ï‹»‹€@·rÓ:a@Âig@Ú‹©@Ü‹1a26@@ÖÜ»€a@I3@‚b«@H2013 Ibn Al-Haitham Jour. In conclusion the cross section is often written as 𝝈(𝝐) = 𝑺(𝝐) 𝝐 𝒆𝒙𝒑�−� 𝝐 𝝐𝑮 𝟐 � (13) Where the function 𝑆(𝜖) is called the astrophysical 𝑆 factor, which for many important reactions is a weakly varying function of the energy [9].	cache/iajs-421.pdf	txt/iajs-421.txt