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Total cross section of the 3H(p,n)3He reaction from threshold to 4.5 MeV

Title
Total cross section of the 3H(p,n)3He reaction from threshold to 4.5 MeV
Authors
Brune C.R.Hahn K.I.Kavanagh R.W.Wrean P.R.
Ewha Authors
한인식
SCOPUS Author ID
한인식scopus
Issue Date
1999
Journal Title
Physical Review C - Nuclear Physics
ISSN
0556-2813JCR Link
Citation
vol. 60, no. 1, pp. 158011 - 158018
Indexed
SCI; SCIE; SCOPUS scopus
Abstract
We report new measurements of the total cross section for the 3H(p,n)3He reaction from threshold (Ep = 1.02 MeV) to Ep, = 4.5 MeV. The experiment utilized specially prepared Ti-3H targets, and neutrons were detected using a 4 π detector. A weak resonant structure due to an excited state in 4He is observed which was not seen in previous cross section measurements. A new expression for the 3He(n,p)3H thermonuclear reaction rate for temperatures below 10 GK is presented which will allow for more accurate calculations of the yields of light elements produced by big-bang nucleosynthesis.
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사범대학 > 과학교육과 > Journal papers
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