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The Be7(p,gamma)B8 cross section and the properties of Be7 | A. Csoto
; K. Langanke
; S.E. Koonin
; T.D. Shoppa
; | Date: |
2 Aug 1994 | Journal: | Phys.Rev. C52 (1995) 1130-1133 | Subject: | nucl-th | Abstract: | We study the nonresonant part of the $^7$Be($p,gamma$)$^8$B reaction using a three-cluster resonating group model that is variationally converged and virtually complete in the $^4$He+$^3$He+$p$ model space. The importance of using adequate nucleon-nucleon interaction is demonstrated. We find that the low-energy astrophysical $S$-factor is linearly correlated with the quadrupole moment of $^7$Be. A range of parameters is found where the most important $^7$Be and $^7$Li properties are reproduced simultaneously; the corresponding $S$-factor at $E_{
m cm}=20$ keV is $24.6-26.1$ eV$cdot$b. | Source: | arXiv, nucl-th/9408001 | Services: | Forum | Review | PDF | Favorites |
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