Ratio of S factors for (p,γ) reactions on 12C and 13C at astrophysically relevant energies -: art. no. 065804

被引：13

作者：

Nesaraja, CD

Brune, CR

Crowley, BT

Kelley, JH

Nelson, SO

Prior, RM

Sabourov, K

Tilley, DR

Tonchev, A

Weller, HR

机构：

[1] Triangle Univ Nucl Lab, Durham, NC 27708 USA

[2] N Carolina State Univ, Raleigh, NC 27695 USA

[3] Univ N Carolina, Chapel Hill, NC 27599 USA

[4] N Georgia Coll & State Univ, Dahlonega, GA 30597 USA

来源：

PHYSICAL REVIEW C | 2001年 / 64卷 / 06期

关键词：

D O I：

10.1103/PhysRevC.64.065804

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We present measurements of the C-12(p,gamma (0)) N-13/C-13(p,gamma (0)) N-14 S factor ratio at E-p = 160 keV. The overall result of 0.33 +/-0.03 is in good agreement with the value of this ratio obtained from previous experimental values of the S factors for the C-12(p,gamma (0)) N-13 and the C-13(p,gamma (0)) 14N reactions. A value for the total S factor ratio of S[C-12(p,gamma (total))]/S[C-13(p,gamma (total))]=0.24 +/-0.03 is computed by correcting the C-13(p,gamma (0)) S factor for transitions to the other intermediate states. The direct + resonance model calculation of this ratio and the impact on the CNO cycle are also explored.

引用

页数：7

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