EXPLOSIVE HYDROGEN BURNING OF CL-35

被引：19
作者：
ILIADIS, C
GORRES, J
ROSS, JG
SCHELLER, KW
WIESCHER, M
AZUMA, RE
ROTERS, G
TRAUTVETTER, HP
EVANS, HC
机构：
[1] UNIV NOTRE DAME,NOTRE DAME,IN 46556
[2] QUEENS UNIV,KINGSTON K7L 3N6,ONTARIO,CANADA
[3] UNIV TORONTO,MCLENNAN PHYS LABS,TORONTO M5S 1A7,ONTARIO,CANADA
[4] RUHR UNIV BOCHUM,INST PHYS IONENSTRAHLEN,W-4630 BOCHUM 1,GERMANY
来源：
NUCLEAR PHYSICS A | 1994年 / 571卷 / 01期
基金：
加拿大自然科学与工程研究理事会; 美国国家科学基金会;
关键词：
CL-35; (HE-3; D); E = 15 MEV; MEASURED SIGMA(THETA); SIGMA(E(D)); S-32(LI-6; E = 32 MEV; MEASURED SIGMA(E(D)); S-32(ALPHA; GAMMA); E-APPROXIMATE-TO-RESONANCE; MEASURED E-GAMMA; I-GAMMA; CL-35(P; E-APPROXIMATE-TO-200-800-KEV; MEASURED GAMMA-YIELD VS E; X); E = 177 KEV; MEASURED PARTICLE SPECTRA; DEDUCED NO EVIDENCE FOR (P; GAMMA-0); REACTION; AR-36 DEDUCED LEVELS; J; PI; L; SPECTROSCOPIC FACTORS;
D O I：
10.1016/0375-9474(94)90345-X
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：
Proton threshold states in Ar-36 have been studied via the reactions Cl-35(He-3, d)Ar-36, S-32(Li-6, d)Ar-36, S-32(alpha, gamma)Ar-36, Cl-35(p, gamma)Ar-36 and Cl-35(p, alpha)S-32 to investigate their influence on a possible SCl reaction cycle in explosive hydrogen burning. Three new states in Ar-36 have been observed in the (He-3, d) reaction at E(x) = 8806, 8887 and 8923 keV. Deuteron angular distributions were measured for 14 states near the Cl-35 + p threshold and were analyzed with DWBA calculations. Values of transferred orbital angular momenta, spectroscopic factors and proton partial widths were determined.: Gamma-ray spectra have been measured at ten (p, gamma) resonances. Three new resonances were observed at E(R) = 311, 416 and 627 keV, corresponding to Ar-36 states at E(x) = 8806, 8909 and 9117 keV, respectively. Excitation and resonance energies, gamma-ray branching ratios and resonance strengths are presented. The astrophysical implications of our results for explosive hydrogen burning of Cl-35 are discussed.
引用
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页码：132 / 158
页数：27
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