期刊
PHYSICAL REVIEW C
卷 83, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.83.052802
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资金
- National Science Foundation [Phys-0758100]
- Joint Institute for Nuclear Astrophysics [Phys-0822648]
- Direct For Mathematical & Physical Scien
- Division Of Physics [0918728] Funding Source: National Science Foundation
The reaction O-17(alpha, gamma)Ne-21 has been measured by in-beam gamma spectroscopy for the first time in the energy range E-alpha = 750-1650 keV using highly enriched anodized Ta-2(O-17)(5) targets. Resonances were found at E-alpha = 1002, 1386, and 1619 keV. Their strengths and primary gamma-ray branchings are given. The new results exclude the low reaction rate of Descouvemont and support the rate of Caughlan and Fowler. Implications for the neutron poisoning efficiency of O-16 in the weak s-process are discussed.
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