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首页> 外文期刊>Nuclear Physics, A: Journal Devoted to the Experimental Study of the Fundamental Constituents of Matter and Their Actions >Alpha-decay branching ratios of near-threshold states in Ne-19 and the astrophysical rate of O-15(alpha,gamma)Ne-19
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Alpha-decay branching ratios of near-threshold states in Ne-19 and the astrophysical rate of O-15(alpha,gamma)Ne-19

机译:Ne-19中近阈态的α衰变分支比和O-15(α,γ)Ne-19的天体物理速率

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摘要

The O-15(alpha,gamma)Ne-19 reaction is one of two routes for breakout from the hot CNO cycles into the rp process in accreting neutron stars. Its astrophysical rate depends critically on the decay properties of excited states in Ne-19 lying just above the O-15 + alpha threshold. We have measured the alpha-decay branching ratios for these states using the p(Ne-21,t)Ne-19 reaction at 43 MeV/u. [References: 8]
机译:O-15(α,γ)Ne-19反应是吸收中子星从热CNO循环进入rp过程的两种途径之一。它的天文学速率主要取决于恰好高于O-15 +α阈值的Ne-19中激发态的衰减特性。我们已经以43 MeV / u的p(Ne-21,t)Ne-19反应测量了这些状态的α-衰变分支比。 [参考:8]

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