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arXiv 2001.03600nucl-exastro-ph.HE
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α粒子与C,Mg,Si,Fe反应中的Gamma-ray发射

Gamma-ray emission in alpha-particle reactions with C, Mg, Si, Fe

J. Kiener, J. Bundesmann, I. Deloncle, A. Denker, V. Tatischeff, A. Gostojic, C. Hamadache, J. Röhrich, H. Benhabiles, I. Bougaoub, A. Coc, F. Hammache, J. Peyré

摘要:

在柏林Helmholtz-Zentrum质子治疗中心,测量了α粒子与C,Mg,Si,Fe反应产生的最强γ射线发射线的截面,能量范围为E_α = 50 - 90 MeV。确定了60多条不同的伽马射线线的数据,特别是为天体物理学目的进行截面汇编/评价的射线线,以及在较低抛射体能量下存在数据的射线线。的数据进行了比较与预测的现代核反应代码和横截面曲线的最新评估在加速粒子相互作用的伽马射线线发射太阳耀斑。

英文摘要:

Cross sections for the strongest gamma-ray emission lines produced in alpha-particle reactions with C, Mg, Si, Fe have been measured in the range E_alpha = 50 - 90 MeV at the center for proton therapy at the Helmholtz-Zentrum Berlin. Data for more than 60 different gamma-ray lines were determined, with particular efforts for lines that are in cross section compilations/evaluations with astrophysical purpose, and where data exist at lower projectile energies. The data are compared with predictions of a modern nuclear reaction code and cross-section curves of the latest evaluation for gamma-ray line emission in accelerated-particle interactions in solar flares.

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