不稳定 $^{63}$Ni 的中子俘获截面：对恒星核合成的启示
核实验
2013-04-12 v1 太阳与恒星天体物理
摘要
首次在 CERN 的中子飞行时间设施 n_TOF 上测量了从热中子能量到 200 keV 的 Ni() 截面。总共确定了 12 个（新）共振的俘获核。计算了从 kT = 5 keV 到 100 keV 热能量的麦克斯韦平均截面，不确定度约为 20%。针对 25 M 恒星的恒星模型计算表明，新数据对大质量恒星中 Cu、Ni 和 Zn 的 -过程产生有显著影响，从而能够对随后超新星中爆炸核合成产生的 Cu 产量施加更强的约束。
引用
@article{arxiv.1304.3310,
title = {Neutron capture cross section of unstable 63Ni: implications for stellar nucleosynthesis},
author = {C. Lederer and C. Massimi and S. Altstadt and J. Andrzejewski and L. Audouin and M. Barbagallo and V. Bécares and F. Bevá and F. Belloni and E. Berthoumieux and J. Billowes and V. Boccone and D. Bosnar and M. Brugger and M. Calviani and F. Calviño and D. Cano-Ott and C. Carrapiço and F. Cerutti and E. Chiaveri and M. Chin and N. Colonna and G. Cortés and M. A. Cortés-Giraldo and M. Diakaki and C. Domingo-Pardo and I. Duran and R. Dressler and N. Dzysiuk and C. Eleftheriadis and A. Ferrari and K. Fraval and S. Ganesan and A. R. García and G. Giubrone and M. B. Gómez-Hornillos and I. F. Gonçalves and E. González-Romero and E. Griesmayer and C. Guerrero and F. Gunsing and P. Gurusamy and D. G. Jenkins and E. Jericha and Y. Kadi and F. Käppeler and D. Karadimos and N. Kivel and P. Koehler and M. Kokkoris and G. Korschinek and M. Krtika and J. Kroll and C. Langer and H. Leeb and L. S. Leong and R. Losito and A. Manousos and J. Marganiec and T. Martínez and P. F. Mastinu and M. Mastromarco and M. Meaze and E. Mendoza and A. Mengoni and P. M. Milazzo and F. Mingrone and M. Mirea and W. Mondelaers and C. Paradela and A. Pavlik and J. Perkowski and M. Pignatari and A. Plompen and J. Praena and J. M. Quesada and T. Rauscher and R. Reifarth and A. Riego and F. Roman and C. Rubbia and R. Sarmento and P. Schillebeeckx and S. Schmidt and D. Schumann and G. Tagliente and J. L. Tain and D. Tarrío and L. Tassan-Got and A. Tsinganis and S. Valenta and G. Vannini and V. Variale and P. Vaz and A. Ventura and R. Versaci and M. J. Vermeulen and V. Vlachoudis and R. Vlastou and A. Wallner and T. Ware and M. Weigand and C. Weiß and T. J. Wright and P. Zugec},
journal= {arXiv preprint arXiv:1304.3310},
year = {2013}
}