钙以下 N=32 壳层闭包：50Ar 的低能结构
核实验
2021-01-04 v1
摘要
在RIKEN放射性同位素束工厂通过质子与中子敲出、多核子移除以及质子非弹性散射后的束内γ射线谱学，研究了N=32同位素50Ar中的低能激发态。此前报道的两个跃迁的能量已得到确认，并首次给出了五个附加态，包括一个3^-态的候选者。利用γγ符合建立的能级图与sd-pf模型空间中的壳模型计算以及基于手性两体和三体核子相互作用的从头算预测进行了比较。理论的质子与中子敲出截面表明，两个新跃迁对应于2^+态，而先前提出的4^+态也可能对应于2^+态。
引用
@article{arxiv.2011.10786,
title = {$\boldsymbol{N=32}$ shell closure below calcium: Low-lying structure of $^{50}$Ar},
author = {M. L. Cortés and W. Rodriguez and P. Doornenbal and A. Obertelli and J. D. Holt and J. Menéndez and K. Ogata and A. Schwenk and N. Shimizu and J. Simonis and Y. Utsuno and K. Yoshida and L. Achouri and H. Baba and F. Browne and D. Calvet and F. Château and S. Chen and N. Chiga and A. Corsi and A. Delbart and J-M. Gheller and A. Giganon and A. Gillibert and C. Hilaire and T. Isobe and T. Kobayashi and Y. Kubota and V. Lapoux and H. N. Liu and T. Motobayashi and I. Murray and H. Otsu and V. Panin and N. Paul and H. Sakurai and M. Sasano and D. Steppenbeck and L. Stuhl and Y. L. Sun and Y. Togano and T. Uesaka and K. Wimmer and K. Yoneda and O. Aktas and T. Aumann and L. X. Chung and F. Flavigny and S. Franchoo and I. Gašparić and R. -B. Gerst and J. Gibelin and K. I. Hahn and D. Kim and T. Koiwai and Y. Kondo and P. Koseoglou and J. Lee and C. Lehr and B. D. Linh and T. Lokotko and M. MacCormick and K. Moschner and T. Nakamura and S. Y. Park and D. Rossi and E. Sahin and P. -A. Söderström and D. Sohler and S. Takeuchi and H. Toernqvist and V. Vaquero and V. Wagner and S. Wang and V. Werner and X. Xu and H. Yamada and D. Yan and Z. Yang and M. Yasuda and L. Zanetti},
journal= {arXiv preprint arXiv:2011.10786},
year = {2021}
}
备注
Accepted for Phys. Rev. C