钙同位素中的压缩模共振及对核不可压缩性不对称项的启示
核实验
2019-12-24 v2
摘要
近期关于钙同位素 Ca 中同位旋标量巨单极共振 (ISGMR) 的数据表明，核不可压缩性中的不对称项 具有正值。 的值与当前理论框架完全不相容，并且如果正确，将对我们理解无数核与天体物理现象产生深远影响。本文给出了利用 Ca() 反应在 MeV 下进行的独立 ISGMR 测量结果。这些结果最终排除了 取正值的可能性，并与先前获得的该量值一致。
关键词
引用
@article{arxiv.1911.05267,
title = {Compression-mode resonances in the calcium isotopes and implications for the asymmetry term in nuclear incompressibility},
author = {Kevin B. Howard and Umesh Garg and Masatoshi Itoh and Hidetoshi Akimune and Soumya Bagchi and Takanobu Doi and Yuki Fujikawa and Mamoru Fujiwara and Tatsuya Furuno and Muhsin N. Harakeh and Yuto Hijikata and Kento Inaba and Shunya Ishida and Nasser Kalantar-Nayestanaki and Takahiro Kawabata and Shoutaro Kawashima and Kazuya Kitamura and Nobuyuki Kobayashi and Yohei Matsuda and Anna Nakagawa and Shoken Nakamura and Kyoko Nosaka and Shintaro Okamoto and Shinsuke Ota and Sierra Weyhmiller and Zaihong Yang},
journal= {arXiv preprint arXiv:1911.05267},
year = {2019}
}
备注
7 pages, 4 figures, 2 tables. Accepted for publication to Physics Letters B. Minor revisions of some wording relative to original submission