超越 $^{54}$Ca 壳层结构的初窥：$^{55}$K、$^{55}$Ca 与 $^{57}$Ca 的谱学
核实验
2022-03-14 v1
摘要
在RIBF上，通过从 Sc 与 Ca 束流直接诱发质子诱导的核子敲除反应， populate 了 与 37 同位素 Ca 的能级。此外，还研究了从 Ca 出发的 准自由单质子敲除反应。通过束内 射线谱学，首次确立了 K、Ca 与 Ca 中的激发态。对于从 Ca 到 K 与 Ca 中能级的质子与中子敲除反应，其能级能量、激发态寿命与排他截面的结果，与使用不同方法的最先进理论计算吻合良好。在 Ca 中观测到一个短寿命态，表明钙同位素链在 处由单粒子主导的态向 处的集体激发发生了转变。
引用
@article{arxiv.2202.03050,
title = {A First Glimpse at the Shell Structure beyond $^{54}$Ca: Spectroscopy of $^{55}$K, $^{55}$Ca, and $^{57}$Ca},
author = {T. Koiwai and K. Wimmer and P. Doornenbal and A. Obertelli and C. Barbieri and T. Duguet and J. D. Holt and T. Miyagi and P. Navrátil and K. Ogata and N. Shimizu and V. Somà and Y. Utsuno and K. Yoshida and N. L. Achouri and H. Baba and F. Browne and D. Calvet f and F. Château and S. Chen and N. Chiga and A. Corsi and M. L. Cortés 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 W. Rodriguez and H. Sakurai and M. Sasano and D. Steppenbeck and L. Stuhl and Y. L. Sun and Y. Togano and T. Uesaka and K. Yoneda and O. Aktas and T. Aumann and L. X. Chung and F. Flavigny and S. Franchoo and I. Gasparic and R. -B. Gerst and J. Gibelin and K. I. Hahn and D. Kim 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:2202.03050},
year = {2022}
}
备注
accepted Phys. Lett. B