利用单中子转移探测 N=28 跨壳异构相互作用：以 47K 为例
核实验
2025-04-28 v2
摘要
我们报告了对 K()K 转移反应的首次测量，该反应在逆向动力学中进行，使用再加热的 K 束。 K 的能级结构得到显著扩展，确认了九个新的束态并推导出光谱因子。与 SDPF-U 和 SDPF-MU 壳模型计算结果的详细比较揭示了若干与实验结果不符之处，SDPF-MU 被倾向为更佳选项。值得注意的是，光谱因子似乎系统性地被高估，且对 1 能态的能量再现较差，这表明 K 中 与 质子构型之间的混合在当前相互作用作用下并未得到正确描述，这对描述质轻 N=28 核种类提出了挑战。
引用
@article{arxiv.2409.12594,
title = {Probing exotic cross-shell interactions at N=28 with single-neutron transfer on 47K},
author = {C. J. Paxman and A. Matta and W. N. Catford and G. Lotay and M. Assié and E. Clément and A. Lemasson and D. Ramos and N. A. Orr and F. Galtarossa and V. Girard-Alcindor and J. Dudouet and N. L. Achouri and D. Ackermann and D. Barrientos and D. Beaumel and P. Bednarczyk and G. Benzoni and A. Bracco and L. Canete and B. Cederwall and M. Ciemala and P. Delahaye and D. T. Doherty and C. Domingo-Pardo and B. Fernández-Domínguez and D. Fernández and F. Flavigny and C. Fougères and G. de France and S. Franchoo and A. Gadea and J. Gibelin and V. González and A. Gottardo and N. Goyal and F. Hammache and L. J. Harkness-Brennan and D. S. Harrouz and B. Jacquot and D. S. Judson and A. Jungclaus and A. Kaşkaş and W. Korten and M. Labiche and L. Lalanne and C. Lenain and S. Leoni and J. Ljungvall and J. Lois-Fuentes and T. Lokotko and A. Lopez-Martens and A. Maj and F. M. Marqués and I. Martel and R. Menegazzo and D. Mengoni and B. Million and J. Nyberg and R. M. Pérez-Vidal and L. Plagnol and Zs. Podolyák and A. Pullia and B. Quintana and D. Regueira-Castro and P. Reiter and M. Rejmund and K. Rezynkina and E. Sanchis and M. Şenyiğit and N. de Séréville and M. Siciliano and D. Sohler and O. Stezowski and J. -C. Thomas and A. Utepov and J. J. Valiente-Dobón and D. Verney and M. Zielińska},
journal= {arXiv preprint arXiv:2409.12594},
year = {2025}
}
备注
7 pages, 3 figures, 1 table