质子非束缚核$^{21}$Al的观测与谱学
核实验
2024-10-04 v1
摘要
我们报告了先前未知同位素Al的观测结果，这是第一个位于质子滴线外的非束缚铝同位素。Al核通过单质子（1p）发射衰变，我们通过微条硅探测器追踪所有衰变产物的轨迹来检测其飞行中衰变。通过分析衰变产物Mg+p的测量角关联，研究了1p发射过程。确定了Al基态和低激发态的1p衰变能量、其质量过剩和质子分离能= MeV。
引用
@article{arxiv.2406.04771,
title = {Observation and spectroscopy of proton-unbound nucleus $^{21}$Al},
author = {D. Kostyleva and X. -D. Xu and I. Mukha and L. Acosta and M. Bajzek and E. Casarejos and A. A. Ciemny and D. Cortina-Gil and W. Dominik and J. A. Dueñas and J. M. Espino and A. Estradé and F. Farinon and A. Fomichev and H. Geissel and J. Gómez-Camacho and A. Gorshkov and L. V. Grigorenko and Z. Janas and G. Kamiński and O. Kiselev and R. Knöbel and A. A. Korsheninnikov and S. Krupko and M. Kuich and N. Kurz and Yu. A. Litvinov and G. Marquinez-Durán and I. Martel and C. Mazzocchi and E. Yu. Nikolskii and C. Nociforo and A. K. Ordúz and M. Pfützner and S. Pietri and M. Pomorski and A. Prochazka and C. Rodríguez-Tajes and S. Rymzhanova and A. M. Sánchez-Benítez and C. Scheidenberger and H. Simon and B. Sitar and R. Slepnev and M. Stanoiu and P. Strmen and K. Sümmerer and I. Szarka and M. Takechi and Y. K. Tanaka and H. Weick and J. S. Winfield and P. J. Woods and M. V. Zhukov},
journal= {arXiv preprint arXiv:2406.04771},
year = {2024}
}
备注
6 pages, 7 figures