$^{15}$F 中的垒上窄共振
核实验
2016-05-25 v1
摘要
利用强流且提纯的后加速 O 放射性束流研究了未束缚 F 核中的低能态。通过采用厚靶的逆运动学共振弹性散射，首次高精度测量了第二激发态——位于 E=4.757(6)(10)~MeV、宽度 =36(5)(14)~keV 的共振。使用以 C 核心和三个价质子在耦合通道表示下的 Gamow 壳模型，研究了这个位于质子滴线外两个中子的核中的窄垒上态结构。发现它是 壳层中两个准束缚质子的几乎纯波函数。
引用
@article{arxiv.1603.00436,
title = {An above-barrier narrow resonance in $^{15}$F},
author = {F. De Grancey and A. Mercenne and F. de Oliveira Santos and T. Davinson and O. Sorlin and J. C. Angélique and M. Assié and E. Berthoumieux and R. Borcea and A. Buta and I. Celikovic and V. Chudoba and J. M. Daugas and G. Dumitru and M. Fadil and S. Grévy and J. Kiener and A. Lefebvre-Schuhl and N. Michel and J. Mrazek and F. Negoita and J. Okolowicz and D. Pantelica and M. G. Pellegriti and L. Perrot and M. Ploszajczak and G. Randisi and I. Ray and O. Roig and F. Rotaru and M. G. Saint Laurent and N. Smirnova and M. Stanoiu and I. Stefan and C. Stodel and K. Subotic and V. Tatischeff and J. C. Thomas and P. Ujic and R. Wolski},
journal= {arXiv preprint arXiv:1603.00436},
year = {2016}
}
备注
8 pages, 2 figures, 1 table, Submitted to Phys. Lett. B