核心+4n 原子核中的强中子配对
核实验
2018-04-18 v1
摘要
通过从 N 与 O 次级束进行高能核子敲出，研究了富中子 同中子异位素 C 与 O 的中子对发射，布居了这两种同中子异位素在其双中子发射阈值之上高达 15~MeV 的未束缚态。对三体碎片-- 关联的分析表明，衰变 NCC++ 明显由直接对发射主导。该双中子关联强度为有史以来观测到的最大者，表明其以一个 C 核心被四个排布于强关联对中的价中子包围为主导。另一方面，在衰变 OOO++ 中发现显著的顺序分支竞争，这归因于其通过敲出一个深束缚中子形成，该中子破坏了 O 核心并减少了对数。
引用
@article{arxiv.1803.04777,
title = {Strong neutron pairing in core+4n nuclei},
author = {A. Revel and F. M. Marques and O. Sorlin and T. Aumann and C. Caesar and M. Holl and V. Panin and M. Vandebrouck and F. Wamers and H. Alvarez-Pol and L. Atar and V. Avdeichikov and S. Beceiro-Novo and D. Bemmerer and J. Benlliure and C. A. Bertulani and J. M. Boillos and K. Boretzky and M. J. G. Borge and M. Caamano and E. Casarejos and W. N. Catford and J. Cederkäll and M. Chartier and L. Chulkov and D. Cortina-Gil and E. Cravo and R. Crespo and U. Datta Pramanik and P. Diaz Fernandez and I. Dillmann and Z. Elekes and J. Enders and O. Ershova and A. Estrade and F. Farinon and L. M. Fraile and M. Freer and D. Galaviz and H. Geissel and R. Gernhauser and P. Golubev and K. Göbel and J. Hagdahl and T. Heftrich and M. Heil and M. Heine and A. Heinz and A. Henriques and A. Hufnagel and A. Ignatov and H. T. Johansson and B. Jonson and J. Kahlbow and N. Kalantar-Nayestanaki and R. Kanungo and A. Kelic-Heil and A. Knyazev and T. Kroll and N. Kurz and M. Labiche and C. Langer and T. Le Bleis and R. Lemmon and S. Lindberg and J. Machado and J. Marganiec and A. Movsesyan and E. Nacher and M. Najafi and E. Nikolskii and T. Nilsson and C. Nociforo and S. Paschalis and A. Perea and M. Petri and S. Pietri and R. Plag and R. Reifarth and G. Ribeiro and C. Rigollet and M. Roder and D. Rossi and D. Savran and H. Scheit and H. Simon and I. Syndikus and J. T. Taylor and O. Tengblad and R. Thies and Y. Togano and P. Velho and V. Volkov and A. Wagner and H. Weick and C. Wheldon and G. Wilson and J. S. Winfield and P. Woods and D. Yakorev and M. Zhukov and A. Zilges and K. Zuber},
journal= {arXiv preprint arXiv:1803.04777},
year = {2018}
}
备注
6 pages, 4 figures, accepted for publication in Phys. Rev. Lett