Probing the Z = 6 spin-orbit shell gap with (p,2p) quasi-free scattering reactions
Abstract
The evolution of the traditional nuclear magic numbers away from the valley of stability is an active field of research. Experimental efforts focus on providing key spectroscopic information that will shed light into the structure of exotic nuclei and understanding the driving mechanism behind the shell evolution. In this work, we investigate the Z = 6 spin-orbit shell gap towards the neutron dripline. To do so, we employed N(p,2p)C quasi-free scattering reactions to measure the proton component of the 2 state of C. The experimental findings support the notion of a moderate reduction of the proton 1p-1p spin-orbit splitting, at variance to recent claims for a prevalent Z = 6 magic number towards the neutron dripline.
Keywords
Cite
@article{arxiv.2008.10126,
title = {Probing the Z = 6 spin-orbit shell gap with (p,2p) quasi-free scattering reactions},
author = {I. Syndikus and M. Petri and A. O. Macchiavelli and S. Paschalis and C. A. Bertulani and T. Aumann and H. Alvarez-Pol and L. Atar and S. Beceiro-Novo and J. Benlliure and J. M. Boillos and K. Boretzky and M. J. G. Borge and B. A. Brown and M. Caamaño and C. Caesar and E. Casarejos and W. Catford and J. Cederkall and L. V. Chulkov and D. Cortina-Gil and E. Cravo and R. Crespo and I. Dillmann and P. Díaz Fernández and Z. Elekes and J. Enders and F. Farinon and L. M. Fraile and D. Galaviz Redondo and H. Geissel and R. Gernhäuser and P. Golubev and K. Göbel and M. Heil and M. Heine and A. Heinz and A. Henriques and M. Holl and H. T. Johansson and B. Jonson and N. Kalantar-Nayestanaki and R. Kanungo and A. Kelic-Heil and T. Kröll and N. Kurz and C. Langer and T. Le Bleis and J. F. D. C. Machado and J. Marganiec-Gałazka and E. Nacher and T. Nilsson and C. Nociforo and V. Panin and A. Perea and S. B. Pietri and R. Plag and R. Reifarth and A. Revel and G. Ribeiro and C. Rigollet and D. M. Rossi and D. Savran and H. Scheit and H. Simon and O. Sorlin and O. Tengblad and Y. Togano and M. Vandebrouck and V. Volkov and F. Wamers C. Wheldon and G. L. Wilson and J. S. Winfield and H. Weick and P. Woods and D. Yakorev and M. Zhukov and A. Zilges and K. Zuber},
journal= {arXiv preprint arXiv:2008.10126},
year = {2020}
}
Comments
27 pages, 5 figures, 2 tables. Submitted to Physics Letter B