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Quasifree Neutron Knockout from Ca-54 Corroborates Arising N=34 Neutron Magic Number

Title
Quasifree Neutron Knockout from Ca-54 Corroborates Arising N=34 Neutron Magic Number
Authors
Chen, S.Lee, J.Doornenbal, P.Obertelli, A.Barbieri, C.Chazono, Y.Navratil, P.Ogata, K.Otsuka, T.Raimondi, F.Soma, VUtsuno, Y.Yoshida, K.Baba, H.Browne, F.Calvet, D.Chteau, F.Chiga, N.Corsi, A.Cortes, M. L.Delbart, A.Gheller, J-MGiganon, A.Gillibert, A.Hilaire, C.Isobe, T.Kahlbow, J.Kobayashi, T.Kubota, Y.Lapoux, VLiu, H. N.Motobayashi, T.Murray, IOtsu, H.Panin, VPaul, N.Rodriguez, W.Sakurai, H.Sasano, M.Steppenbeck, D.Stuhl, L.Sun, Y. L.Togano, Y.Uesaka, T.Wimmer, K.Yoneda, K.Achouri, N.Aktas, O.Aumann, T.Chung, L. X.Flavigny, F.Franchoo, S.Gasparic, IGerst, R. B.Gibelin, J.Hahn, K., IKim, D.Koiwai, T.Kondo, Y.Koseoglou, P.Lehr, C.Linh, B. D.Lokotko, T.MacCormick, M.Moschner, K.Nakamura, T.Park, S. Y.Rossi, D.Sahin, E.Sohler, D.Soederstroem, P-ATakeuchi, S.Trnqvist, H.Vaquero, V.Wagner, VWang, S.Werner, VXu, X.Yamada, H.Yan, D.Yang, Z.Yasuda, M.Zanetti, L.
Ewha Authors
한인식
SCOPUS Author ID
한인식scopus
Issue Date
2019
Journal Title
PHYSICAL REVIEW LETTERS
ISSN
0031-9007JCR Link

1079-7114JCR Link
Citation
PHYSICAL REVIEW LETTERS vol. 123, no. 14
Publisher
AMER PHYSICAL SOC
Indexed
SCI; SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
Exclusive cross sections and momentum distributions have been measured for quasifree one-neutron knockout reactions from a Ca-54 beam striking on a liquid hydrogen target at similar to 200 MeV/u. A significantly larger cross section to the p(3/2), state compared to the f(5/2) state observed in the excitation of Ca-53 provides direct evidence for the nature of the N = 34 shell closure. This finding corroborates the arising of a new shell closure in neutron-rich calcium isotopes. The distorted-wave impulse approximation reaction formalism with shell model calculations using the effective GXPF1Bs interaction and ab initio calculations concur our experimental findings. Obtained transverse and parallel momentum distributions demonstrate the sensitivity of quasifree one-neutron knockout in inverse kinematics on a thick liquid hydrogen target with the reaction vertex reconstructed to final state spin-parity assignments.
DOI
10.1103/PhysRevLett.123.142501
Appears in Collections:
사범대학 > 과학교육과 > Journal papers
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