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Title: Study of ¹⁹C by One-Neutron Knockout
Authors: Hwang, Jongwon
Kim, Sunji
Satou, Yoshiteru
Orr, Nigel A.
Nakamura, Takashi
Kondo, Yosuke
Gibelin, Julien
Achouri, N. Lynda
Aumann, Thomas
Baba, Hidetada
Delaunay, Franck
Doornenbal, Pieter
Fukuda, Naoki
Inabe, Naohito
Isobe, Tadaaki
Kameda, Daisuke
Kanno, Daiki
Kobayashi, Nobuyuki
Kobayashi, Toshio
Kubo, Toshiyuki
Leblond, Sylvain
Lee, Jenny
Marqués, F. Miguel
Minakata, Ryogo
Motobayashi, Tohru
Murai, Daichi
Murakami, Tetsuya  kyouindb  KAKEN_id
Muto, Kotomi
Nakashima, Tomohiro
Nakatsuka, Noritsugu
Navin, Alahari
Nishi, Seijiro
Ogoshi, Shun
Otsu, Hideaki
Sato, Hiromi
Shimizu, Yohei
Suzuki, Hiroshi
Takahashi, Kento
Takeda, Hiroyuki
Takeuchi, Satoshi
Tanaka, Ryuki
Togano, Yasuhiro
Tuff, Adam G.
Vandebrouck, Marine
Yoneda, Ken-Ichiro
Author's alias: 村上, 哲也
Issue Date: 25-Mar-2016
Publisher: EDP Sciences
Journal title: EPJ Web of Conferences
Volume: 113
Thesis number: 06014
Abstract: The spectroscopic structure of ¹⁹C, a prominent one-neutron halo nucleus, has been studied with a ²⁰C secondary beam at 290 MeV/nucleon and a carbon target. Neutron-unbound states populated by the one-neutron knockout reaction were investigated by means of the invariant mass method. The preliminary relative energy spectrum and parallel momentum distribution of the knockout residue, ¹⁹C∗, were reconstructed from the measured four momenta of the¹⁸C fragment, neutron, and beam. Three resonances were observed in the spectrum, which correspond to the states at Ex = 0.62(9), 1.42(10), and 2.89(10) MeV. The parallel momentum distributions for the 0.62-MeV and 2.89-MeV states suggest spin-parity assignments of 5/2⁺ and 1/2⁻, respectively. The 1.42-MeV state is in line with the reported 5/22⁺ state.
Description: 21st International Conference on Few-Body Problems in Physics, Chicago, IL, USA, May 18-22, 2015.
Rights: © Owned by the authors, published by EDP Sciences, 2016. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
DOI(Published Version): 10.1051/epjconf/201611306014
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