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Conference Papers Year : 2015

Study of $^{19}$C by One-Neutron Knockout from $^{20}$C

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Jongwon Hwang
  • Function : Author
Sunji Kim
  • Function : Author
Yoshiteru Satou
  • Function : Author
Takashi Nakamura
  • Function : Author
Yosuke Kondo
  • Function : Author
J. Gibelin
N.L. Achouri
Thomas Aumann
  • Function : Author
Hidetada Baba
  • Function : Author
Pieter Doornenbal
  • Function : Author
Naoki Fukuda
  • Function : Author
Naohito Inabe
  • Function : Author
Tadaaki Isobe
  • Function : Author
Daisuke Kameda
  • Function : Author
Daiki Kanno
  • Function : Author
Nobuyuki Kobayashi
  • Function : Author
Toshio Kobayashi
  • Function : Author
Toshiyuki Kubo
  • Function : Author
Jenny Lee
  • Function : Author
F.M. Marqués
  • Function : Author
  • PersonId : 941129
Ryogo Minakata
  • Function : Author
Tohru Motobayashi
  • Function : Author
Daichi Murai
  • Function : Author
Tetsuya Murakami
  • Function : Author
Kotomi Muto
  • Function : Author
Tomohiro Nakashima
  • Function : Author
Noritsugu Nakatsuka
  • Function : Author
Seijiro Nishi
  • Function : Author
Shun Ogoshi
  • Function : Author
Hideaki Otsu
  • Function : Author
Hiromi Sato
  • Function : Author
Yohei Shimizu
  • Function : Author
Hiroshi Suzuki
  • Function : Author
Kento Takahashi
  • Function : Author
Hiroyuki Takeda
  • Function : Author
Satoshi Takeuchi
  • Function : Author
Ryuki Tanaka
  • Function : Author
Yasuhiro Togano
  • Function : Author
Adam G. Tuff
  • Function : Author
Ken-Ichiro Yoneda
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Abstract

The present work aims at exploring neutron-unbound states of 19C via the one-neutron knockout reaction. The invariant mass measurement in inverse kinematics was carried out with a carbon target and a 20C secondary beam at 290 MeV/nucleon. The preliminary relative energy spectrum and the parallel momentum distribution of the system of 18C + n were reconstructed from the measured momenta of the 18C fragment and decayed neutron. A new resonance was observed at Erel = 2.3 MeV, which corresponds to the unbound state of 19C at Ex = 2.9 MeV. The parallel momentum distribution for this resonance suggests a spin-parity assignment of 1/2−. Additionally, two known states were seen at Ex = 0.6 and 1.4 MeV, consistent with the 5/2+1 and 5/2+2 states, respectively.

Dates and versions

in2p3-01198949 , version 1 (14-09-2015)

Identifiers

Cite

Jongwon Hwang, Sunji Kim, Yoshiteru Satou, Nigel A. Orr, Takashi Nakamura, et al.. Study of $^{19}$C by One-Neutron Knockout from $^{20}$C. ARIS 2014 - Advances in Radioactive Isotope Science, Jun 2014, Tokyo, Japan. pp.030032, ⟨10.7566/JPSCP.6.030032⟩. ⟨in2p3-01198949⟩
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