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Journal Articles Physics Letters B Year : 2016

Interaction cross section study of the two-neutron halo nucleus $^{22}$C

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Y. Togano
  • Function : Author
T. Nakamura
  • Function : Author
Y. Kondo
  • Function : Author
J.A. Tostevin
  • Function : Author
A.T. Saito
  • Function : Author
J. Gibelin
N.A. Orr
  • Function : Author
  • PersonId : 940479
N.L. Achouri
T. Aumann
  • Function : Author
H. Baba
  • Function : Author
P. Doornenbal
  • Function : Author
N. Fukuda
  • Function : Author
J.W. Hwang
  • Function : Author
N. Inabee
  • Function : Author
T. Isobe
  • Function : Author
D. Kameda
  • Function : Author
D. Kanno
  • Function : Author
S. Kim
  • Function : Author
N. Kobayashi
  • Function : Author
T. Kobayashi
  • Function : Author
T. Kubo
  • Function : Author
J. Lee
  • Function : Author
F.M. Marqués
  • Function : Author
  • PersonId : 941129
R. Minakata
  • Function : Author
T. Motobayashi
  • Function : Author
D. Murai
  • Function : Author
T. Murakami
  • Function : Author
K. Muto
  • Function : Author
T. Nakashima
  • Function : Author
N. Nakatsuka
  • Function : Author
S. Nishi
  • Function : Author
S. Ogoshi
  • Function : Author
H. Otsu
  • Function : Author
H. Sato
  • Function : Author
Y. Satou
  • Function : Author
Y. Shimizu
  • Function : Author
H. Suzuki
  • Function : Author
K. Takahashi
  • Function : Author
H. Takeda
  • Function : Author
S. Takeuchi
  • Function : Author
R. Tanaka
  • Function : Author
A.G. Tuff
  • Function : Author
K. Yoneda
  • Function : Author

Abstract

The interaction cross sections (σI) of the very neutron-rich carbon isotopes 19C, 20C and 22C have been measured on a carbon target at 307, 280, and 235MeV/nucleon, respectively. A σIof 1.280 ±0.023bwas obtained for 22C, significantly larger than for 19,20C, supporting the halo character of 22C. A 22C root-mean-squared matter radius of 3.44 ±0.08fmwas deduced using a four-body Glauber reaction model. This value is smaller than an earlier estimate (of 5.4 ±0.9fm) derived from a σImeasurement on a hydrogen target at 40MeV/nucleon. These new, higher-precision σIdata provide stronger constraints for assessing the consistency of theories describing weakly bound nuclei.
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Dates and versions

in2p3-01367797 , version 1 (16-09-2016)

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Y. Togano, T. Nakamura, Y. Kondo, J.A. Tostevin, A.T. Saito, et al.. Interaction cross section study of the two-neutron halo nucleus $^{22}$C. Physics Letters B, 2016, 761, pp.412-418. ⟨10.1016/j.physletb.2016.08.062⟩. ⟨in2p3-01367797⟩
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