Experimental evidence of core modification in the near drip-line nucleus 23O

Rituparna Kanungo, Masami Chiba, Naohito Iwasa, Shunji Nishimura, Akira Ozawa, Chhanda Samanta, Toshimi Suda, Takeshi Suzuki, Takayuki Yamaguchi, Tao Zheng, Isao Tanihata

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Abstract

First measurements of momentum distribution were carried out using a new technique which allows several fragmentation reactions to be studied in the same condition. Two-neutron and one-neutron removal P∥ distributions of 23O were measured simultaneously for the first time. The 23O → 22O P∥ distribution in a core-plus neutron model was consistent with mixed occupancy of the neutron in 2s1/2 and 1d5/2 orbitals, under the assumption of 23O having Jπ=1/2+ or 5/2+.

Original languageEnglish
JournalPhysical Review Letters
Volume88
Issue number14
Publication statusPublished - 2002 Apr 8
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Kanungo, R., Chiba, M., Iwasa, N., Nishimura, S., Ozawa, A., Samanta, C., Suda, T., Suzuki, T., Yamaguchi, T., Zheng, T., & Tanihata, I. (2002). Experimental evidence of core modification in the near drip-line nucleus 23O. Physical Review Letters, 88(14).