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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61 Citations (Scopus)


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
Pages (from-to)142502/1-142502/4
JournalPhysical Review Letters
Issue number14
Publication statusPublished - 2002 Apr 8


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