Excitation of the deeply bound <math><mtext>g</mtext><msub><mi></mi><mn><mtext>9</mtext><mtext>2</mtext></mn></msub></math> neutron hole state in 117Sn by a neutron pickup reaction with 81.7 MeV 3He particles期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Excitation of the deeply bound $g_{92}$ neutron hole state in ¹¹⁷Sn by a neutron pickup reaction with 81.7 MeV ³He particles

Authors:	M Sakai M Sekiguchi F Soga Y Hirao K Yagi Y Aoki

Institution:	Institute for Nuclear Study, University of Tokyo, Tanashi, Tokyo, Japan;Osaka University, Toyonaka, Osaka, Japan

Abstract:	Neutron hole states have been investigated by neutron pickup reactions on ⁹²Mo, ¹¹⁸Sn, ¹⁴⁰Ce and ²⁰⁸Pb with 81.7 MeV ³He particles. A strong effect of angular momentum mismatch has been observed to reduce the cross section for low-spin orbits. It causes the deeply bound $g_{92}$ orbit to appear in the spectrum of the α-particles from the $^{118} Sn(τ, α)^{117}$ Sn reaction as a strong broad peak. It may provide a nice tool for investigating the coupling mechanism between the deeply bound holes and the core.

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