Gamma spectroscopy of hypernuclei: a decade of Hyperball project and future plans at J-PARC

H. Tamura, Y. Ma, N. Chiga, K. Hosomi, T. Koike, M. Mimori, K. Miwa, M. Sato, K. Shirotori, M. Ukai, T. O. Yamamoto

研究成果: Article査読

24 被引用数 (Scopus)

抄録

Since 1998 we have conducted the project of precision hypernuclear γ-ray spectroscopy using the Ge detector array, Hyperball, and revealed precise level schemes of various p-shell hypernuclei. In the latest experiment at KEK (E566), the ground-state spacing of Λ11C and Λ12C hypernuclei have been obtained using the 12C (π+, K+) Λ11B, Λ12C reaction. The accumulated data on the p-shell hypernuclear level energies allow us to establish all of the four strengths of the ΛN spin-dependent interactions and to discuss the ΛN-ΣN coupling force in a nucleus. Further experiments at J-PARC are being prepared, where we tackle new experimental challenges such as a precise measurement of the Λ-spin-flip B (M 1) values and exploration of sd-shell hypernuclei.

本文言語English
ページ(範囲)3-10
ページ数8
ジャーナルNuclear Physics A
835
1-4
DOI
出版ステータスPublished - 2010 4 1

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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