Gamma spectroscopy of p-shell hypernuclei and ΛN spin-dependent interactions - Report of BNL E930

H. Tamura, S. Ajimura, H. Akikawa, D. E. Alburger, A. Banu, R. E. Chrien, P. Eugenio, G. B. Franklin, J. Franz, L. Gan, O. Hashimoto, T. Hayakawa, H. Hotchi, K. Imai, T. Kishimoto, P. Khaustov, M. May, S. Minami, Y. Miura, T. MiyoshiK. Mizunuma, T. Nagae, S. N. Nakamura, K. Nakazawa, Y. Okayasu, P. H. Pile, B. P. Quinn, A. Rusek, J. Sasao, Y. Sato, R. Sawafta, H. Schmitt, R. Sutter, H. Takahashi, L. Tang, K. Tanida, M. Ukai, L. Yuan, S. H. Zhou, L. H. Zhu, X. F. Zhu

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

High resolution γ spectroscopy of hypernuclei using Hyperball has revealed detailed level structure of several p-shell Λ hypernuclei and allowed us to extract the strengths of ΛN spin-dependent interactions. In the experiment BNL E930, we observed E2(3/2+,5/2+ → 1/2+) transitions in Λ9 Be and confirmed a small size of the Λ-spin-dependent spin-orbit force. Recently we took data for Λ16O and Λ15N in order to investigate the strength of the AN tensor force. In a preliminary analysis, we observed γ rays of Λ16O and Λ15N.

Original languageEnglish
Pages (from-to)85-94
Number of pages10
JournalModern Physics Letters A
Volume18
Issue number2-6
DOIs
Publication statusPublished - 2003 Feb 28

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics
  • Physics and Astronomy(all)

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