Hypernuclear fine structure inΛ16O and the ΛN tensor interaction

M. Ukai, S. Ajimura, H. Akikawa, D. E. Alburger, A. Banu, R. E. Chrien, G. B. Franklin, J. Franz, O. Hashimoto, T. Hayakawa, H. Hotchi, K. Imai, T. Kishimoto, M. May, D. J. Millener, S. Minami, Y. Miura, T. Miyoshi, K. Mizunuma, T. NagaeS. N. Nakamura, K. Nakazawa, Y. Okayasu, P. Pile, B. P. Quinn, A. Rusek, Y. Sato, R. Sutter, H. Takahashi, L. Tang, H. Tamura, K. Tanida, L. Yuan, S. H. Zhou

Research output: Contribution to journalArticlepeer-review

66 Citations (Scopus)


The γ-ray transitions in λ16O from the 6.6 meV excited 12- state to both ground state spin-doublet members and λN tensor interaction were analyzed. It was observed that the ground state doublet spacing provides a small but nonzero strength of the tensor interaction between a λ and a nucleon. The 1 2- energy level was measured to be about 6561.7∓1.1∓1.7 keV, and a small spacing for the ground-state doublet of 26.4∓1.6∓0.5 keV. The results show that the spacing determines a small but nonzero strength for the λN tensor interaction.

Original languageEnglish
Article number232501
JournalPhysical review letters
Issue number23
Publication statusPublished - 2004 Dec 3

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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