Hypernuclear Fine Structure in [Formula presented]

H. Akikawa, S. Ajimura, R. E. Chrien, P. M. Eugenio, G. B. Franklin, J. Franz, L. Gang, K. Imai, P. Khaustov, M. May, P. H. Pile, B. Quinn, A. Rusek, J. Sasao, R. I. Sawafta, H. Schmitt, H. Tamura, L. Tang, K. Tanida, L. YuanS. H. Zhou, L. H. Zhu, X. F. Zhu

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

With a germanium detector array (Hyperball), we observed two [Formula presented]-ray peaks corresponding to the two transitions ([Formula presented] and [Formula presented]) in the [Formula presented] hypernucleus which was produced by the [Formula presented] reaction. The energies of the [Formula presented] rays are [Formula presented] and [Formula presented]. The energy difference was measured to be [Formula presented], which indicates a very small [Formula presented]-spin-dependent spin-orbit force between a [Formula presented] and a nucleon. This is the smallest level splitting by far ever measured in a hypernucleus.

Original languageEnglish
Number of pages1
JournalPhysical review letters
Volume88
Issue number8
DOIs
Publication statusPublished - 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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