High-resolution hypernuclear gamma-ray spectroscopy

H. Tamura, D. Abe, S. Ajimura, H. Akikawa, K. Araki, H. C. Bhang, R. E. Chrien, T. Endo, P. Eugenio, G. B. Franklin, Y. Fujii, T. Fukuda, L. Gan, O. Hashimoto, H. Hotchi, K. Imai, Y. Kakiguchi, P. Khaustov, J. H. Kim, Y. D. KimH. Kohri, M. May, T. Miyoshi, T. Murakami, T. Nagae, J. Nakano, H. Noumi, H. Outa, K. Ozawa, P. H. Pile, B. P. Quinn, A. Rusek, T. Saito, J. Sasao, Y. Sato, S. Satoh, R. I. Sawafta, R. A. Schumacher, M. Sekimoto, T. Takahashi, T. Tamagawa, L. Tang, K. Tanida, H. H. Xia, L. Yuan, S. H. Zhou, L. H. Zhu, X. F. Zhu

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6 Citations (Scopus)

Abstract

We have started a series of experiments of hypernuclear γ-ray spectroscopy using a germanium detector system called Hyperball. In KEK E419, we observed two γ transitions in 7ΛLi, the spin-flip M1(3/2+→1/2+) at 689±4 keV and the E2(5/2+→1/2+) at 2050±2 keV (preliminary), where B(E2) was measured to be 4.1±0.6±0.5 e2fm4 (preliminary). In BNL E930, we observed the E2(5/2+,3/2+→1/2+) transitions of 9ΛBe at around 3.05 MeV.

Original languageEnglish
Pages (from-to)481c-484c
JournalNuclear Physics A
Volume663-664
Issue number1-2
DOIs
Publication statusPublished - 2000 Jan 31

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Tamura, H., Abe, D., Ajimura, S., Akikawa, H., Araki, K., Bhang, H. C., Chrien, R. E., Endo, T., Eugenio, P., Franklin, G. B., Fujii, Y., Fukuda, T., Gan, L., Hashimoto, O., Hotchi, H., Imai, K., Kakiguchi, Y., Khaustov, P., Kim, J. H., ... Zhu, X. F. (2000). High-resolution hypernuclear gamma-ray spectroscopy. Nuclear Physics A, 663-664(1-2), 481c-484c. https://doi.org/10.1016/s0375-9474(99)00636-3