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Observation of a Be double-Lambda hypernucleus in the J-PARC E07 experimentopen access
- Authors
- Ekawa, H.; Agari, K.; Ahn, J. K.; Akaishi, T.; Akazawa, Y.; Ashikaga, S.; Bassalleck, B.; Bleser, S.; Endo, Y.; Fujikawa, Y.; Fujioka, N.; Fujita, M.; Goto, R.; Han, Y.; Hasegawa, S.; Hashimoto, T.; Hayakawa, S. H.; Hayakawa, T.; Hayata, E.; Hicks, K.; Hirose, E.; Hirose, M.; Honda, R.; Hoshino, K.; Hoshino, S.; Hosomi, K.; Hwang, S. H.; Ichikawa, Y.; Ichikawa, M.; Ieiri, M.; Imai, K.; Inaba, K.; Ishikawa, Y.; Iskendir, A.; Ito, H.; Ito, K.; Jung, W. S.; Kanatsuki, S.; Kanauchi, H.; Kasagi, A.; Kawai, T.; Kim, M. H.; Kim, S. H.; Kinbara, S.; Kiuchi, R.; Kobayashi, H.; Kobayashi, K.; Koike, T.; Koshikawa, A.; Lee, J. Y.; Lee, J. W.; Ma, T. L.; Matsumoto, S. Y.; Minakawa, M.; Miwa, K.; Moe, A. T.; Moon, T. J.; Moritsu, M.; Nagase, Y.; Nakada, Y.; Nakagawa, M.; Nakashima, D.; Nakazawa, K.; Nanamura, T.; Naruki, M.; Nyaw, A. N. L.; Ogura, Y.; Ohashi, M.; Oue, K.; Ozawa, S.; Pochodzalla, J.; Ryu, S. Y.; Sako, H.; Sasaki, Y.; Sato, S.; Sato, Y.; Schupp, F.; Shirotori, K.; Soe, M. M.; Soe, M. K.; Sohn, J. Y.; Sugimura, H.; Suzuki, K. N.; Takahashi, H.; Takahashi, T.; Takahashi, Y.; Takeda, T.; Tamura, H.; Tanida, K.; Theint, A. M. M.; Tint, K. T.; Toyama, Y.; Ukai, M.; Umezaki, E.; Watabe, T.; Watanabe, K.; Yamamoto, T. O.; Yang, S. B.; Yoon, C. S.; Yoshida, J.; Yoshimoto, M.; Zhang, D. H.; Zhang, Z.
- Issue Date
- Feb-2019
- Publisher
- OXFORD UNIV PRESS INC
- Keywords
- D14
- Citation
- PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, v.2019, no.2
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS
- Volume
- 2019
- Number
- 2
- ISSN
- 2050-3911
- Abstract
- A double- hypernucleus, , was observed by the J-PARC E07 Collaboration in nuclear emulsions tagged by the () reaction. This event was interpreted as the production and decay of , , or via capture in . By assuming capture in the atomic 3D state, the binding energies of two hyperons () of these double- hypernuclei are obtained to be , , and , respectively. Based on the kinematic fitting, is the most likely explanation for the observed event.
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