T. Akaishi, A. Sakaguchi, T. Toda, M. Tokuda, H. Asano, K. Itahashi, M. Iwasaki, Yue Ma, R. Murayama, H. Outa, F. Sakuma, T. Yamaga, A. Clozza, C. Curceanu, R R Del Grande, C. Guaraldo, M. Iliescu, M. Miliucci, K. Piscicchia, A. Scordo, D. Sirghi, F. Sirghi, C. Han, X. Yuan, P. Zhang, Y. Zhang, T. Hashimoto, K. Tanida, S. Ishimoto, S. Suzuki, M. Sato, K. Inoue, H. Noumi, K. Shirotori, H. Ohnishi, S. Okada, H. Zhang
{"title":"Status of J-PARC E73 experiment: first direct Hypertriton lifetime measurement with 3He(K--, π 0 ) 3Λ H reaction","authors":"T. Akaishi, A. Sakaguchi, T. Toda, M. Tokuda, H. Asano, K. Itahashi, M. Iwasaki, Yue Ma, R. Murayama, H. Outa, F. Sakuma, T. Yamaga, A. Clozza, C. Curceanu, R R Del Grande, C. Guaraldo, M. Iliescu, M. Miliucci, K. Piscicchia, A. Scordo, D. Sirghi, F. Sirghi, C. Han, X. Yuan, P. Zhang, Y. Zhang, T. Hashimoto, K. Tanida, S. Ishimoto, S. Suzuki, M. Sato, K. Inoue, H. Noumi, K. Shirotori, H. Ohnishi, S. Okada, H. Zhang","doi":"10.31349/suplrevmexfis.3.0308120","DOIUrl":null,"url":null,"abstract":"In the last decade, heavy-ion based experiments (HypHI, STAR and ALICEi ) announced surprisingly short lifetime for 3 ΛH mesonic weak decay (MWD), which is difficult to interpret given the fact that 3 ΛH is a very loosely bound system. It will be very interesting to study this issue with a different experimental approach. We propose a direct measurement for 3 ΛH hypernucleus MWD lifetime with ∼10% precision as J-PARC E73 experiment; 4 ΛH hypernucleus lifetime will also be measured as a feasibility test for our experimental approach. In this proceeding, we will introduce the experimental method and the current status of E73 experiment.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2022-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Suplemento de la Revista Mexicana de Física","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31349/suplrevmexfis.3.0308120","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
In the last decade, heavy-ion based experiments (HypHI, STAR and ALICEi ) announced surprisingly short lifetime for 3 ΛH mesonic weak decay (MWD), which is difficult to interpret given the fact that 3 ΛH is a very loosely bound system. It will be very interesting to study this issue with a different experimental approach. We propose a direct measurement for 3 ΛH hypernucleus MWD lifetime with ∼10% precision as J-PARC E73 experiment; 4 ΛH hypernucleus lifetime will also be measured as a feasibility test for our experimental approach. In this proceeding, we will introduce the experimental method and the current status of E73 experiment.
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