Preparation status of missing-mass spectroscopy for 𝚵 hypernuclei with S-2S magnetic spectrometer

Ebata Kengo,Fujioka H., Fujita M.,Gogami T., Harada T. K., Hayakawa S. H., Honda R., Ichikawa Y., Kamada K., Kobori T., Miwa K., Nagae T., Nanamura T., Negishi R., Oura F., Sakao T.,Son C., Takahashi T., Takahashi H., Tamura H., Tokiyasu A. O., Ukai M., Yamamoto T. O.

EPJ Web of Conferences（2022）

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摘要

J-PARC E70 experiment measures the missing-mass of Ξ hypernuclei (12ΞBe) in Hadron Experimental Facility at J-PARC. We aim to reach the best missing-mass resolution of 2 MeV/c2 in FWHM with a new magnetic spectrometer S-2S. The high-resolution spectroscopy of Ξ hypernuclei will play an important role to understand the unknown ΞN interaction. The experiment will start at the beginning of 2023. This article presents the preparation status.

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关键词

magnetic spectrometer,spectroscopy,missing-mass

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