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坂尾 珠和*; 藤田 真奈美; 長谷川 勝一; 細見 健二; 市川 真也; 市川 裕大; 今井 憲一*; 七村 拓野; 成木 恵; 佐甲 博之; et al.
JPS Conference Proceedings (Internet), 33, p.011133_1 - 011133_6, 2021/03
The reaction is an important elementary process to produce
from a proton target and is a key for a
scattering experiment where the momentum of
should be tagged from the missing momentum of the
reaction. However, the
spectroscopy method has not been established yet due to the difficulty of the
detection. Therefore, we have proposed a new
detection method where
and
from the
decay are measured by a forward magnetic spectrometer and a detector cluster surrounding the target, respectively. The feasibility of the
detection method was confirmed by analyzing the J-PARC E40 data taken with such a detector system. In the analysis,
's were successfully identified in the missing mass spectrum of the
reaction.