Observation of a Be double hypernucleus in the J-PARC E07 experiment
Observation of a Be double hypernucleus in the J-PARC E07 experiment
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J-PARC E07 实验中 Be 双超核的观察
DOI：
10.1093/ptep/pty149
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发表时间：
2019
期刊：
影响因子：
--
通讯作者：
K.Imai et al.,
中科院分区：
文献类型：
--
作者：
H.Ekawa;S.Hasegawa;K.Imai et al.,
J-PARC E07 Collaboration 在用 () 反应标记的核乳液中观察到双超核。该事件被解释为，，或通过捕获的产生和衰变。通过假设在原子3D状态下捕获，这些双超核的两个超子（）的结合能分别为，，，，。基于运动学拟合，是对观察到的事件最可能的解释。
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,, orviacapture in. By assuming capture in the atomic 3D state, the binding energies of twohyperons () of these double-hypernuclei are obtained to be,, and, respectively. Based on the kinematic fitting,is the most likely explanation for the observed event.