期刊
出版社
AMER INST PHYSICS
DOI: 10.1063/5.0009249
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资金
- JSPS KAKENHI [15K05091, 18K03660, 26400281]
- Grants-in-Aid for Scientific Research [18K03660, 26400281, 15K05091] Funding Source: KAKEN
In this article, we review our study of the K- pp, which is a prototype system of kaonic nuclei, with a fully coupled-channel complex scaling method (Full ccCSM). In the present study, i) the K- pp is treated as a resonant state of a (K) over bar NN-pi Sigma N-pi Lambda N coupled-channel system, ii) a chiral SU(3)-based potential as well as a phenomenological potential is examined as a (K) over barN-pi Y potential, and iii) property of the K(-)pp is investigated by analyzing the wave function obtained with the Full ccCSM calculation. It is noted that the energy dependence involved in a chiral SU(3)-based potential is taken into account by considering the selfconsistency for the meson-baryon energy. As a result, we have successfully found a resonant pole corresponding to the K(-)pp on the complex energy plane, and compared it with the latest experimental result reported by J-PARC E15 group. Furthermore, we have considered an energy-fixed case of a chiral SU(3) potential and also the effect of kinematics of mesons by examining the semi-relativistic calculation.
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