Effect of the Pauli exclusion principle in the electric dipole moment of Be 9 with | Δs|=1 interactions

Jehee Lee, Nodoka Yamanaka, Emiko Hiyama

研究成果: Contribution to journalArticle査読

8 被引用数 (Scopus)

抄録

We calculate the contribution of the |ΔS|=1K meson exchange process generated by the Cabibbo-Kobayashi-Maskawa matrix to the electric-dipole moment (EDM) of the Be9 nucleus by considering the αn-αΛ channel coupling. It is found that the effect of the Pauli exclusion principle is not important intermediate S=-1 state, and that the result is consistent with the EDM of Be9 calculated with the |ΔS|=1 interactions as a perturbation without considering the nucleus-hypernucleus mixing. Our result suggests that the effect of the |ΔS|=1 interactions is neither suppressed nor enhanced in nuclei, if the difference of binding energies between the nucleus and the hypernucleus is small compared with the hyperon-nucleon mass difference.

本文言語英語
論文番号055503
ジャーナルPhysical Review C
99
5
DOI
出版ステータス出版済み - 5 15 2019

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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