Parity reversion in ^{12}_\Lambda Be

H. Homma; M. Isaka; M. Kimura

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Parity reversion in ¹²_Λ Be

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arxiv 1109.2970 v1 pith:EMZP4SYU submitted 2011-09-14 nucl-th

Parity reversion in ¹²_Λ Be

H. Homma , M. Isaka , M. Kimura This is my paper

classification nucl-th

keywords lambdadifferenceparityreversionalphaantisymmetrizedbindingclustering

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The spectrum of $^{12}_\Lambda$Be is studied by an extended version of antisymmetrized molecular dynamics for hypernuclei. The result predicts the positive-parity ground state of $^{12}_\Lambda$Be that is reverted to the normal one by the impurity effect of $\Lambda$ particle. The reversion of the parity is due to the difference of $\Lambda$ binding energy in the positive- and negative-parity states that originates in the difference of $\alpha$ clustering and deformation.

Parity reversion in ¹²_Λ Be

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