Parity reversion in ¹²_ΛBe

2011/09/14 by H. Homma, H Homma, M. Isaka +5
Physics and Astronomy · #Black Holes and Theoretical Physics #FOS: Physical sciences #Nuclear Theory (nucl-th) #Nuclear physics research studies #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #nucl-th

paper · pdf · doi:10.48550/arxiv.1109.2970

3 figures

arxiv created 2011/09/14 · openalex publication_date 2011/09/14 · arxiv updated 2011/09/15 · openalex created_date 2024/04/11 · openalex updated_date 2026/07/28

Abstract

The spectrum of ¹²_ΛBe is studied by an extended version of antisymmetrized molecular dynamics for hypernuclei. The result predicts the positive-parity ground state of ¹²_ΛBe that is reverted to the normal one by the impurity effect of Λ particle. The reversion of the parity is due to the difference of Λ binding energy in the positive- and negative-parity states that originates in the difference of α clustering and deformation.

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