中国物理C(英文版)2025,Vol.49Issue(1) :269-280.DOI:10.1088/1674-1137/ad88fa

Analytic continuation in the coupling constant for resonances in Λ9Be

张涵韬 柏栋 任中洲
中国物理C(英文版)2025,Vol.49Issue(1) :269-280.DOI:10.1088/1674-1137/ad88fa

Analytic continuation in the coupling constant for resonances in Λ9Be

张涵韬 1柏栋 2任中洲3
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作者信息

  • 1. School of Physics Science and Engineering,Tongji University,Shanghai 200092,China
  • 2. College of Mechanics and Engineering Science,Hohai University,Nanjing 211100,China
  • 3. School of Physics Science and Engineering,Tongji University,Shanghai 200092,China;Key Laboratory of Advanced Micro-Structure Materials,Ministry of Education,Shanghai 200092,China
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Abstract

The application scope of the analytic continuation in the coupling constant(ACCC)can be extended to the exchange parameters of the effective nucleon-nucleon interaction in the microscopic cluster model.Based on such an exchange parameter dependent ACCC(abbreviated as EPD-ACCC),we examine the Λ9Be system in the framework of the α+α+Λ microscopic cluster model.The particle emission from excited states of α+α+Λare in-vestigated,and the corresponding resonant energies are obtained via EPD-ACCC.Furthermore,the complex scaling method(CSM)is applied for comparison.A good agreement between these two theoretical approaches is obtained.This study demonstrates EPD-ACCC to be a reliable method for estimating multi-cluster resonances in light hyper-nuclei.

Key words

hypernuclear/microscopic cluster model/resonance

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出版年

2025
中国物理C(英文版)
中国物理学会 中国科学院高能物理研究所 中国科学院近代物理研究所

中国物理C(英文版)

影响因子:0.347
ISSN:1674-1137
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