Effective Mass of a Λ-Particle in Nuclear Matter and OBE Λ-N Interactions

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概要

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• The effective mass of a Λ particle (M^*_ Λ) in nuclear matter is investigated within the framework of the lowest-order Brueckner theory by employing the Nijmegen OBE Λ-N interaction model D and F. The non-locality mass (M^^〜_ Λ) are evaluated and discussed in the light of the characteristics of the two models. In comparison with the model D, the model F yields smaller M^^〜_ Λ and larger M^^-_ Λ, reflecting the stronger Majorana exchange force and the stronger ΛN-ΣN coupling tensor force. Final results of M^*_ Λ/M_ Λ are 0.85 for D and 0.79 for F. In view of the effective Λ mass inferred from observed properties of the single particle potential for Λ, the model D interaction seems to be more adequate.

• 理論物理学刊行会の論文
• 1982-02-25

著者

• Nagata Sinobu

  Department Of Applied Physics Faculty Of Engineering Miyazaki University

• Bando H

  Univ. Tokyo Tanashi

• Bando Hiroharu

  Division Of Mathematical Physics Fukui University

• BANDO H

  Division of Mathematical Physics, Fukui University

• Bando Hiroharu

  Division Of Mathematical Physics Fukui Universiiy

• BANDO Hiroharu

  Division of Mathematical Physics, Fukui Univeristy

• BANDO Hiroharu

  Division of Mathemaical Physics, Fukui University

• NAGATA Sinobu

  Department of Computer Science and Systems Engineering, Miyazaki University

• NAGATA Sinobu

  Department of Applied Physics, Miyazaki University

• NAGATA Sinobu

  Department of Applied Physics, Faculty of Engineering, Miyazaki University

関連論文

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• On the Collective Mode of Internal Motion of the Nucleus to be coupled with the Irrotational Surface Motion
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