Analysis of (π±, K+) and (K-, K+) hypernuclear production spectra in distorted-wave impulse approximation

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概要

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• We study the hyperon-nucleus potential with distorted-wave impulse wave approximation (DWIA) using the Green's function method. In order to include the nucleon and hyperon potential effects in Fermi averaging, we introduce the local optimal momentum approximation of target nucleons. We can describe the quasi-free Λ , Σ and Ξ production spectra in a better way than in the standard Fermi-averaged t -matrix treatments.

• Springer Berlin / Heidelbergの論文

著者

• 大西 明

  京都大学基礎物理学研究所

• 大西 明

  北海道大学

• 大西 明

  Division Of Physics Graduate School Of Science Hokkaido University

• OHNISHI Akira

  Division of Physics, Graduate School of Science, Hokkaido University

• Maekawa Hideki

  Department Of Physics Faculty Of Science Hokkaido University

• Tsubakihara Kohsuke

  Department Of Physics Faculty Of Science Hokkaido University

• Ohnishi Akira

  Yukawa Institute For Theoretical Physics Kyoto University:department Of Physics Faculty Of Science H

• OHNISHI Akira

  Yukawa Institute for Theoretical Physics, Kyoto University:Department of Physics, Faculty of Science, Hokkaido University

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