PRODUCTION OF LIGHT Σ-HYPERNUCLEI

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概要

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• The in-flight (K^-,π^-), (K^-,π^-) and (K^-,π^+) reactions on a ^4He target at p_K=400- 800MeV/c are investigated within the DWIA framework by using the Green function method to establish a more quantitative understanding of the structure of ^4_ΣHe bound state and to clarify the Σ-formation mechanism. The Σ-formation spectra are predicted theoretically on the basis of realistic ΣN interaction with an imaginary part describing as the ΣN→ΛN conversion. It is found that the in-flight ^4He(K^-,π^-) spectrum around 450MeV/c is the best way at present to get definitive information on the nucleus-Σ potential. The systematic study of the reactions on the ^4He target is important to elucidate the Σ-formation mechanism.

• 素粒子論グループ 素粒子研究編集部の論文
• 1991-12-20

著者

• 原田 融

  北大理

関連論文

• 27a-SE-6 軽いハイパー核の弱崩壊
• 27a-SE-4 Production of Light Σ-Hypernuclei in Flight
• 3p-SA-7 Σ-Nucleus Interaction in Hypernuclei and Atmos
• 1a-G-2 structures of few-body Σ-hypernucel
• PRODUCTION OF LIGHT Σ-HYPERNUCLEI
• 30p-JB-3 軽いΣハイパー核(原子核理論)

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