The Quest for Pionic and Kaonic Nuclear Bound Systems Following Yukawa and Tomonaga(YUKAWA-TOMONAGA CENTENNIAL SYMPOSIUM Progress in Modern Physics)
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概要
- 論文の詳細を見る
After sketching some historical events related to Yukawa and Tomonaga concerning the birth of mesons, the author describes recent developments in the spectroscopy of pion-nucleus bound states via "pion-transfer" reactions. The role of pions as Nambu-Goldstone bosons in nuclear media is emphasized by recently obtained experimental evidence for the partial restoration of chiral symmetry breaking. New light is shed on K mesons, which play a unique role in forming dense nuclear systems. The basic unit, K^-pp, is predicted to possess a molecular structure with quasi-Λ(1405) as an "atomic constituent". We find here super strong nuclear force produced by a migrating real K meson in the Heitler-London-Heisenberg scheme in place of the normal nuclear force mediated by Yukawa's virtual mesons.
- 理論物理学刊行会の論文
- 2008-01-30
著者
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Yamazaki Toshimitsu
Department Of Physics University Of Tokyo:riken Nishina Center
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Yamazaki Toshimitsu
Department Of Physics Faculty Of Science University Of Tokyo
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Yamazaki Toshimitsu
Department Of Physics And Meson Science Laboratory Faculty Of Science University Of Tokyo
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