Effect of Gluon and Pion Exchanges on Hyperons in Nuclear Matter
スポンサーリンク
概要
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A new version of the quark-meson coupling model, in which the effect of gluon and pion exchanges is included self-consistently, is applied to hyperons in a nuclear medium. The hyperfine interaction due to the gluon exchange plays an important role in the in-medium baryon spectra, while the pion-cloud effect is relatively small. At the quark mean-field level, the Λ feels more attractive force than the Σ or Ξ in matter.
- 2009-10-25
著者
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Saito Koichi
Department Of Analytical Chemistry Faculty Of Pharmaceutical Sciences Hoshi University
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Saito Koichi
Department Of Physics Faculty Of Science And Technology Tokyo University Of Science
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MIYATSU Tsuyoshi
Department of Physics, Faculty of Science and Technology, Tokyo University of Science
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Miyatsu Tsuyoshi
Department Of Physics Faculty Of Science And Technology Tokyo University Of Science
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Saito Koichi
Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto Prefectural University
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