Chiral symmetry of baryons

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概要

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• We study chiral properties of baryons which was not discussed before. In the linear represenatations we point out that there are two different assignments of chiral symmetry for spin 1/2 baryons. We call them as the naive and mirror assignments. The difference between the two assignments show up in properties of the negative parity baryon which is a would be parity partner of the ground state nucleon. A candidate of such a state is N* (1535). In order to determine the assignment experimentally, we propose double meson production of the eta and pion at the threshold region. The coupling of the low energy pion in the final state is then used to extract the sign of the Yukawa coupling, g_<πN*N*>, which distinguishes the two assignments of the nucleon.

• 沼津工業高等専門学校の論文
• 2001-01-31

著者

• Hosaka Atsushi

  沼津工業高等専門学校

• Hosaka Atushi

  沼津工業高等専門学校

関連論文

• Chiral symmetry of baryons

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