Probing Chiral Symmetry of Nucleons by Threshold Production

6533b851fe1ef96bd12a95d6

RESEARCH PRODUCT

Probing Chiral Symmetry of Nucleons by Threshold Production

subject

Physics Chiral anomaly Particle physics Physics and Astronomy (miscellaneous)Meson High Energy Physics::Lattice High Energy Physics::Phenomenology Nuclear Theory Yukawa potential Parity (physics)Pion Intermediate state High Energy Physics::Experiment Nuclear Experiment Chiral symmetry breaking Nucleon

description

Double meson production of eta and pi mesons in the threshold region is investigated in order to determine chiral properties of the nucleon. The eta can be used as a probe for the negative parity nucleon N ∗ ≡ N ∗ (1535), produced in the intermediate state. The coupling of the low energy pion in the final state is then used to extract the sign of the Yukawa coupling, gπN∗N ∗ , which distinguishes the two realizations of chiral symmetry, naive and mirror, for the nucleon.

year	journal	country	edition	language
2001-10-01	Progress of Theoretical Physics

https://doi.org/10.1143/ptp.106.823

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