English

Parity doublets in the baryon spectrum

High Energy Physics - Phenomenology 2015-06-25 v2 High Energy Physics - Experiment High Energy Physics - Lattice Nuclear Experiment Nuclear Theory

Abstract

Physics of the low-lying and high-lying hadrons in the light flavors sector is reviewed. While the low-lying hadrons are strongly affected by both U(1)AU(1)_A and spontaneous SU(2)L×SU(2)RSU(2)_L \times SU(2)_R breakings, in the high-lying hadrons these symmetries are restored. A manifestation is a persistence of the chiral multiplet structure in both baryon and meson spectra. A fundamental origin of this phenomenon is that effects of quantum fluctuations of both quark and gluon fields must vanish at large nn or JJ and a semiclassical description becomes adequate. A relation between the chiral symmetry restoration and the string picture of excited hadrons is discussed.

Keywords

Cite

@article{arxiv.hep-ph/0501043,
  title  = {Parity doublets in the baryon spectrum},
  author = {L. Ya. Glozman},
  journal= {arXiv preprint arXiv:hep-ph/0501043},
  year   = {2015}
}

Comments

12 pages. Plenary talk given at 10th Int. Conf. on the Structure of Baryons (Baryons 04), October 25-29, 2004, Palaiseau, France; typos have been removed

R2 v1 2026-07-22T13:59:43.304Z