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Possible Connection between Chiral Symmetry Breaking and the Nonet of Tensor Trajectories

E. Gal-Ezer, L. Gomberoff, and S. Nussinov

  • Department of Physics and Astronomy, Tel-Aviv University, Tel-Aviv, Israel

Phys. Rev. D 3, 530 – Published 15 January, 1971

DOI: https://doi.org/10.1103/PhysRevD.3.530

Abstract

Pole dominance in the complex angular momentum plane is used in order to estimate deviations from a perturbative scheme based on the Gell-Mann-Oakes-Renner model of chiral symmetry breaking. It is seen that the deviation can be very large, leading to a mass pattern which corresponds to almost-conserved SU(2)×SU(2), even when the Hamiltonian originally deviates considerably from this limit.

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