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Start Over Descriptor "MESONS" Search Limiters Peer Reviewed Topic bosons Topic chirality of nuclear particles Journal international journal of modern physics a: particles & fields; gravitation; cosmology; nuclear physics

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1 results on '"MESONS"'

1. QUARK MASS RATIOS AND MASS SPLIT OF π0-π± IN ChPT WITH THE DIFFERENCE OF QUARK CONDENSATES CONSIDERED.

Author

Xiaoya Li, Bin Wang, Xiaozhao Chen, and Xiaofu Lü

Subjects
*LAGRANGE equations, *BOSONS, *QUARKS, *CHIRALITY of nuclear particles, *MESONS, *QUANTUM chromodynamics
Abstract

The chiral effective Lagrangian for pseudoscalar meson nonet including eight Goldstone bosons and a SU(3) singlet η0 is constructed with the breaking effect of chiral symmetry in both quark condensate and quark mass differences taken into account. The $\tilde{\pi}^0-\eta-\eta^\prime$ mixing is discussed. By solving the mass equations of pseudoscalar mesons, the quark mass ratios are obtained and the quark condensate ratios are constrained in ranges. The mass split of π0-π± is discussed. [ABSTRACT FROM AUTHOR]

Published
2008
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