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Master formula approach to broken chiral U(3)xU(3) symmetry

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arxiv 0909.1606 v3 pith:NRZWKKKA submitted 2009-09-09 hep-ph nucl-th

classification hep-phnucl-th
keywords symmetrychiralapproachbreakingbrokenformulagammamaster
verification ladder T0 review T1 audit T2 compute T3 formal

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The master formula approach to chiral symmetry breaking proposed by Yamagishi and Zahed is extended to the U_R(3)xU_L(3) group, in which effects of the U_A(1) anomaly and the flavor symmetry breaking m_u \not= m_d \not= m_s are properly contained. New identities for the gluon topological susceptibility and pi^0, eta, eta' -> gamma^(*) gamma^(*) decays are derived, which exactly embody the consequence from broken chiral symmetry in QCD without relying on any unphysical limit.

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  1. Polarization of the $\phi$ meson in the hadronic phase with nucleon scatterings and a viscous hydrodynamic background

    hep-ph 2025-07 conditional novelty 5.0 of 10

    Kaon and nucleon rescattering plus viscous corrections in a Fluidum hydrodynamic background yield phi spin alignment consistent with zero, in disagreement with STAR data.

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