6533b85efe1ef96bd12c089c

RESEARCH PRODUCT

The QCD analytic running coupling and chiral symmetry breaking

Joannis PapavassiliouA.v. Nesterenko

subject

Quantum chromodynamicsPhysicsCouplingHigh Energy Physics - TheoryNuclear and High Energy PhysicsParticle physicsHigh Energy Physics::LatticeHigh Energy Physics::PhenomenologyFOS: Physical sciencesFísicaFunction (mathematics)Atomic and Molecular Physics and OpticsEffective nuclear chargeGluonHigh Energy Physics - PhenomenologyPionHigh Energy Physics - Phenomenology (hep-ph)High Energy Physics - Theory (hep-th)Dispersion relationChiral symmetry breaking

description

We study the dependence on the pion mass of the QCD effective charge by employing the dispersion relations for the Adler D function. This new massive analytic running coupling is compared to the effective coupling saturated by the dynamically generated gluon mass. A qualitative picture of the possible impact of the former coupling on the chiral symmetry breaking is presented.

10.1016/j.nuclphysbps.2005.08.009http://hdl.handle.net/10550/43265