0000000000676267

AUTHOR

Hans Günter Dosch

showing 2 related works from this author

Chiral symmetry breaking condensates from baryonic sum rules

1984

We analyse baryonic sum rules in order to determine chiral symmetry breaking condensates. We especially investigate the influence of the choice of the interpolating field and of the factorization hypothesis for the four quark condensate. Our results are consistent with those obtained from pseudoscalar sum rules and PCAC.

Condensed Matter::Quantum GasesChiral anomalyQuarkPhysicsParticle physicsPhysics and Astronomy (miscellaneous)High Energy Physics::LatticeSpontaneous symmetry breakingNuclear TheoryHigh Energy Physics::PhenomenologyPseudoscalarExplicit symmetry breakingNambu–Jona-Lasinio modelSymmetry breakingChiral symmetry breakingEngineering (miscellaneous)Zeitschrift für Physik C Particles and Fields
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Dynamics of a subconstituent picture of weak interactions

1985

We use sum rules in order to discuss the dynamics of the simplest subconstituent model of weak interactions with elementary spin 1/2 fermions and scalar bosons. Vacuum condensates of the scalars play an essential role and lead to features quite different from QCD. With a certain vacuum structure vector dominance of the composite W-mesons is a good approximation, and we also see a clear signal for massless fermions in the two-point function of composite fermions. Thus such a model is in good agreement with standard phenomenology. Composite Higgs particles are also investigated. The effective interaction is evidently of the gauge type.

Condensed Matter::Quantum GasesQuantum chromodynamicsPhysicsParticle physicsPhysics and Astronomy (miscellaneous)High Energy Physics::LatticeHigh Energy Physics::PhenomenologyScalar (mathematics)FermionTheoretical physicsComposite fermionHiggs bosonSum rule in quantum mechanicsEngineering (miscellaneous)Phenomenology (particle physics)BosonZeitschrift f�r Physik C Particles and Fields
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