6533b7d3fe1ef96bd125fe2e

RESEARCH PRODUCT

A QCD calculation of the pion-nucleon sigma-term

M. KremerG. M. DieringerN.f. NasrallahKarl Schilcher

subject

QuarkQuantum chromodynamicsPhysicsParticle physicsPhysics and Astronomy (miscellaneous)High Energy Physics::LatticeHigh Energy Physics::PhenomenologyNuclear TheoryQCD vacuumSigmaElementary particlePionHigh Energy Physics::ExperimentSum rule in quantum mechanicsNuclear ExperimentNucleonEngineering (miscellaneous)

description

We present the results of a QCD sum rule calculation of the pion-nucleon sigma-term. Depending on the uncertain value of the four quark condensate we obtain σ=10...40 MeV.

https://doi.org/10.1007/bf01560399