Four-Quark Condensates in Nucleon QCD Sum Rules

Details Four-Quark Condensates in Nucleon QCD Sum Rules Four-Quark Condensates in Nucleon QCD Sum Rules

2007-04-23

arxiv.org/abs/0704.3004v2

Nucl.Phys.A795:19-46,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version accepted for publication: corrected typos, minor changes based on referee comments included, reference added

Scientific paper

10.1016/j.nuclphysa.2007.08.012

The in-medium behavior of the nucleon spectral density including self-energies is revisited within the framework of QCD sum rules. Special emphasis is given to the density dependence of four-quark condensates. A complete catalog of four-quark condensates is presented and relations among them are derived. Generic differences of such four-quark condensates occurring in QCD sum rules for light baryons and light vector mesons are discussed.

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