Evidence for In-Medium Changes of Four-Quark Condensates

Thomas, R.; Zschocke, S.; Kämpfer, B.

doi:10.1103/PhysRevLett.95.232301

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Evidence for In-Medium Changes of Four-Quark Condensates

Thomas, R.; Zschocke, S.; Kämpfer, B.

Abstract

Utilizing the QCD sum rule approach to the behavior of the omega meson in nuclear matter we derive evidence for in-medium changes of particular four-quark condensates from the recent CB-TAPS experiment for the reaction gamma + A -> A' + omega (-> pi0 gamma) with A = Nb and LH2.

Keywords: In-Medium Modifications; QCD Sum Rules; Chiral Symmetry; Four-Quark Condensates

Physical Review Letters 95(2005)23, 232301
DOI: 10.1103/PhysRevLett.95.232301
Cited 33 times in Scopus

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