Thomas R, Zschocke S, Kämpfer B. Evidence for in-medium changes of four-quark condensates.
PHYSICAL REVIEW LETTERS 2005;
95:232301. [PMID:
16384299 DOI:
10.1103/physrevlett.95.232301]
[Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2005] [Indexed: 05/05/2023]
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(--> pi0gamma) with A = Nb and LH2.
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