Photoproduction of Pentaquark Theta^+ and Chiral Symmetry Restoration in Hot and Dense Medium
classification
✦ hep-ph
keywords
photoproductionchiraldensemediumpentaquarkrestorationsymmetrytheta
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The photoproduction rate of pentaquark $\Theta^+$ is calculated in a hot and dense medium. At high temperature and density, due to the restoration of chiral symmetry, photoproduction energy threshold is increased. Above the thresold the production cross section is strongly enhanced.
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