arxiv: 1203.6740 · v2 · pith:OVHYL6U2new · submitted 2012-03-30 · ⚛️ nucl-th · hep-lat· hep-ph

A renewed look at eta' in medium

Youngshin Kwon , Su Houng Lee , Kenji Morita , Gyuri Wolf This is my paper

classification ⚛️ nucl-th hep-lathep-ph

keywords mediumsymmetrywhetherchangechiraldenseeffectivelyfinite

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We revisit the question of whether the U_A(1) symmetry is effectively restored in hot and dense medium. In particular, by generalizing the Witten-Veneziano formula to finite temperature, we investigate whether the mass of eta'-meson will change in medium due to the restoration of chiral symmetry.

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A renewed look at eta' in medium

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