Renewed look at η′ in medium

Youngshin Kwon, Su Houng Lee, Kenji Morita, György Wolf

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


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 η′-meson will change in medium due to the restoration of chiral symmetry.

Original languageEnglish
Article number034014
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number3
Publication statusPublished - 2012 Aug 15

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)


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