Naslov
η′ Multiplicity and Witten-Veneziano Relation at T>0

Autori
Klabučar, Dubravko ; Benić, Sanjin ; Horvatić, Davor ; Kekez, Dalibor

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), ostalo

Izvornik
Acta Phys.Polon.B Supp. 6 (2013) 3, proceedings of the International Meeting "Excited QCD" 2013. / Bicudo, Pedro ; Giacosa, Francesco ; Malek, Magdalena ; Parganlija, Denis - Krakov : Acta Physica Polonica B, 2013, 935-940

Skup
International Meeting "Excited QCD" 2013.

Mjesto i datum
Bjelašnica, Bosna i Hercegovina, 03.02.2013. - 09.02.2013

Vrsta sudjelovanja
Pozvano predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
eta' meson multiplicity; heavy-ion collisions; singlet chiral symmetry restoration; hot medium

Sažetak
Recent RHIC results on eta' multiplicity in heavy-ion collisions are of great importance because they clearly signal a partial restoration of U_A(1) symmetry at high temperatures T, and thus provide an unambiguous signature of the formation of a new state of matter. Prompted by these experimental results of STAR and PHENIX collaborations, we discuss and propose the minimal generalization of the Witten-Veneziano relation to finite T.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA