Exotic meson decays and polarization asymmetry in hadron environment with chiral imbalance

Александр Андреевич Андрианов, Владимир Андреевич Андрианов, Алёна Евгеньевна Путилова, Александр Васильевич Якубович, D. Espriu

Результат исследований: Научные публикации в периодических изданияхстатья в журнале по материалам конференции

2 Цитирования (Scopus)

Аннотация

The possibility of the formation of a local parity breaking in a quark-hadron medium is described as a result of a violation of chiral symmetry, i.e, the difference between the average numbers of right and left -handing quarks in the fireball after HIC.The phenomenology of LPB in the fireball induces the introduction of a topological charge and, accordingly, a topological (chiral) chemical potential. Using the effective meson Lagrangian motivated by QCD in the chiral medium the properties of light scalar and pseudoscalar mesons are analyzed. It is establish that exotic decays of scalar mesons arise as a result of mixing of π and a 0 vacuum states in the presence of chiral imbalance. The pion electromagnetic formfactor obtains a parity-odd supplement which generates a photon polarization asymmetry in pion polarizability. We consider that the above-mentioned properties of LPB can be revealed in experiments on LHC, RHIC, CBM FAIR and NICA accelerators.

Язык оригиналаанглийский
Номер статьи05014
ЖурналEPJ Web of Conferences
Том191
Номер выпуска05014
DOI
СостояниеОпубликовано - 31 окт 2018

Предметные области Scopus

  • Физика и астрономия (все)

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