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The Chiral Medium in a Generalized Sigma Model and the Chiral Perturbation Theory. / Andrianov, V. A.; Andrianov, A. A.; Espriu, D.

In: Physics of Particles and Nuclei, Vol. 53, No. 2, 04.2022, p. 111-116.

Research output: Contribution to journal › Article › peer-review

Harvard

Andrianov, VA, Andrianov, AA & Espriu, D 2022, 'The Chiral Medium in a Generalized Sigma Model and the Chiral Perturbation Theory', Physics of Particles and Nuclei, vol. 53, no. 2, pp. 111-116. https://doi.org/10.1134/s1063779622020083, https://doi.org/10.1134/S1063779622020083

APA

Andrianov, V. A., Andrianov, A. A., & Espriu, D. (2022). The Chiral Medium in a Generalized Sigma Model and the Chiral Perturbation Theory. Physics of Particles and Nuclei, 53(2), 111-116. https://doi.org/10.1134/s1063779622020083, https://doi.org/10.1134/S1063779622020083

Vancouver

Andrianov VA, Andrianov AA, Espriu D. The Chiral Medium in a Generalized Sigma Model and the Chiral Perturbation Theory. Physics of Particles and Nuclei. 2022 Apr;53(2):111-116. https://doi.org/10.1134/s1063779622020083, https://doi.org/10.1134/S1063779622020083

Author

Andrianov, V. A. ; Andrianov, A. A. ; Espriu, D. / The Chiral Medium in a Generalized Sigma Model and the Chiral Perturbation Theory. In: Physics of Particles and Nuclei. 2022 ; Vol. 53, No. 2. pp. 111-116.

BibTeX

@article{8d296abf7a5e424083263a38ce6d3c83,
title = "The Chiral Medium in a Generalized Sigma Model and the Chiral Perturbation Theory",
abstract = "Abstract—: The possibility of the formation of a phase with local parity violation(LPV) in a chiral medium in central collisions of heavy ions at high energies is investigated. The obtained restrictions are compared to parameters of the generalized Linear-Sigma Model (LSM) for light mesons and structural constants of the interaction of the chiral Gasser–Leutweiler (GL) Lagrangian for the Chiral Perturbation Theory (ChPT) in a chiral medium. A number of relations are obtained for the low-energy structural coupling constants of the chiral GL Lagrangian and the corresponding parameter interaction in the generalized Sigma Model. Expressions for the decay constant of the pion and the mass of the a0 meson in unbalanced chiral environment are given. A process (signature) in a chiral medium is described, which can serve as an experimental indication of the existence a phase with LPV, which is manifested in the suppression of the flux of muons in decays of charged pions in a fireball.",
keywords = "Фмзика высоких энерги, элементарные частицы, нарушение фундаментальных симметрий й ,, Parity symmetry breaking,, QUANTUM CHROMODYNAMICS, Chiral imbalance, strong interactions, heavy ion collisions",
author = "Andrianov, {V. A.} and Andrianov, {A. A.} and D. Espriu",
note = "Publisher Copyright: {\textcopyright} 2022, Pleiades Publishing, Ltd.",
year = "2022",
month = apr,
doi = "10.1134/s1063779622020083",
language = "English",
volume = "53",
pages = "111--116",
journal = "Physics of Particles and Nuclei",
issn = "1063-7796",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "2",

}

RIS

TY - JOUR

T1 - The Chiral Medium in a Generalized Sigma Model and the Chiral Perturbation Theory

AU - Andrianov, V. A.

AU - Andrianov, A. A.

AU - Espriu, D.

N1 - Publisher Copyright: © 2022, Pleiades Publishing, Ltd.

PY - 2022/4

Y1 - 2022/4

N2 - Abstract—: The possibility of the formation of a phase with local parity violation(LPV) in a chiral medium in central collisions of heavy ions at high energies is investigated. The obtained restrictions are compared to parameters of the generalized Linear-Sigma Model (LSM) for light mesons and structural constants of the interaction of the chiral Gasser–Leutweiler (GL) Lagrangian for the Chiral Perturbation Theory (ChPT) in a chiral medium. A number of relations are obtained for the low-energy structural coupling constants of the chiral GL Lagrangian and the corresponding parameter interaction in the generalized Sigma Model. Expressions for the decay constant of the pion and the mass of the a0 meson in unbalanced chiral environment are given. A process (signature) in a chiral medium is described, which can serve as an experimental indication of the existence a phase with LPV, which is manifested in the suppression of the flux of muons in decays of charged pions in a fireball.

AB - Abstract—: The possibility of the formation of a phase with local parity violation(LPV) in a chiral medium in central collisions of heavy ions at high energies is investigated. The obtained restrictions are compared to parameters of the generalized Linear-Sigma Model (LSM) for light mesons and structural constants of the interaction of the chiral Gasser–Leutweiler (GL) Lagrangian for the Chiral Perturbation Theory (ChPT) in a chiral medium. A number of relations are obtained for the low-energy structural coupling constants of the chiral GL Lagrangian and the corresponding parameter interaction in the generalized Sigma Model. Expressions for the decay constant of the pion and the mass of the a0 meson in unbalanced chiral environment are given. A process (signature) in a chiral medium is described, which can serve as an experimental indication of the existence a phase with LPV, which is manifested in the suppression of the flux of muons in decays of charged pions in a fireball.

KW - Фмзика высоких энерги, элементарные частицы, нарушение фундаментальных симметрий й ,

KW - Parity symmetry breaking,

KW - QUANTUM CHROMODYNAMICS

KW - Chiral imbalance, strong interactions

KW - heavy ion collisions

UR - http://www.scopus.com/inward/record.url?scp=85130026314&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/6a4ae56e-784c-3ff5-8db9-9aacc39793f4/

U2 - 10.1134/s1063779622020083

DO - 10.1134/s1063779622020083

M3 - Article

AN - SCOPUS:85130026314

VL - 53

SP - 111

EP - 116

JO - Physics of Particles and Nuclei

JF - Physics of Particles and Nuclei

SN - 1063-7796

IS - 2

ER -

ID: 92510722