Spin polarized photons from an axially charged plasma at weak coupling: Complete leading order
Abstract
In the presence of (approximately conserved) axial charge in the QCD plasma at finite temperature, the emitted photons are spin aligned, which is a unique P- and CP-odd signature of axial charge in the photon emission observables. We compute this “P-odd photon emission rate” in a weak coupling regime at a high temperature limit to complete leading order in the QCD coupling constant: the leading log as well as the constant under the log. As in the P-even total emission rate in the literature, the computation of the P-odd emission rate at leading order consists of three parts: (1) Compton and pair annihilation processes with hard momentum exchange, (2) soft t- and u-channel contributions with hard thermal loop resummation, (3) Landau-Pomeranchuk-Migdal resummation of collinear bremsstrahlung and pair annihilation. In conclusion, we present analytical and numerical evaluations of these contributions to our P-odd photon emission rate observable.
- Authors:
-
- Univ. of Illinois, Chicago, IL (United States),. Dept. of Physics
- Univ. of Illinois, Chicago, IL (United States),. Dept. of Physics; Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States). RIKEN Research Center
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1260153
- Report Number(s):
- BNL-112294-2016-JA
Journal ID: ISSN 2470-0010; PRVDAQ; R&D Project: PO-3
- Grant/Contract Number:
- SC0012704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 6; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Mamo, Kiminad A., and Yee, Ho-Ung. Spin polarized photons from an axially charged plasma at weak coupling: Complete leading order. United States: N. p., 2016.
Web. doi:10.1103/PhysRevD.93.065053.
Mamo, Kiminad A., & Yee, Ho-Ung. Spin polarized photons from an axially charged plasma at weak coupling: Complete leading order. United States. https://doi.org/10.1103/PhysRevD.93.065053
Mamo, Kiminad A., and Yee, Ho-Ung. Thu .
"Spin polarized photons from an axially charged plasma at weak coupling: Complete leading order". United States. https://doi.org/10.1103/PhysRevD.93.065053. https://www.osti.gov/servlets/purl/1260153.
@article{osti_1260153,
title = {Spin polarized photons from an axially charged plasma at weak coupling: Complete leading order},
author = {Mamo, Kiminad A. and Yee, Ho-Ung},
abstractNote = {In the presence of (approximately conserved) axial charge in the QCD plasma at finite temperature, the emitted photons are spin aligned, which is a unique P- and CP-odd signature of axial charge in the photon emission observables. We compute this “P-odd photon emission rate” in a weak coupling regime at a high temperature limit to complete leading order in the QCD coupling constant: the leading log as well as the constant under the log. As in the P-even total emission rate in the literature, the computation of the P-odd emission rate at leading order consists of three parts: (1) Compton and pair annihilation processes with hard momentum exchange, (2) soft t- and u-channel contributions with hard thermal loop resummation, (3) Landau-Pomeranchuk-Migdal resummation of collinear bremsstrahlung and pair annihilation. In conclusion, we present analytical and numerical evaluations of these contributions to our P-odd photon emission rate observable.},
doi = {10.1103/PhysRevD.93.065053},
journal = {Physical Review D},
number = 6,
volume = 93,
place = {United States},
year = {Thu Mar 24 00:00:00 EDT 2016},
month = {Thu Mar 24 00:00:00 EDT 2016}
}
Web of Science
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Works referencing / citing this record:
Quantum kinetic theory of spin polarization of massive quarks in perturbative QCD: Leading log
journal, September 2019
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Photon radiation in hot nuclear matter by means of chiral anomalies
text, January 2019
- Tuchin, Kirill
- arXiv
Quantum Kinetic Theory of Spin Polarization of Massive Quarks in Perturbative QCD: Leading Log
text, January 2019
- Li, Shiyong; Yee, Ho-Ung
- arXiv