Gluon radiation from a classical point particle
Abstract
We consider an initially at rest colored particle which is struck by an ultrarelativistic nucleus. The particle is treated classically with respect to both its motion and its color charge. The nucleus is treated as a sheet of colored glass within the context of the color glass condensate framework. We compute both the momentum and coordinates of the struck classical particle and the emitted radiation. Our computations generalize the classic electrodynamics computation of the radiation of an accelerated charged particle to include the radiation induced by the charged gluon field. This latter contribution adds to the classic electrodynamics result and produces a gluon rapidity distribution that is roughly constant as a function of rapidity at rapidities far from the fragmentation region of the struck particles. These computations may form the basis of a first principles treatment for the initial conditions for the evolution of matter produced in the fragmentation region of asymptotically high energy collisions.
- Publication Date:
- Research Org.:
- Univ. of Washington, Seattle, WA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1562136
- Alternate Identifier(s):
- OSTI ID: 1609318
- Grant/Contract Number:
- FG02-00ER41132
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 5; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Astronomy & Astrophysics; Physics
Citation Formats
Kajantie, K., McLerran, Larry D., and Paatelainen, Risto. Gluon radiation from a classical point particle. United States: N. p., 2019.
Web. doi:10.1103/PhysRevD.100.054011.
Kajantie, K., McLerran, Larry D., & Paatelainen, Risto. Gluon radiation from a classical point particle. United States. doi:10.1103/PhysRevD.100.054011.
Kajantie, K., McLerran, Larry D., and Paatelainen, Risto. Fri .
"Gluon radiation from a classical point particle". United States. doi:10.1103/PhysRevD.100.054011.
@article{osti_1562136,
title = {Gluon radiation from a classical point particle},
author = {Kajantie, K. and McLerran, Larry D. and Paatelainen, Risto},
abstractNote = {We consider an initially at rest colored particle which is struck by an ultrarelativistic nucleus. The particle is treated classically with respect to both its motion and its color charge. The nucleus is treated as a sheet of colored glass within the context of the color glass condensate framework. We compute both the momentum and coordinates of the struck classical particle and the emitted radiation. Our computations generalize the classic electrodynamics computation of the radiation of an accelerated charged particle to include the radiation induced by the charged gluon field. This latter contribution adds to the classic electrodynamics result and produces a gluon rapidity distribution that is roughly constant as a function of rapidity at rapidities far from the fragmentation region of the struck particles. These computations may form the basis of a first principles treatment for the initial conditions for the evolution of matter produced in the fragmentation region of asymptotically high energy collisions.},
doi = {10.1103/PhysRevD.100.054011},
journal = {Physical Review D},
number = 5,
volume = 100,
place = {United States},
year = {2019},
month = {9}
}
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DOI: 10.1103/PhysRevD.100.054011
DOI: 10.1103/PhysRevD.100.054011
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