Light and heavy flavor dijet production and dijet mass modification in heavy ion collisions
Abstract
Back-to-back light and heavy flavor dijet measurements are promising experimental channels to accurately study the physics of jet production and propagation in a dense QCD medium. They can provide new insights into the path length, color charge, and mass dependence of quark and gluon energy loss in the quark-gluon plasma produced in reactions of ultrarelativistic nuclei. To this end, we perform a comprehensive study of both light and heavy flavor dijet production in heavy ion collisions. We propose the modification of dijet invariant mass distributions in such reactions as a novel observable that shows enhanced sensitivity to the quark-gluon plasma transport properties and heavy quark mass effects on in-medium parton showers. This is achieved through the combination of the jet quenching effects on the individual jets as opposed to their subtraction. The latter drives the subtle effects on more conventional observables, such as the dijet momentum imbalance shifts, which we also calculate here. Results are presented in Pb+Pb collisions at √sNN = 5.02 TeV for comparison to data at the Large Hadron Collider and in Au + Au collisions at √sNN = 200 GeV to guide the future sPHENIX program at the Relativistic Heavy Ion Collider.
- Authors:
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF)
- OSTI Identifier:
- 1494858
- Alternate Identifier(s):
- OSTI ID: 1772418
- Report Number(s):
- LA-UR-19-22344
Journal ID: ISSN 2470-0010; PRVDAQ; 034006
- Grant/Contract Number:
- AC52-06NA25396; 89233218CNA000001; PHY-1720486
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 99 Journal Issue: 3; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; atomic, nuclear and particle physics; effective field theory; hard scattering; jets & heavy flavor physics; quantum chromodynamics; quark & gluon jets; quark-gluon plasma; relativistic heavy-ion collisions; bottom quark
Citation Formats
Kang, Zhong-Bo, Reiten, Jared, Vitev, Ivan, and Yoon, Boram. Light and heavy flavor dijet production and dijet mass modification in heavy ion collisions. United States: N. p., 2019.
Web. doi:10.1103/PhysRevD.99.034006.
Kang, Zhong-Bo, Reiten, Jared, Vitev, Ivan, & Yoon, Boram. Light and heavy flavor dijet production and dijet mass modification in heavy ion collisions. United States. https://doi.org/10.1103/PhysRevD.99.034006
Kang, Zhong-Bo, Reiten, Jared, Vitev, Ivan, and Yoon, Boram. Fri .
"Light and heavy flavor dijet production and dijet mass modification in heavy ion collisions". United States. https://doi.org/10.1103/PhysRevD.99.034006.
@article{osti_1494858,
title = {Light and heavy flavor dijet production and dijet mass modification in heavy ion collisions},
author = {Kang, Zhong-Bo and Reiten, Jared and Vitev, Ivan and Yoon, Boram},
abstractNote = {Back-to-back light and heavy flavor dijet measurements are promising experimental channels to accurately study the physics of jet production and propagation in a dense QCD medium. They can provide new insights into the path length, color charge, and mass dependence of quark and gluon energy loss in the quark-gluon plasma produced in reactions of ultrarelativistic nuclei. To this end, we perform a comprehensive study of both light and heavy flavor dijet production in heavy ion collisions. We propose the modification of dijet invariant mass distributions in such reactions as a novel observable that shows enhanced sensitivity to the quark-gluon plasma transport properties and heavy quark mass effects on in-medium parton showers. This is achieved through the combination of the jet quenching effects on the individual jets as opposed to their subtraction. The latter drives the subtle effects on more conventional observables, such as the dijet momentum imbalance shifts, which we also calculate here. Results are presented in Pb+Pb collisions at √sNN = 5.02 TeV for comparison to data at the Large Hadron Collider and in Au + Au collisions at √sNN = 200 GeV to guide the future sPHENIX program at the Relativistic Heavy Ion Collider.},
doi = {10.1103/PhysRevD.99.034006},
journal = {Physical Review D},
number = 3,
volume = 99,
place = {United States},
year = {Fri Feb 15 00:00:00 EST 2019},
month = {Fri Feb 15 00:00:00 EST 2019}
}
https://doi.org/10.1103/PhysRevD.99.034006
Web of Science
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