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Title: 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}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevD.99.034006

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Cited by: 15 works
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Works referencing / citing this record:

Gluon emission from heavy quarks in dense nuclear matter
journal, September 2019


Diffusion of charm quarks in jets in high-energy heavy-ion collisions
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