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Title: Acoplanarity of a Lepton Pair to Probe the Electromagnetic Property of Quark Matter

Abstract

We investigate the $$P_{T}$$-broadening effects in dilepton production through photon-photon scattering in heavy ion collisions. The QED multiple interaction effect with the medium is found to be consistent with the recent observation of a low transverse momentum lepton pair from the ATLAS Collaboration at the LHC. We further comment on the magnetic broadening effect and point out a number of ways to disentangle these two mechanisms. In particular, the rapidity dependence of the $$P_{T}$$-broadening effect provides a unique probe to the magnetic effect.

Authors:
; ; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Natural Science Foundation of China (NNSFC)
OSTI Identifier:
1504808
Alternate Identifier(s):
OSTI ID: 1616083
Grant/Contract Number:  
AC02-05CH11231; 11575070
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 122 Journal Issue: 13; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
photon, lepton & quark production; quantum electrodynamics; quark-gluon plasma; relativistic heavy-ion collisions

Citation Formats

Klein, Spencer, Mueller, A. H., Xiao, Bo-Wen, and Yuan, Feng. Acoplanarity of a Lepton Pair to Probe the Electromagnetic Property of Quark Matter. United States: N. p., 2019. Web. doi:10.1103/PhysRevLett.122.132301.
Klein, Spencer, Mueller, A. H., Xiao, Bo-Wen, & Yuan, Feng. Acoplanarity of a Lepton Pair to Probe the Electromagnetic Property of Quark Matter. United States. doi:10.1103/PhysRevLett.122.132301.
Klein, Spencer, Mueller, A. H., Xiao, Bo-Wen, and Yuan, Feng. Wed . "Acoplanarity of a Lepton Pair to Probe the Electromagnetic Property of Quark Matter". United States. doi:10.1103/PhysRevLett.122.132301.
@article{osti_1504808,
title = {Acoplanarity of a Lepton Pair to Probe the Electromagnetic Property of Quark Matter},
author = {Klein, Spencer and Mueller, A. H. and Xiao, Bo-Wen and Yuan, Feng},
abstractNote = {We investigate the $P_{T}$-broadening effects in dilepton production through photon-photon scattering in heavy ion collisions. The QED multiple interaction effect with the medium is found to be consistent with the recent observation of a low transverse momentum lepton pair from the ATLAS Collaboration at the LHC. We further comment on the magnetic broadening effect and point out a number of ways to disentangle these two mechanisms. In particular, the rapidity dependence of the $P_{T}$-broadening effect provides a unique probe to the magnetic effect.},
doi = {10.1103/PhysRevLett.122.132301},
journal = {Physical Review Letters},
number = 13,
volume = 122,
place = {United States},
year = {2019},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevLett.122.132301

Citation Metrics:
Cited by: 3 works
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