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Title: Reexamining the iconic dihadron correlation measurement demonstrating jet quenching

Abstract

We report that early measurements at the BNL Relativistic Heavy Ion Collider (RHIC) demonstrated jet quenching through the suppression of pairs of high momentum hadrons. These dihadron correlations have a large correlated background. As understanding of the background improved, it was recognized in the field that a significant term was omitted from the background and several dihadron correlation results were quantitatively and qualitatively incorrect. The original measurements demonstrating jet quenching have not been revisited. These measurements are repeated in this paper in a kinematic range similar to the original measurement using publicly available data, applying current knowledge about the background. Finally, the new results are qualitatively consistent with the previous results, demonstrating complete suppression of the away side within uncertainties.

Authors:
 [1]
  1. Univ. of Tennessee, Knoxville, TN (United States). Department of Physics and Astronomy
Publication Date:
Research Org.:
Univ. of Tennessee, Knoxville, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1430061
Alternate Identifier(s):
OSTI ID: 1430146
Grant/Contract Number:  
FG02-96ER40982
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 97; Journal Issue: 3; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Nattrass, Christine. Reexamining the iconic dihadron correlation measurement demonstrating jet quenching. United States: N. p., 2018. Web. doi:10.1103/PhysRevC.97.034916.
Nattrass, Christine. Reexamining the iconic dihadron correlation measurement demonstrating jet quenching. United States. doi:10.1103/PhysRevC.97.034916.
Nattrass, Christine. Wed . "Reexamining the iconic dihadron correlation measurement demonstrating jet quenching". United States. doi:10.1103/PhysRevC.97.034916. https://www.osti.gov/servlets/purl/1430061.
@article{osti_1430061,
title = {Reexamining the iconic dihadron correlation measurement demonstrating jet quenching},
author = {Nattrass, Christine},
abstractNote = {We report that early measurements at the BNL Relativistic Heavy Ion Collider (RHIC) demonstrated jet quenching through the suppression of pairs of high momentum hadrons. These dihadron correlations have a large correlated background. As understanding of the background improved, it was recognized in the field that a significant term was omitted from the background and several dihadron correlation results were quantitatively and qualitatively incorrect. The original measurements demonstrating jet quenching have not been revisited. These measurements are repeated in this paper in a kinematic range similar to the original measurement using publicly available data, applying current knowledge about the background. Finally, the new results are qualitatively consistent with the previous results, demonstrating complete suppression of the away side within uncertainties.},
doi = {10.1103/PhysRevC.97.034916},
journal = {Physical Review C},
number = 3,
volume = 97,
place = {United States},
year = {2018},
month = {3}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Figures / Tables:

FIG. 1 FIG. 1: Dihadron correlations with 4 <more » $p$$t\atop{T}$ < 6 GeV/c and 2 < $p$$t\atop{T}$ < 4 GeV/c from minimum bias $d$+Au collisions at √ sNN = 200 GeV from [19], 20–60% central Au+Au collisions at √ sNN = 200 GeV from [19] reanalyzed in [37], central Au+Au collisions at √ sNN = 200 GeV from [12], and 0–12% collisions from [20] reanalyzed using both the NSF method described in [37] and the ZYAM method using $v$2 from [20] and $v$3 from [25].« less

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.