Event plane dependence of the flow modulated background in dihadron and jet-hadron correlations in heavy ion collisions
Abstract
Di-hadron and jet-hadron correlations are commonly used in relativistic heavy ion collisions to study the soft component of jets in a quark gluon plasma. There is a large correlated background which is described by the Fourier decomposition of the azimuthal anisotropy where vn is the nth order coefficient. The path length dependence of partonic energy loss can be studied by varying the angle of the high momentum trigger particle or jet relative to a reconstructed event plane. This modifies the shape of the background correlated with that event plane. The original derivation of the shape of this background only considered correlations relative to the second order event plane, which is correlated to the initial participant plane. We derive the shape of this background for an event plane at an arbitrary order. There is a phase shift in the case of jets restricted to asymmetric regions relative to the event plane. For realistic correlations between event planes, the correlation between the second and fourth order event planes leads to a much smaller effect than the finite event plane resolution at each order. Lastly, we assess the status of the rapidity even v1 term due to low, which has been measured tomore »
- Authors:
-
- Univ. of Tennessee, Knoxville, TN (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1496578
- Alternate Identifier(s):
- OSTI ID: 1439388
- Report Number(s):
- BNL-211296-2019-JAAM
Journal ID: ISSN 2469-9985; PRVCAN
- Grant/Contract Number:
- SC0012704; FG02-96ER40982
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 97; Journal Issue: 5; 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, and Todoroki, Takahito. Event plane dependence of the flow modulated background in dihadron and jet-hadron correlations in heavy ion collisions. United States: N. p., 2018.
Web. doi:10.1103/PhysRevC.97.054911.
Nattrass, Christine, & Todoroki, Takahito. Event plane dependence of the flow modulated background in dihadron and jet-hadron correlations in heavy ion collisions. United States. https://doi.org/10.1103/PhysRevC.97.054911
Nattrass, Christine, and Todoroki, Takahito. Tue .
"Event plane dependence of the flow modulated background in dihadron and jet-hadron correlations in heavy ion collisions". United States. https://doi.org/10.1103/PhysRevC.97.054911. https://www.osti.gov/servlets/purl/1496578.
@article{osti_1496578,
title = {Event plane dependence of the flow modulated background in dihadron and jet-hadron correlations in heavy ion collisions},
author = {Nattrass, Christine and Todoroki, Takahito},
abstractNote = {Di-hadron and jet-hadron correlations are commonly used in relativistic heavy ion collisions to study the soft component of jets in a quark gluon plasma. There is a large correlated background which is described by the Fourier decomposition of the azimuthal anisotropy where vn is the nth order coefficient. The path length dependence of partonic energy loss can be studied by varying the angle of the high momentum trigger particle or jet relative to a reconstructed event plane. This modifies the shape of the background correlated with that event plane. The original derivation of the shape of this background only considered correlations relative to the second order event plane, which is correlated to the initial participant plane. We derive the shape of this background for an event plane at an arbitrary order. There is a phase shift in the case of jets restricted to asymmetric regions relative to the event plane. For realistic correlations between event planes, the correlation between the second and fourth order event planes leads to a much smaller effect than the finite event plane resolution at each order. Lastly, we assess the status of the rapidity even v1 term due to low, which has been measured to be comparable to v2 and v3 terms.},
doi = {10.1103/PhysRevC.97.054911},
journal = {Physical Review C},
number = 5,
volume = 97,
place = {United States},
year = {Tue May 29 00:00:00 EDT 2018},
month = {Tue May 29 00:00:00 EDT 2018}
}
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Figures / Tables:
FIG. 1: Shape of correlations relative to the (a) $j$ = 2 participant plane with $c$ = $π$/6 and (b) $j$ = 3 participant plane with $c$ = $π$/9 for different orientations of the trigger relative to the participant plane for $v^{t}_{2}$ = $v^{a}_{2}$ = $v^{t}_{3}$ = $v^{a}_{3}$ = 0.1,more »
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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.