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Title: Jet Measurements with Neutral and Di-jet Triggers in Central Au + Au Collisions at s N N = 200  GeV with STAR

Abstract

We present two measurements related to jet production in p+p and central Au+Au collisions at $$\sqrt{s}$$NN=200 GeV. Firstly, a study of semi-inclusive charged recoil jets coincident with high-pT direct-photon and neutral pions, and secondly, the hadron correlations with respect to reconstructed di-jet triggers. Indication of medium effects is observed by comparing γ+jet and π 0+jet measurements. In conclusion, the di-jet+hadron study shows signs that the medium-induced modifications of an imbalanced set of di-jets with “hard cores” primarily affect the recoil jet.

Authors:
 [1]
  1. Texas A & M Univ., College Station, TX (United States)
Publication Date:
Research Org.:
Texas A & M Univ., College Station, TX (United States); Wayne State Univ., Detroit, MI (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1502385
Grant/Contract Number:  
FG02-07ER41485; FG02-92ER40713
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Physics. A
Additional Journal Information:
Journal Volume: 967; Journal Issue: C; Journal ID: ISSN 0375-9474
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; direct-photon; jets; di-jet; correlations; Quark Gluon Plasma

Citation Formats

Sahoo, Nihar Ranjan. Jet Measurements with Neutral and Di-jet Triggers in Central Au + Au Collisions at sNN=200 GeV with STAR. United States: N. p., 2017. Web. doi:10.1016/j.nuclphysa.2017.06.030.
Sahoo, Nihar Ranjan. Jet Measurements with Neutral and Di-jet Triggers in Central Au + Au Collisions at sNN=200 GeV with STAR. United States. doi:10.1016/j.nuclphysa.2017.06.030.
Sahoo, Nihar Ranjan. Mon . "Jet Measurements with Neutral and Di-jet Triggers in Central Au + Au Collisions at sNN=200 GeV with STAR". United States. doi:10.1016/j.nuclphysa.2017.06.030. https://www.osti.gov/servlets/purl/1502385.
@article{osti_1502385,
title = {Jet Measurements with Neutral and Di-jet Triggers in Central Au + Au Collisions at sNN=200 GeV with STAR},
author = {Sahoo, Nihar Ranjan},
abstractNote = {We present two measurements related to jet production in p+p and central Au+Au collisions at $\sqrt{s}$NN=200 GeV. Firstly, a study of semi-inclusive charged recoil jets coincident with high-pT direct-photon and neutral pions, and secondly, the hadron correlations with respect to reconstructed di-jet triggers. Indication of medium effects is observed by comparing γ+jet and π0+jet measurements. In conclusion, the di-jet+hadron study shows signs that the medium-induced modifications of an imbalanced set of di-jets with “hard cores” primarily affect the recoil jet.},
doi = {10.1016/j.nuclphysa.2017.06.030},
journal = {Nuclear Physics. A},
number = C,
volume = 967,
place = {United States},
year = {2017},
month = {9}
}

Journal Article:
Free Publicly Available Full Text
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Figures / Tables:

Fig. 1. Fig. 1.: Left panel: The p$^{reco,ch}_{ T,jet}$ distribution of $π$0+jet in 0%-10% central Au+Au collisions at $\sqrt{^ sNN}$ =200 GeV. SE (star marker), ME (black shaded region) and normalised ME (blue shaded region) represent same event, mixed event, and the normalization region, respectively. Right panel: The corrected p$^{ch}_{ T,jet}$ distributionmore » of both $π$0+jet and h± + jet [3] in 0%-10% central Au+Au collisions at $\sqrt{^ sNN}$ =200 GeV. The shaded bands represent the systematic uncertainty.« less

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