Decomposing transverse momentum balance contributions for quenched jets in PbPb collisions at √sNN = 2.76 TeV
Author(s)
Abercrombie, Daniel Robert; Allen, Brandon Leigh; Apyan, Aram; Barbieri, Richard Alexander; Baty, Austin Alan; Bi, Ran; Bierwagen, Katharina; Brandt, Stephanie Akemi; Busza, Wit; Cali, Ivan Amos; Demiragli, Zeynep; Di Matteo, Leonardo; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hsu, Dylan George; Iiyama, Yutaro; Innocenti, Gian Michele; Klute, Markus; Kovalskyi, Dmytro; Krajczar, Krisztian F.; Lai, Yue Shi; Lee, Yen-Jie; Levin, Andrew Michael; Luckey Jr, P David; Marini, Andrea Carlo; McGinn, Christopher Francis; Mironov, Camelia Maria; Narayanan, Siddharth Madhavan; Niu, Xinmei; Paus, Christoph M. E.; Roland, Christof E; Roland, Gunther M; Salfeld-Nebgen, Jakob Maxillian Henry; Stephans, George S. F.; Sumorok, Konstanty C; Tatar, Kaya; Varma, Mukund Madhav; Velicanu, Dragos Alexandru; Veverka, Jan; Wang, J.; Wyslouch, Boleslaw; Yang, M.; Wyslouch, Victoria; ... Show more Show less
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Interactions between jets and the quark-gluon plasma produced in heavy ion collisions are studied via the angular distributions of summed charged-particle transverse momenta (p[subscript T]) with respect to both the leading and subleading jet axes in high-p[subscript T] dijet events. The contributions of charged particles in different momentum ranges to the overall event p[subscript T] balance are decomposed into short-range jet peaks and a long-range azimuthal asymmetry in charged-particle p[subscript T]. The results for PbPb collisions are compared to those in pp collisions using data collected in 2011 and 2013, at collision energy √sNN = 2.76 TeV with integrated luminosities of 166 μb[superscript −1] and 5.3 pb[superscript −1], respectively, by the CMS experiment at the LHC. Measurements are presented as functions of PbPb collision centrality, charged-particle p[subscript T], relative azimuth, and radial distance from the jet axis for balanced and unbalanced dijets. Keywords: Jet substructure, Heavy Ion Experiments, Heavy-ion collision, Quark gluon plasma
Date issued
2016-11Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Journal of High Energy Physics
Publisher
Springer Nature
Citation
The CMS collaboration, et al. “Decomposing Transverse Momentum Balance Contributions for Quenched Jets in PbPb Collisions at √sNN =2. 76 TeV.” Journal of High Energy Physics, vol. 2016, no. 11, Nov. 2016. © 2016 The Authors
Version: Final published version
ISSN
1029-8479