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Measurement of transverse momentum relative to dijet systems in PbPb and pp collisions at √sNN = 2.76 TeV

Author
The CMS collaboration; Albajar Molera, Carmenuntranslated; Fernández Trocóniz Acha, Jorgeuntranslated; Missiroli, M.; Moran, D.; Khachatryan, V.
Entity
UAM. Departamento de Física Teórica
Publisher
Springer Verlag; SISSA
Date
2016-01-04
Citation
Journal of High Energy Physics 2016.1 (2016): 6
ISSN
1029-8479 (online); 1126-6708 (print)
DOI
10.1007/JHEP01(2016)006
Funded by
Individuals have received support from the Marie-Curie programme and the European Research Council and EPLANET (European Union); the Leventis Foundation; the A. P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation `a la Recherche dans l’Industrie et dans l’Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS programme of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund; the OPUS programme of the National Science Center (Poland); the Compagnia di San Paolo (Torino); the Consorzio per la Fisica (Trieste); MIUR project 20108T4XTM (Italy); the Thalis and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF; the National Priorities Research Program by Qatar National Research Fund; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand); and the Welch Foundation, contract C-1845
Project
info:eu-repo/grantAgreement/EC/FP7/246806
Editor's Version
http://dx.doi.org/10.1007/JHEP01(2016)006
Subjects
Quark gluon plasma; Heavy-ion collision; Heavy ions; Física
URI
http://hdl.handle.net/10486/679380
Note
Journal of High Energy Physics 2016.1 (2016): 006 reproduced by permission of Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Artículo escrito por un elevado número de autores, sólo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiera, y los autores pertenecientes a la UAM
Rights
© 2016, The Author(s)

Licencia Creative Commons
Esta obra está bajo una Licencia Creative Commons Atribución 4.0 Internacional.

Abstract

An analysis of dijet events in PbPb and pp collisions is performed to explore the properties of energy loss by partons traveling in a quark-gluon plasma. Data are collected at a nucleon-nucleon center-of-mass energy of 2.76 TeV at the LHC. The distribution of transverse momentum (pT) surrounding dijet systems is measured by selecting charged particles in different ranges of pT and at different angular cones of pseudorapidity and azimuth. The measurement is performed as a function of centrality of the PbPb collisions, the pT asymmetry of the jets in the dijet pair, and the distance parameter R used in the anti-kT jet clustering algorithm. In events with unbalanced dijets, PbPb collisions show an enhanced multiplicity in the hemisphere of the subleading jet, with the pT imbalance compensated by an excess of low-pT particles at large angles from the jet axes
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Google™ Scholar:The CMS collaboration - Albajar Molera, Carmen - Fernández Trocóniz Acha, Jorge - Missiroli, M. - Moran, D. - Khachatryan, V.

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