articlePhysical Review CAug 12, 2011LVHYBRID OA

Observation and studies of jet quenching in PbPb collisions at s N N = 2.76 TeV

A. Alikhanyan National Laboratory · Institute of High Energy Physics · +182 more institutions

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Abstract

Jet production in PbPb collisions at a nucleon-nucleon center-of-mass energy of 2.76 TeV was studied with the Compact Muon Solenoid (CMS) detector at the LHC, using a data sample corresponding to an integrated luminosity of $6.7\phantom{\rule{0.28em}{0ex}}\ensuremath{\mu}$b${}^{\ensuremath{-}1}$. Jets are reconstructed using the energy deposited in the CMS calorimeters and studied as a function of collision centrality. With increasing collision centrality, a striking imbalance in dijet transverse momentum is observed, consistent with jet quenching. The observed effect extends from the lower cutoff used in this study (jet ${p}_{\mathrm{T}}=120$ GeV/c) up to the statistical limit of the available data sample…

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Authors

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Topics & keywords

Keywords
  • Physics
  • Nuclear physics
  • Jet quenching
  • Particle physics
  • Large Hadron Collider
  • Nucleon
  • Jet (fluid)
  • Quark–gluon plasma
UN Sustainable Development Goals
  • Affordable and clean energy
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