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Measurements of the nuclear modification factor for jets in Pb+Pb collisions at vs\mathrmNN=2.76 TeV with the ATLAS detector

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posted on 2023-06-09, 01:43 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, C A Chavez Barajas, Antonella De SantoAntonella De Santo, Fabrizio SalvatoreFabrizio Salvatore, I Santoyo Castillo, K Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, et al The ATLAS Collaboration
Measurements of inclusive jet production are performed in pp and Pb+Pb collisions at vsNN = 2.76 TeV with the ATLAS detector at the LHC, corresponding to integrated luminosities of 4.0 pb-1 and 0.14 nb-1, respectively. The jets are identified with the anti-kt algorithm with R = 0.4, and the spectra are measured over the kinematic range of jet transverse momentum 32 < pT < 500 GeV, and absolute rapidity |y| < 2.1 and as a function of collision centrality. The nuclear modification factor, RAA, is evaluated and jets are found to be suppressed by approximately a factor of two in central collisions compared to pp collisions. The RAA shows a slight increase with pT and no significant variation with rapidity.

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Publication status

  • Published

File Version

  • Published version

Journal

Physical Review Letters

ISSN

0031-9007

Publisher

American Physical Society

Issue

7

Volume

114

Page range

072302

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-06-17

First Open Access (FOA) Date

2016-06-17

First Compliant Deposit (FCD) Date

2016-06-17

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