Measurement of the nuclear modification factor for inclusive jets in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector

Collaboration, ATLAS and Barton, A.E. and Bertram, I.A. and Borissov, G. and Bouhova -Thacker, E.V. and Burke, S. and Cao, Y. and Catmore, J.R. and Dewhurst, A. and Fox, H. and Grimm, K. and Henderson, R.C.W. and Hunter, R.F.H. and Janssen, J. and Jones, R.W.L. and Kartvelishvili, V. and Kim, Y.K. and Long, R.E. and Love, P.A. and Ma, Y. and Meng, X.T. and Muenstermann, D. and Price, D. and Sen, S. and Smizanska, M. and Solovyev, V. and Sopczak, A. and Tee, A.S. and Walder, J. and Wharton, A.M. and Whitmore, B.W. and Yamazaki, Y. and Ye, S. (2019) Measurement of the nuclear modification factor for inclusive jets in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector. Physics Letters B, 790. pp. 108-128. ISSN 0370-2693

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Abstract

Measurements of the yield and nuclear modification factor, R-AA, for inclusive jet production are performed using 0.49 nb(-1) of Pb+Pb data at root s(NN) = 5.02 TeV and 25 pb(-1) of Pb+Pb data at root s = 5.02 TeV with the ATLAS detector at the LHC. Jets are reconstructed with the anti-k(t) algorithm with radius parameter R = 0.4 and are measured over the transverse momentum range of 40-1000 GeV in six rapidity intervals covering vertical bar y vertical bar <2.8. The magnitude of R-AA increases with increasing jet transverse momentum, reaching a value of approximately 0.6 at 1 TeV in the most central collisions. The magnitude of R-AA also increases towards peripheral collisions. The value of R-AA is independent of rapidity at low jet transverse momenta, but it is observed to decrease with increasing rapidity at high transverse momenta. (C) 2019 The Author. Published by Elsevier B.V.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
131069
Deposited By:
Deposited On:
05 Feb 2019 12:05
Refereed?:
Yes
Published?:
Published
Last Modified:
24 Nov 2020 07:11