Measurement of jet p(T) correlations in Pb+Pb and pp collisions at √sNN=2.76 TeV with the ATLAS detector

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dc.contributor.authorAaboud, M.
dc.contributor.authorAlbert, Justin
dc.contributor.authorChiu, Y. H.
dc.contributor.authorElliot, Alison A.
dc.contributor.authorFincke-Keeler, J.
dc.contributor.authorHamano, Kenji
dc.contributor.authorHill, Ewan Chin
dc.contributor.authorKeeler, Richard
dc.contributor.authorKowalewski, Robert
dc.contributor.authorKuwertz, E. S.
dc.contributor.authorKwan, Tony
dc.contributor.authorLeBlanc, Matthew Edgar
dc.contributor.authorLefebvre, Michel
dc.contributor.authorMcPherson, Robert A.
dc.contributor.authorPearce, James D.
dc.contributor.authorSeuster, Rolf
dc.contributor.authorSobie, Randall J.
dc.contributor.authorTrovatelli, M.
dc.contributor.authorVenturi, M.
dc.contributor.authoret al.
dc.contributor.authorATLAS Collaboration
dc.date.accessioned2019-11-21T20:00:41Z
dc.date.available2019-11-21T20:00:41Z
dc.date.copyright2017en_US
dc.date.issued2017
dc.description.abstractMeasurements of dijet Pt correlations in Pb+Pb and pp collisions at a nucleon-nucleon centre-of-mass energy of root s(NN) = 2.76 TeV are presented. The measurements are performed with the ATLAS detector at the Large Hadron Collider using Pb+Pb and pp data samples corresponding to integrated luminosities of 0.14 nb(-1)and 4.0 pb(-1) respectively. Jets are reconstructed using the anti-k(t) algorithm with radius parameter values R = 0.3 and R = 0.4. A background subtraction procedure is applied to correct the jets for the large underlying event present in Pb+Pb collisions. The leading and sub-leading jet transverse momenta are denoted p(T1) and p(T2). An unfolding procedure is applied to the two-dimensional (p(T1) , p(T2)) distributions to account for experimental effects in the measurement of both jets. Distributions of (1/N)dN/dx(J), where X-J = p(T2)/p(T1) , are presented as a function of p(T1) and collision centrality. The distributions are found to be similar in peripheral Pb+Pb collisions and pp collisions, but highly modified in central Pb+Pb collisions. Similar features are present in both the R = 0.3 and R = 0.4 results, indicating that the effects of the underlying event are properly accounted for in the measurement. The results are qualitatively consistent with expectations from partonic energy loss models. (c) 2017 The Author. Published by Elsevier B.V.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipWe acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; SRNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, Canarie, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, ERDF, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; CERCA Programme Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom.en_US
dc.identifier.citationAaboud, M.; Aad, G.; Abbott, B.; Abdallah, J.; Abdinov, O.; Abeloos, B.; … & Zwalinski, L. (2017). Measurement of jet p(T) correlations in Pb+Pb and pp collisions at √sNN=2.76 TeV with the ATLAS detector. Physics Letters B, 774, 379- 402. DOI: 10.1016/j.physletb.2017.09.078en_US
dc.identifier.urihttps://doi.org/10.1016/j.physletb.2017.09.078
dc.identifier.urihttp://hdl.handle.net/1828/11323
dc.language.isoenen_US
dc.publisherPhysics Letters Ben_US
dc.subject.departmentDepartment of Physics and Astronomy
dc.titleMeasurement of jet p(T) correlations in Pb+Pb and pp collisions at √sNN=2.76 TeV with the ATLAS detectoren_US
dc.typeArticleen_US

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