Jet momentum dependence of jet quenching in PbPb collisions at sNN=2.76 TeV

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题名:	Jet momentum dependence of jet quenching in PbPb collisions at sNN=2.76 TeV
作者:	張元翰;Chatrchyan, S.;Wagner, P.;Waltenberger, W.;Luyckx, S.;Roland, B.;Clerbaux, B.;Gay, A.P.R.;Adler, V.;Costantini, S.;Liao, J.;Alves, G.A.;Souza, M.H.G.;Novaes, S.F.;Tcholakov, V.;Ban, Y.;Guo, S.;Teng, H.;Mahmoud, M.A.;Tuominiemi, J.;Sillou, D.;Cardaci, M.;Fassi, F.;Falkiewicz, A.;Beranek, S.;Heidemann, C.;Merschmeyer, M.;Pieta, H.;Bethani, A.;Dierlamm, A.;Hoffmann, K.H.;Rabbertz, K.;Khurana, R.;Aziz, T.;Fasanella, D.;Gennai, S.;Carrillo Montoya, C.A.;Meola, S.;Ronchese, P.;Fanò, L.;Martini, L.;Kim, D.H.;Park, H.;Choi, Y.K.;Doesburg, R.;Shoaib, M.;Górski, M.;Zalewski, P.;Shmatov, S.;Uvarov, L.;Cerrada, M.;Chamizo Llatas, M.;Ferrando, A.;Duarte Campderros, J.;Kaadze, K.;Moser, R.;Nguyen, M.;Palencia Cortezon, E.;Rolandi, G.;Kotlinski, D.;Aguilo, E.;Liu, Z.K.;Chen, K.F.;Gamsizkan, H.;Bostock, F.;Kreczko, L.;Olaiya, E.;Gilbert, A.;Guneratne Bryer, A.;Leslie, D.;Chauhan, S.;Rakness, G.;Wasserbaech, S.;West, C.;Johnson, M.;Maeshima, K.;McBride, P.;Wu, W.;Fu, Y.;Linn, S.;Gleyzer, S.V.;Apanasevich, L.;Bolognesi, S.;Zhukova, V.;Chakaberia, I.;Calvert, B.;Sung, K.;Cooper, S.I.;Haupt, J.;Dominguez, A.;Kubik, A.;Olsen, J.;Benedetti, D.;Kress, M.;Salur, S.;Damgov, J.;Florez, C.;Balazs, M.;Anderson, M.;Bachtis, M.;Savin, A.
贡献者:	理學院物理學系
关键词:	CMS;Exact sciences and technology;Heavy ion;Jet;Nuclear physics;Physics;The physics of elementary particles and fields
日期:	2012-06-06
上传时间:	2026-04-23 12:07:51 (UTC+8)
出版者:	Kidlington: Elsevier B.V
摘要:	摘要： Dijet production in PbPb collisions at a nucleon–nucleon center-of-mass energy of 2.76 TeV is studied with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 150 μb−1 is analyzed. Jets are reconstructed using combined information from tracking and calorimetry, using the anti-kT algorithm with R=0.3. The dijet momentum balance and angular correlations are studied as a function of collision centrality and leading jet transverse momentum. For the most peripheral PbPb collisions, good agreement of the dijet momentum balance distributions with pp data and reference calculations at the same collision energy is found, while more central collisions show a strong imbalance of leading and subleading jet transverse momenta attributed to the jet-quenching effect. The dijets in central collisions are found to be more unbalanced than the reference, for leading jet transverse momenta up to the highest values studied. 出版者： Kidlington: Elsevier B.V 出版日期： 2012-06-06 出處： Physics letters. B, 2012-06, Vol.712 (3), p.176-197 資源來源： Elsevier ScienceDirect Journals Complete 版權： 2012 CERN 版權： 2015 INIST-CNRS 識別號： ISSN: 0370-2693 識別號： EISSN: 1873-2445 識別號： DOI: 10.1016/j.physletb.2012.04.058 識別號： CODEN: PYLBAJ
显示于类别:	[物理學系] 期刊論文

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