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| 題名: | Correlations between jets and charged particles in PbPb and pp collisions at sNN=2.76 TeV |
| 作者: | 林宗泰;Rahbaran, B.;Schieck, J.;Tavernier, S.;Brun, H.;Caillol, C.;Clerbaux, B.;Seva, T.;Zenoni, F.;Crucy, S.;Poyraz, D.;Tonelli Manganote, E. J.;Gregores, E. M.;Leggat, D.;Spiezia, A.;Cabrera, A.;Attikis, A.;Murumaa, M.;Lampén, T.;Lehti, S.;Ferri, F.;Collard, C.;Beauceron, S.;Duchardt, D.;Erdmann, M.;Heidemann, C.;Dorland, T.;Naumann-Emme, S.;Höing, R. S.;Steinbrück, G.;Troendle, D.;Baus, C.;De Boer, W.;Hartmann, F.;Wagner-Kuhr, J.;Wolf, R.;Swain, S. K.;Pant, L. M.;Shukla, P.;Banerjee, S.;Ranieri, A.;Campanini, R.;Marcellini, S.;Lista, L.;Saha, A.;Venturi, A.;Kim, D. H.;Lee, J.;Yusli, M. N.;Byszuk, A.;Bunin, P.;Golutvin, I.;Lanev, A.;Kim, V.;Azhgirey, I.;Konstantinov, D.;Alcaraz Maestre, J.;Flix, J.;Lopez Virto, A.;Dorney, B.;Guida, R.;Schönenberger, M.;Hinzmann, A.;Pozdnyakov, A.;Singh, G.;Dumanoglu, I.;Sen, S.;Ball, F.;Heath, H. F.;Hall, G.;Iles, G.;Magnan, A.-M.;Pesaresi, M.;Khan, A.;Rankin, D.;Rohlf, J.;Erbacher, R.;Pilot, J.;Padhi, S.;Chen, Y.;Eggert, N.;Freeman, J.;Joshi, U.;Carnes, A.;Adams, M. R.;Bilki, B.;Moeller, A.;Blumenfeld, B.;Benelli, G.;Busza, W.;Kubota, Y.;Kamalieddin, R.;Wood, D.;Musienko, Y.;Kumar, A.;Padley, B. P.;Lo, K. H.;Eusebi, R.;Lee, S. W.;Loveless, R.;Pierro, G. A. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Classical and Quantum Gravitation;Elementary Particles;Physics;Physics and Astronomy;Quantum Field Theories;Quantum Field Theory;Quantum Physics;Regular Article - Experimental Physics;Relativity Theory;String Theory |
| 日期: | 2016-02-01 |
| 上傳時間: | 2026-04-23 11:50:18 (UTC+8) |
| 出版者: | Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： A bstract The quark-gluon plasma is studied via medium-induced changes to correlations between jets and charged particles in PbPb collisions compared to pp reference data. This analysis uses data sets from PbPb and pp collisions with integrated luminosities of 166 μ b −1 and 5.3 pb −1 , respectively, collected at s N N = 2.76 TeV. The angular distributions of charged particles are studied as a function of relative pseudorapidity (Δ η ) and relative azimuthal angle (Δ ϕ ) with respect to reconstructed jet directions. Charged particles are correlated with all jets with transverse momentum ( p T ) above 120 GeV, and with the leading and subleading jets (the highest and second-highest in p T , respectively) in a selection of back-to-back dijet events. Modifications in PbPb data relative to pp reference data are characterized as a function of PbPb collision centrality and charged particle p T . A centrality-dependent excess of low- p T particles is present for all jets studied, and is most pronounced in the most central events. This excess of low- p T particles follows a Gaussian-like distribution around the jet axis, and extends to large relative angles of Δ η ≈ 1 and Δ ϕ ≈ 1.
其他題名： J. High Energ. Phys
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2016-02-23
出處： The journal of high energy physics, 2016-02, Vol.2016 (2)
資源來源： Publicly Available Content Database
版權： The Author(s) 2016
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP02(2016)156 |
| 顯示於類別: | [物理學系] 期刊論文
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