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| 題名: | Study of the underlying event at forward rapidity in pp collisions at √s = 0.9, 2.76, and 7 TeV |
| 作者: | 張元翰;Chatrchyan, S;Tumasyan, A;Jeitler, M;Knünz, V;Van Mulders, P;Wang, J;Martins, T;Aldá Júnior, W L;Marinho, F;Hadjiiska, R;Litov, L;Pavlov, B;Kortelainen, M J;Wendland, L;Dejardin, M;Titov, M;Veelken, C;Le Bihan, A-c;Hebbeker, T;Krämer, M;Krücker, D;Ribeiro Cipriano, P M;Haller, J;Schröder, M;Nürnberg, A;Rabbertz, K;Troendle, D;Malhotra, S;Chatterjee, R M;Mazumdar, K;Arfaei, H;Khakzad, M;Creanza, D;Rossi, A M;Chiorboli, M;Piccolo, D;Menasce, D;Gasparini, F;Dell'orso, R;Soffi, L;Costa, M;Schizzi, A;Castilla-valdez, H;Toropin, A;Epshteyn, V;Shreyber, I;Dremin, I;Battilana, C;Hernandez, J M;Folgueras, S;Chuang, S H;Breuker, H;Lenzi, P;Veres, G I;Eller, P;Karapinar, G;Ozdemir, K;Kaya, O;Kennedy, B W;Jarvis, M;Reid, I D;Symonds, P;Turner, M;Henderson, C;Rohlf, J;Demiragli, Z;Landsberg, G;Chauhan, S;Conway, J;Flowers, K;Apresyan, A;Xie, S;Hooberman, B;Mcbride, P;Tran, N V;Uplegger, L;Vaandering, E W;Hugon, J;Korytov, A;Cavanaugh, R;Wetzel, J;Barnett, B A;Gronberg, J;Tonjes, M B;Roland, C;Iashvili, I;Rappoccio, S;Geurts, F J;M;Roberts, J;Han, J;Chou, J P;Hidas, D;Lath, A;Sengupta, S;Greene, S;Sharma, M;Balazs, M;Grogg, K S;Herndon, M;Loveless, R |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | High energy physics |
| 日期: | 2013-01-01 |
| 上傳時間: | 2026-04-23 14:35:42 (UTC+8) |
| 出版者: | Heidelberg: Springer Nature B.V |
| 摘要: | 摘要： (ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Abstract The underlying event activity in proton-proton collisions at forward pseudo-rapidity (-6.6 < [eta] < -5.2) is studied with the CMS detector at the LHC, using a novel observable: the ratio of the forward energy density, dE/d[eta], for events with a charged-particle jet produced at central pseudorapidity (|[eta] ^sup jet^| < 2) to the forward energy density for inclusive events. This forward energy density ratio is measured as a function of the central jet transverse momentum, p ^sub T^, at three different pp centre-of-mass energies (..., 2.76, and 7 TeV). In addition, the ... evolution of the forward energy density is studied in inclusive events and in events with a central jet. The results are compared to those of Monte Carlo event generators for pp collisions and are discussed in terms of the underlying event. Whereas the dependence of the forward energy density ratio on jet p ^sub T^ at each ... separately can be well reproduced by some models, all models fail to simultaneously describe the increase of the forward energy density with ... in both inclusive events and in events with a central jet. [Figure not available: see fulltext.]
出版者： Heidelberg: Springer Nature B.V
出版日期： 2013-04-01
出處： The journal of high energy physics, 2013-04, Vol.2013 (4), p.1
資源來源： Publicly available content database
版權： SISSA, Trieste, Italy 2013
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP04(2013)072 |
| 顯示於類別: | [物理學系] 期刊論文
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