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| 題名: | Studies of inclusive four-jet production with two b -tagged jets in proton-proton collisions at 7 TeV STUDIES of INCLUSIVE FOUR-JET PRODUCTION with ⋯ V. KHACHATRYAN et al. |
| 作者: | 林宗泰;Bergauer, T;Saini, LK;Skhirtladze, N;Kirsanov, M;Jabeen, S;Tonjes, MB;Marini, AC;Wyslouch, B;Caudron, A;Avdeeva, E;Dolen, J;Lannon, K;Meng, F;Chistov, R;Roberts, J;Walker, M;Spanier, S;Velkovska, J;Jarry, P;Locci, E;Zghiche, A;Salerno, R;Beauceron, S;Gascon, S;Perries, S;Autermann, C;Duchardt, D;Merschmeyer, M;Padeken, K;Kieseler, J;Deroover, K;Friese, R;Moreels, L;Olbrechts, A;Majumdar, N;Ganguly, S;Perez-Calero Yzquierdo, A;Hosseinabadi, FR;Safarzadeh, B;Maggi, M;Seva, T;Monge, MR;Govoni, P;Esposito, M;Ratti, SP;Salvini, P;Cipriani, M;Fernandez, M;Ruspa, M;Lee, B;Ryu, G;Ali, MABM;Idris, FM;Vilar Cortabitarte, R;Kornmayer, A;Kousouris, K;Lourenco, C;Meijers, F;Meister, D;Nessi-Tedaldi, F;Custodio, A;Starodumov, A;Wallny, R;Ngadiuba, J;Lin, W;Lu, YJ;Eskut, E;Walczak, M;Isildak, B;Cankocak, K;Nogima, H;Faccioli, P;Davies, G;Futyan, D;Mastrolorenzo, L;Richards, A;Reid, ID;Forthomme, L;Ellison, J;Lacroix, F;Macneill, I;Dutta, V;Geffert, P;Bornheim, A;Vogel, H;Vorobiev, I;Francois, B;Mirman, N;Rinkevicius, A;Freeman, J;Gottschalk, E;Gutsche, O;Voytishin, N;Bian, JG;Carver, M;Yelton, J;Shaheen, SM;Merlo, J-P;Ozok, F;Tiras, E |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Astronomy & Astrophysics;Particles & Fields;Physical Sciences;Physics;Science & Technology |
| 日期: | 2016-12-08 |
| 上傳時間: | 2026-04-23 14:28:14 (UTC+8) |
| 出版者: | AMER PHYSICAL SOC |
| 摘要: | 摘要： Measurements are presented of the cross section for the production of at least four jets, of which at least two originate from b quarks, in proton-proton collisions. Data collected with the CMS detector at the LHC at a center-of-mass energy of 7 TeV are used, corresponding to an integrated luminosity of 3 pb−1. The cross section is measured as a function of the jet transverse momentum for pT > 20 GeV, and of the jet pseudorapidity for jηj < 2.4 (b jets), 4.7 (untagged jets). The correlations in azimuthal angle and pT between the jets are also studied. The inclusive cross section is measured to be σðpp → 2b þ 2j þ XÞ ¼ 69 3ðstatÞ 24ðsystÞ nb. The η and pT distributions of the four jets and the correlations between them are well reproduced by event generators that combine perturbative QCD calculations at next-to-leading-order accuracy with contributions from parton showers and multiparton interactions.
出版者： AMER PHYSICAL SOC
出版日期： 2016-12-08
識別號： ISSN: 2470-0029
識別號： ISSN: 2470-0010
識別號： DOI: 10.1103/PhysRevD.94.112005 |
| 顯示於類別: | [物理學系] 期刊論文
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