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| 題名: | Measurement of jet multiplicity distributions in (Formula presented.) production in pp collisions at (Formula presented.) |
| 作者: | 林宗泰;Chatrchyan, S;Tumasyan, A;Frühwirth, R;Jeitler, M;Knünz, V;Keaveney, J;Costantini, S;Thyssen, F;Da Silveira, G G;thomme, L;Jez, P;Caebergs, T;De Jesus Damiao, D;Marinov, A;Liang, S;Godinovic, N;Kadastik, M;Andrea, J;Olschewski, M;Schmitz, S A;Thüer, S;Haj Ahmad, W;Bell, A J;Calligaris, L;Schmidt, A;Zeise, M;Colaleo, A;Pugliese, G;Capiluppi, P;Fasanella, D;Cappello, G;Tricomi, A;Pedrini, D;Biasotto, M;Dosselli, U;Vitulo, P;Menichelli, M;Staiano, A;Oh, Y D;Morelos Pineda, A;Cwiok, M;Doroba, K;Ferreira Parracho, P G;Moisenz, P;Murzin, V;Golubev, N;Vlasov, E;Domínguez Vázquez, D;Quintario Olmeda, A;Duarte Campderros, J;De Roeck, A;Gigi, D;Meijers, F;Moortgat, F;Petrilli, A;Vlimant, J R;Nessi-Tedaldi, F;Hreus, T;Hsiung, Y;Petrakou, E;Kangal, E E;Onengut, G;Topakli, H;Yalvac, M;Grimes, M;Heath, H F;Hobson, P R;Symonds, P;Heintz, U;Yohay, R;Tadel, M;Vartak, A;Würthwein, F;Franco Sevilla, M;Azzolini, V;Wittich, P;Mason, D;Low, J F;Mitselmakher, G;Baarmand, M M;Haytmyradov, M;Sekaric, J;Stringer, R;Wang, Q;Marionneau, M;Barbieri, R;Gomez Ceballos, G;Mucia, N;Stoynev, S;Antonelli, L;Kotov, K;Everett, A;Zheng, Y;Arora, S;Rekovic, V;Stone, R;Thomas, S;Thomassen, P;Perloff, A;Tatarinov, A |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2014-08-01 |
| 上傳時間: | 2026-04-23 12:11:19 (UTC+8) |
| 出版者: | Springer New York |
| 摘要: | 摘要： The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7[Formula: see text] at the LHC with the CMS detector. The measurement is performed in both the dilepton and lepton+jets decay channels using data corresponding to an integrated luminosity of 5.0[Formula: see text]. Using a procedure to associate jets to decay products of the top quarks, the differential cross section of the [Formula: see text] production is determined as a function of the additional jet multiplicity in the lepton+jets channel. Furthermore, the fraction of events with no additional jets is measured in the dilepton channel, as a function of the threshold on the jet transverse momentum. The measurements are compared with predictions from perturbative quantum chromodynamics and no significant deviations are observed.The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7[Formula: see text] at the LHC with the CMS detector. The measurement is performed in both the dilepton and lepton+jets decay channels using data corresponding to an integrated luminosity of 5.0[Formula: see text]. Using a procedure to associate jets to decay products of the top quarks, the differential cross section of the [Formula: see text] production is determined as a function of the additional jet multiplicity in the lepton+jets channel. Furthermore, the fraction of events with no additional jets is measured in the dilepton channel, as a function of the threshold on the jet transverse momentum. The measurements are compared with predictions from perturbative quantum chromodynamics and no significant deviations are observed.
出版日期： 2014-01-01
出處： The European physical journal. C, Particles and fields, 2014-01, Vol.74 (8), p.3014
資源來源： Publicly available content database
識別號： ISSN: 1434-6044
識別號： DOI: 10.1140/epjc/s10052-014-3014-0 |
| 顯示於類別: | [物理學系] 期刊論文
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