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| 題名: | Differential cross section measurements for the production of a W boson in association with jets in proton–proton collisions at s=7 TeV |
| 作者: | 余欣珊;Sirunyan, A.M.;Waltenberger, W.;Wulz, C.-E.;De Wolf, E.A.;Beernaert, K.;Prado Da Silva, W.L.;Couderc, F.;Faure, J.L.;Jarry, P.;Dahms, T.;Kreuzer, P.;Reithler, H.;Haj Ahmad, W.;Bell, A.J.;Calligaris, L.;Costanza, F.;Melzer-Pellmann, I.-A.;Blobel, V.;Rathjens, D.;Butz, E.;Katkov, I.;Nürnberg, A.;Wagner-Kuhr, J.;Psallidas, A.;Topsis-Giotis, I.;Stiliaris, E.;Aslanoglou, X.;Hidas, P.;Horvath, D.;Ujvari, B.;Kaur, M.;Ahuja, S.;Banerjee, S.;Kumar, V.;Aziz, T.;Calabria, C.;Singh, G.;Gori, V.;Sguazzoni, G.;Tropiano, A.;Bianco, S.;Fiorendi, S.;Tabarelli de Fatis, T.;Biasini, M.;Margaroli, F.;Organtini, G.;Biino, C.;La Licata, C.;Lopez-Fernandez, R.;Ahmad, A.;Boimska, B.;Dermenev, A.;Albajar, C.;d'Enterria, D.;Hegeman, J.;Lourenço, C.;Sphicas, P.;Robmann, P.;Worm, S.D.;Burton, D.;Dunne, P.;Jarvis, M.;Lane, R.;Magnan, A.-M.;Virdee, T.;Kyberd, P.;Avetisyan, A.;Takasugi, E.;Shrinivas, A.;Wimpenny, S.;Barge, D.;Rogan, C.;Iiyama, Y.;Beretvas, A.;Hirschauer, J.;Mrenna, S.;Prokofyev, O.;Hugon, J.;Martinez, G.;Askew, A.;Sen, S.;Barfuss, A.F.;Marionneau, M.;Paus, C.;De Benedetti, A.;Kubota, Y.;Baumgartel, D.;Odell, N.;Velasco, M.;Brinson, J.;Bylsma, B.;Hill, C.;Smith, G.;Berry, E.;Quan, X.;Xie, W.;Zabel, J.;Eusebi, R.;Perloff, A.;Ojalvo, I. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | CMS;Electroweak;Jets;Physics;PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;Standard model;Vector boson;W + jets |
| 日期: | 2015-02-04 |
| 上傳時間: | 2026-04-23 11:51:24 (UTC+8) |
| 出版者: | Netherlands: Elsevier B.V |
| 摘要: | 摘要： Measurements are reported of differential cross sections for the production of a W boson, which decays into a muon and a neutrino, in association with jets, as a function of several variables, including the transverse momenta (pT) and pseudorapidities of the four leading jets, the scalar sum of jet transverse momenta (HT), and the difference in azimuthal angle between the directions of each jet and the muon. The data sample of pp collisions at a centre-of-mass energy of 7 TeV was collected with the CMS detector at the LHC and corresponds to an integrated luminosity of 5.0 fb−1. The measured cross sections are compared to predictions from Monte Carlo generators, MadGraph+pythia and sherpa, and to next-to-leading-order calculations from BlackHat+sherpa. The differential cross sections are found to be in agreement with the predictions, apart from the pT distributions of the leading jets at high pT values, the distributions of the HT at high-HT and low jet multiplicity, and the distribution of the difference in azimuthal angle between the leading jet and the muon at low values.
出版者： Netherlands: Elsevier B.V
出版日期： 2015-02-04
出處： Physics letters. B, 2015-02, Vol.741 (C), p.12-37
資源來源： Elsevier ScienceDirect Journals Complete - Autoholdings
版權： 2014 The Authors
識別號： ISSN: 0370-2693
識別號： EISSN: 1873-2445
識別號： DOI: 10.1016/j.physletb.2014.12.003 |
| 顯示於類別: | [物理學系] 期刊論文
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