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| 題名: | Search for new physics in events with same-sign dileptons and jets in pp collisions at √s = 8 TeV |
| 作者: | 余欣珊;Chatrchyan, S;Tumasyan, A;Frühwirth, R;Jeitler, M;Knünz, V;Clerbaux, B;Gay, A P;R;Reis, T;Thyssen, F;thomme, L;Jez, P;Caebergs, T;De Jesus Damiao, D;Gregores, E M;Lagana, C;Piperov, S;Hadjiiska, R;Liang, D;Tikvica, L;Tuominiemi, J;Gras, P;Beaudette, F;Busson, P;Mironov, C;Olschewski, M;Perchalla, L;Behrenhoff, W;Lipka, K;Nowak, F;Schlieckau, E;Müller, Th;Oberst, O;Wayand, S;Anagnostou, G;Saoulidou, N;Aslanoglou, X;Mukherjee, S;Naseri, M;Chhibra, S S;Albergo, S;Malvezzi, S;Torassa, E;Boccali, T;Messineo, A;Squillacioti, P;Nourbakhsh, S;Ortona, G;Zanetti, A;Asghar, M I;Nguyen, F;Oreshkin, V;Safronov, G;Stolin, V;Djordjevic, M;Marco, R;Santanastasio, F;Langenegger, U;De Cosa, A;Lei, Y J;Adiguzel, A;Gamsizkan, H;Ozpineci, A;Vardarli, F I;Newbold, D M;Leggat, D;Scarborough, T;Heister, A;Yohay, R;Pieri, M;Barge, D;d, W T;Ulmer, K A;Gottschalk, E;Jindariani, S;Bochenek, J;Adams, M R;Albayrak, E A;Ozok, F;Wood, J S;Hadley, N J;Kolberg, T;Yoon, A S;De Benedetti, A;Kubota, Y;Wan, Z;Brinkerhoff, A;Pearson, T;Piroué, P;Raval, A;Lopez, A;Jung, K;Bodek, A;Ciesielski, R;Lungu, G;Barker, A;Salur, S;Spanier, S;Snook, B;Mohapatra, A;Ojalvo, I |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | High energy physics |
| 日期: | 2014-01-01 |
| 上傳時間: | 2026-04-23 13:35:33 (UTC+8) |
| 出版者: | Heidelberg: Springer Nature B.V |
| 摘要: | 摘要： Abstract A search for new physics is performed based on events with jets and a pair of isolated, same-sign leptons. The results are obtained using a sample of proton-proton collision data collected by the CMS experiment at a centre-of-mass energy of 8 TeV at the LHC, corresponding to an integrated luminosity of 19.5 fb^sup -1^. In order to be sensitive to a wide variety of possible signals beyond the standard model, multiple search regions defined by the missing transverse energy, the hadronic energy, the number of jets and b-quark jets, and the transverse momenta of the leptons in the events are considered. No excess above the standard model background expectation is observed and constraints are set on a number of models for new physics, as well as on the same-sign top-quark pair and quadruple-top-quark production cross sections. Information on event selection efficiencies is also provided, so that the results can be used to confront an even broader class of new physics models. [Figure not available: see fulltext.]
出版者： Heidelberg: Springer Nature B.V
出版日期： 2014-01-01
出處： The journal of high energy physics, 2014-01, Vol.2014 (1), p.1
資源來源： ProQuest Open Access Content Collection
版權： SISSA, Trieste, Italy 2014
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP01(2014)163 |
| 顯示於類別: | [物理學系] 期刊論文
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