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| 題名: | Search for high-mass resonances decaying into τ-lepton pairs in pp collisions at √ s = 7TeV |
| 作者: | 余欣珊;Chatrchyan, S.;Wagner, P.;Waltenberger, W.;Roland, B.;Blyweert, S.;Van Onsem, G.P.;Vanelderen, L.;Giammanco, A.;Hammad, G.H.;Sznajder, A.;Mercadante, P.G.;Petkov, P.;Asawatangtrakuldee, C.;Zou, W.;Fedi, G.;Broutin, C.;Schael, S.;Heidemann, C.;Sauerland, P.;Schmidt, A.;Böser, C.;Vesztergombi, G.;Aziz, T.;Zeinali, M.;Chhibra, S.S.;Pacifico, N.;Gennai, S.;Carrillo Montoya, C.A.;Meola, S.;Zumerle, G.;Boccali, T.;DʼAgnolo, R.T.;Verdini, P.G.;Organtini, G.;Kim, D.H.;Park, H.;Kim, T.J.;Choi, Y.K.;Asghar, M.I.;Szleper, M.;Ferreira Parracho, P.G.;Shmatov, S.;Uvarov, L.;Dremin, I.;Dupont-Sagorin, N.;Mozer, M.U.;Rodrigues Antunes, J.;Sekmen, S.;Simon, M.;Deiters, K.;Renker, D.;Tauscher, L.;Snoek, H.;Chao, Y.;Wang, M.;Kaya, O.;Heath, G.P.;Lyons, L.;Seez, C.;Vazquez Acosta, M.;Duris, J.;Valuev, V.;Gary, J.W.;Sturdy, J.;Branson, J.G.;Holzner, A.;Palmer, C.;Campagnari, C.;Mott, A.;Timciuc, V.;Cumalat, J.P.;Edelmaier, C.J.;Alexander, J.;Harris, R.M.;Hirschauer, J.;Leonidopoulos, C.;Sexton-Kennedy, E.;Avery, P.;Markowitz, P.;Adams, J.R.;Jenkins, M.;Albayrak, E.A.;Kenny Iii, R.P.;Lange, D.;Roland, C.;Perera, L.;Bose, S.;Malbouisson, H.;Nash, D.;Brinkerhoff, A.;Kotov, K.;Piroué, P.;Huang, X.T.;Betchart, B.;Demortier, L.;Arora, S.;Contreras-Campana, C.;Lath, A.;Rekovic, V.;Pakhotin, Y. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | CMS;Exact sciences and technology;Exotica;formula omitted;Nuclear physics;Physics;The physics of elementary particles and fields |
| 日期: | 2012-09-17 |
| 上傳時間: | 2026-04-23 13:17:29 (UTC+8) |
| 出版者: | Kidlington: Elsevier B.V |
| 摘要: | 摘要： A search for high-mass resonances decaying into τ+τ− is performed using a data sample of pp collisions at s=7 TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 4.9 fb−1. The number of observed events is in agreement with the standard model prediction. An upper limit on the product of the resonance cross section and branching fraction into τ-lepton pairs is calculated as a function of the resonance mass. Using the sequential standard model resonance ZSSM′ and the superstring-inspired E6 model with resonance Zψ′ as benchmarks, resonances with standard model couplings with masses below 1.4 and 1.1 TeV, respectively, are excluded at 95% confidence level.
出版者： Kidlington: Elsevier B.V
出版日期： 2012-09-17
出處： Physics Letters. Section B, 2012-09, Vol.716 (1), p.82-102
資源來源： Elsevier ScienceDirect Journals Complete
版權： 2012 CERN
版權： 2015 INIST-CNRS
識別號： ISSN: 0370-2693
識別號： EISSN: 1873-2445
識別號： DOI: 10.1016/j.physletb.2012.07.062
識別號： CODEN: PYLBAJ |
| 顯示於類別: | [物理學系] 期刊論文
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