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| 題名: | Search for direct pair production of scalar top quarks in the single- and dilepton channels in proton-proton collisions at √s= 8 TeV |
| 作者: | 余欣珊;Rahbaran, B.;Schieck, J.;Tavernier, S.;Brun, H.;Caillol, C.;Clerbaux, B.;Karapostoli, G.;Perniè, L.;Alves, G. A.;Moraes, A.;Pavlov, B.;Petkov, P.;Mao, Y.;Brigljevic, V.;Finger, M.;Raidal, M.;Ferri, F.;Collard, C.;Beauceron, S.;Duchardt, D.;Erdmann, M.;Heidemann, C.;Dorland, T.;Lobanov, A.;Chwalek, T.;Descroix, A.;Lobelle Pardo, P.;Mildner, H.;Williamson, S.;Hidas, P.;Zsigmond, A. J.;Bartók, M.;Dutta, D.;Behnamian, H.;Creanza, D.;Cristella, L.;Iaselli, G.;Fabbri, F.;Lista, L.;Maron, G.;Saha, A.;Savoy-Navarro, A.;Venturi, A.;Kim, D. H.;Lee, B.;Carrillo Moreno, S.;Vischia, P.;Gavrilenko, M.;Perelygin, V.;Levchenko, P.;Uvarov, L.;Popov, V.;Bitioukov, S.;Uzunian, A.;Fernandez, M.;Martinez Rivero, C.;Matorras, F.;Rodrigo, T.;Dünser, M.;Gill, K.;Pfeiffer, A.;Rovere, M.;Langenegger, U.;Schönenberger, M.;Ngadiuba, J.;Chang, Y. W.;Asavapibhop, B.;Burton, D.;Seez, C.;Rohlf, J.;Heintz, U.;Narain, M.;Clare, R.;Pieri, M.;Franco Sevilla, M.;Xie, S.;Wittich, P.;Gecse, Z.;Gottschalk, E.;Weber, H. A.;Rank, D.;Ackert, A.;Haytmyradov, M.;Khristenko, V.;Blumenfeld, B.;Fehling, D.;Cali, I. A.;Klute, M.;Musienko, Y.;Reinsvold, A.;Taroni, S.;Medvedeva, T.;Kumar, A.;Kunnawalkam Elayavalli, R.;Lath, A.;Walker, M.;Foerster, M.;Huang, T.;Ledovskoy, A.;Wolfe, E. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Classical and Quantum Gravitation;Elementary Particles;Physics;Physics and Astronomy;Quantum Field Theories;Quantum Field Theory;Quantum Physics;Regular Article - Experimental Physics;Relativity Theory;String Theory |
| 日期: | 2016-07-01 |
| 上傳時間: | 2026-04-23 13:04:42 (UTC+8) |
| 出版者: | Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： A bstract Results are reported from a search for the top squark t ˜ 1 , the lighter of the two supersymmetric partners of the top quark. The data sample corresponds to 19.7 fb −1 of proton-proton collisions at s = 8 TeV collected with the CMS detector at the LHC. The search targets t ˜ 1 → b χ ˜ 1 ± and t ˜ 1 → t ∗ χ ˜ 1 0 decay modes, where χ ˜ 1 ± and χ ˜ 1 0 are the lightest chargino and neutralino, respectively. The reconstructed final state consists of jets, b jets, missing transverse energy, and either one or two leptons. Leading backgrounds are determined from data. No significant excess in data is observed above the expectation from standard model processes. The results exclude a region of the two-dimensional plane of possible t ˜ 1 and χ ˜ 1 0 masses. The highest excluded t ˜ 1 and χ ˜ 1 0 masses are about 700 GeV and 250 GeV, respectively.
其他題名： J. High Energ. Phys
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2016-07-05
出處： The journal of high energy physics, 2016-07, Vol.2016 (7)
資源來源： ProQuest Publicly Available Content Database
版權： The Author(s) 2016
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP07(2016)027 |
| 顯示於類別: | [物理學系] 期刊論文
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