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| 題名: | Search for dark matter, extra dimensions, and unparticles in monojet events in proton–proton collisions at √s = 8 TeV |
| 作者: | 余欣珊;Jeitler, M.;Kiesenhofer, W.;Taurok, A.;Waltenberger, W.;Van Spilbeeck, A.;Daci, N.;Keaveney, J.;Van Onsem, G. P.;Selvaggi, M.;Fonseca De Souza, S.;Sultanov, G.;Guo, Y.;Avila, C.;Polic, D.;Tiko, A.;Ferri, F.;Fontaine, J.-C.;Chasserat, J.;Verdier, P.;Sammet, J.;Ata, M.;Klingebiel, D.;Knutzen, S.;Geisler, M.;Kumar, Ashok;Bhattacharya, S.;Mohanty, A. K.;Guchait, M.;Majumder, G.;Sudhakar, K.;Etesami, S. M.;Maggi, M.;Gerosa, R.;Paolucci, P.;Azzi, P.;Dall’Osso, M.;Azzurri, P.;Grassi, M.;Casasso, S.;Umer, T.;Chang, S.;Nam, S. K.;Kong, D. J.;Reucroft, S.;Górski, M.;Levchenko, P.;Lychkovskaya, N.;Bedoya, C. Fernandez;Rodrigo, T.;Ruiz-Jimeno, A.;Bloch, P.;Eugster, J.;Moortgat, F.;Morovic, S.;Schwick, C.;Snoek, H.;Gokbulut, G.;Kangal, E. E.;Yalvac, M.;Paramesvaran, S.;Bainbridge, R.;Iles, G.;Lane, R.;Lyons, L.;Hatakeyama, K.;Bose, T.;Mulhearn, M.;Valuev, V.;Wimpenny, S.;Würthwein, F.;Danielson, T.;Russ, J.;Lykken, J.;Taylor, L.;Curry, D.;Konigsberg, J.;Mitselmakher, G.;Prosper, H.;Clarida, W.;Pedro, K.;Gude, A.;Kubota, Y.;Oliveros, S.;Dominguez, A.;Lazo-Flores, J.;Malik, S.;Barberis, E.;Velasco, M.;Quan, X.;Tully, C.;Svyatkovskiy, A.;Roberts, J.;Ferbel, T.;Contreras-Campana, E.;Gray, R.;Seitz, C.;Kamon, T.;Libeiro, T.;Wood, J.;Karchin, P. E. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Astronomy;Astrophysics and Cosmology;Elementary Particles;Hadrons;Heavy Ions;Measurement Science and Instrumentation;Nuclear Energy;Nuclear Physics;Physics;Physics and Astronomy;Quantum Field Theories;Quantum Field Theory;Regular Article - Experimental Physics;String Theory |
| 日期: | 2015-05-01 |
| 上傳時間: | 2026-04-23 13:03:38 (UTC+8) |
| 出版者: | Springer New York;Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing a jet and an imbalance in transverse momentum. The data were collected by the CMS detector in proton–proton collisions at the LHC and correspond to an integrated luminosity of 19.7 fb -1 at a centre-of-mass energy of 8 TeV . The number of observed events is found to be consistent with the standard model prediction. Limits are placed on the DM-nucleon scattering cross section as a function of the DM particle mass for spin-dependent and spin-independent interactions. Limits are also placed on the scale parameter M D in the Arkani-Hamed, Dimopoulos, and Dvali (ADD) model of large extra dimensions, and on the unparticle model parameter Λ U . The constraints on ADD models and unparticles are the most stringent limits in this channel and those on the DM-nucleon scattering cross section are an improvement over previous collider results.
其他題名： Eur. Phys. J. C
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2015-05-29
出處： The European physical journal. C, Particles and fields, 2015-05, Vol.75 (5)
資源來源： EBSCOhost Academic Search Premier
版權： CERN for the benefit of the CMS collaboration 2015
識別號： ISSN: 1434-6044
識別號： EISSN: 1434-6052
識別號： DOI: 10.1140/epjc/s10052-015-3451-4 |
| 顯示於類別: | [物理學系] 期刊論文
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