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| 題名: | Search for disappearing tracks in proton-proton collisions at TeV. |
| 作者: | 余欣珊;Friedl, M;Hörmann, N;Liko, D;Van Mulders, P;Vanlaer, P;Costantini, S;Thyssen, F;Basegmez, S;Jez, P;Gregores, E M;Aleksandrov, A;Vutova, M;Cabrera, A;Kortelainen, M J;Wendland, L;Skovpen, K;Olschewski, M;Thüer, S;Haj Ahmad, W;Hauk, J;Goebel, K;Sola, V;Quast, G;Veszpremi, V;Beri, S B;Bhawandeep, U;Kumar, Arun;Dewanjee, R K;Castro, A;Rossi, A M;Chiorboli, M;Lenzi, P;Menasce, D;Moroni, L;Bacchetta, N;Gasparini, F;Kanishchev, K;Torassa, E;Spiezia, A;Boccali, T;Messineo, A;Squillacioti, P;Venturi, A;Paramatti, R;Migliore, E;Gyun, D;Ali, M A;B;Md;Szleper, M;Ferreira Parracho, P G;Tlisov, D;Bitioukov, S;Kachanov, V;Escalante Del Valle, A;Duarte Campderros, J;Bachtis, M;De Guio, F;Mohr, N;Hos, I;Yalvac, M;Sorokin, P;Jacob, J;Petyt, D;Davies, G;Conway, R;Smith, J;Squires, M;Tripathi, M;Long, O R;Pieri, M;Tu, Y;Nauenberg, U;Eggert, N;Sun, W;Kreis, B;Sharma, S;Furic, I K;Rinkevicius, A;Hagopian, S;Benelli, G;Sanders, S;Hadley, N J;Skuja, A;Cali, I A;Klute, M;Roland, C;Klapoetke, K;Trocino, D;Odell, N;Schmitt, M;Lynch, S;Valls, N;Brownson, E;Hu, Z;Shipsey, I;Betchart, B;Ciesielski, R;Kaplan, S;Sheffield, D;Somalwar, S;Thomassen, P |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Collisions;Confidence intervals;Cross sections;Decay;Deposition;High energy physics;Luminosity;Searching;Signatures;Texts |
| 日期: | 2015-01-01 |
| 上傳時間: | 2026-04-23 13:06:13 (UTC+8) |
| 出版者: | Heidelberg: Springer Nature B.V |
| 摘要: | 摘要： Abstract A search is presented for long-lived charged particles that decay within the CMS detector and produce the signature of a disappearing track. Disappearing tracks are identified as those with little or no associated calorimeter energy deposits and with missing hits in the outer layers of the tracker. The search uses proton-proton collision data recorded at ... TeV that corresponds to an integrated luminosity of 19.5 fb -1. The results of the search are interpreted in the context of the anomaly-mediated supersymmetry breaking (AMSB) model. The number of observed events is in agreement with the background expectation, and limits are set on the cross section of direct electroweak chargino production in terms of the chargino mass and mean proper lifetime. At 95% confidence level, AMSB models with a chargino mass less than 260 GeV, corresponding to a mean proper lifetime of 0.2 ns, are excluded. [Figure not available: see fulltext.]
出版者： Heidelberg: Springer Nature B.V
出版日期： 2015-01-01
出處： The journal of high energy physics, 2015-01, Vol.2015 (1), p.1-43
資源來源： ProQuest Open Access Content Collection
版權： Journal of High Energy Physics is a copyright of Springer, 2015.
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP01(2015)096 |
| 顯示於類別: | [物理學系] 期刊論文
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