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| 題名: | Search for narrow resonances and quantum black holes in inclusive and b-tagged dijet mass spectra from pp collisions at √s=7 TeV |
| 作者: | 余欣珊;Chatrchyan, S;Tumasyan, A;Jeitler, M;Knünz, V;Van Mulders, P;Wang, J;Garcia, J M;Vizan;Martins, T;Marinho, F;Hadjiiska, R;Litov, L;Pavlov, B;Moreno, B Gomez;Tiko, A;Kortelainen, M J;Rosowsky, A;Dahms, T;Dobrzynski, L;Naranjo, I N;Tschudi, Y;Papacz, P;Dammann, D;Peiffer, T;Sibille, J;Chwalek, T;Schilling, F-p;Loukas, D;Vesztergombi, G;Zsigmond, A J;Ujvari, B;Gomber, B;Etesami, S M;De Filippis, N;Venditti, R;Meneghelli, M;Lucchini, M T;Martelli, A;Lacaprara, S;Gabusi, M;Ratti, S P;Taroni, S;Boccali, T;Palla, F;Squillacioti, P;Pastrone, N;Solano, A;Cossutti, F;Gobbo, B;Kim, T Y;Kim, T J;Shoaib, M;Nawrocki, K;Evstyukhin, S;Lychkovskaya, N;Safronov, G;Konstantinov, D;Dissertori, G;Donegà, M;Lu, R-s;Topaksu, A Kayis;Tali, B;Topakli, H;Günaydin, Y O;Futyan, D;Hays, J;Lyons, L;Khan, A;Symonds, P;Schlein, P;Sturdy, J;Incandela, J;Rossin, R;Musienko, Y;De Gruttola, M;Konigsberg, J;Cavanaugh, R;Wetzel, J;Barnett, B A;Gronberg, J;Tonjes, M B;Cali, I A;Klute, M;Ma, T;Yilmaz, Y;Rahmat, R;Chasco, M;Anastassov, A;Hildreth, M;Luo, W;Lynch, S;Valls, N;Durkin, L S;Hill, C;Elmer, P;Leonardo, N;Bhatti, A;Walker, M;Volobouev, I;Belknap, D A;Grothe, M |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Black holes;High energy physics |
| 日期: | 2013-01-01 |
| 上傳時間: | 2026-04-23 13:25:02 (UTC+8) |
| 出版者: | Heidelberg: Springer Nature B.V |
| 摘要: | 摘要： (ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Abstract A search for narrow resonances and quantum black holes is performed in inclusive and b-tagged dijet mass spectra measured with the CMS detector at the LHC. The data set corresponds to 5 fb^sup -1^ of integrated luminosity collected in pp collisions at ... TeV. No narrow resonances or quantum black holes are observed. Model-independent upper limits at the 95% confidence level are obtained on the product of the cross section, branching fraction into dijets, and acceptance for three scenarios: decay into quark-quark, quark-gluon, and gluon-gluon pairs. Specific lower limits are set on the mass of string resonances (4.31 TeV), excited quarks (3.32 TeV), axigluons and colorons (3.36 TeV), scalar color-octet resonances (2.07 TeV), E^sub 6^ diquarks (3.75 TeV), and on the masses of W' (1.92 TeV) and Z' (1.47 TeV) bosons. The limits on the minimum mass of quantum black holes range from 4 to 5.3 TeV. In addition, b-quark tagging is applied to the two leading jets and upper limits are set on the production of narrow dijet resonances in a model-independent fashion as a function of the branching fraction to b-jet pairs.[Figure not available: see fulltext.]
出版者： Heidelberg: Springer Nature B.V
出版日期： 2013-01-01
出處： The journal of high energy physics, 2013-01, Vol.2013 (1), p.1
資源來源： Publicly Available Content Database
版權： SISSA, Trieste, Italy 2013
識別號： EISSN: 1029-8479
識別號： DOI: 10.1007/JHEP01(2013)013 |
| 顯示於類別: | [物理學系] 期刊論文
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