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https://ir.lib.ncu.edu.tw/handle/987654321/108015
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| 題名: | Study of the dijet mass spectrum in pp→W+jets events at √s=7 TeV |
| 作者: | 余欣珊;Chatrchyan, S;Tumasyan, A;Mucibello, L;Giammanco, A;Caebergs, T;Iaydjiev, P;Trayanov, R;Tao, J;Zang, J;Galanti, M;Lindén, T;Millischer, L;Shreyber, I;Titov, M;Dahms, T;Ferro, C;Weber, M;Eckstein, D;Feindt, M;Niegel, M;Oehler, A;Kyriakis, A;Sikler, F;Molnar, J;Mohanty, A K;My, S;Cuffiani, M;Navarria, F L;Travaglini, R;Barbagli, G;Branca, A;Gasparini, U;Simonetto, F;Serban, A T;Spagnolo, P;Cartiglia, N;Costa, M;Vilela Pereira, A;Belforte, S;Park, H;Kim, H;Kim, T J;Reyes-Santos, M A;Bunkowski, K;Dominik, W;Karjavin, V;Boos, E;Konstantinov, D;Sobol, A;Quintario Olmeda, A;Marco, J;Hartl, C;Masetti, L;Worm, S D;Singh, A P;Lu, R-S;Isildak, B;Kaya, O;Ball, G;Della Negra, M;Raymond, D M;Virdee, T;Kyberd, P;Hatakeyama, K;Heister, A;Tsang, K V;Lebourgeois, M;Richman, J;Stuart, D;Duarte, J;Vogel, H;Klima, B;Uplegger, L;Bourilkov, D;Gaultney, V;Rodriguez, J L;Bolton, T;Stephans, G S F;Dahmes, B;Klapoetke, K;Baur, U;Brinkerhoff, A;Kotov, K;Williams, G;Quan, X;Werner, J S;Vidal Marono, M;Yoo, H D;Zablocki, J;Redjimi, R;Chou, J P;Patel, R;Salur, S;Hollingsworth, M;Yang, Z C;Montalvo, R;Akchurin, N;Arenton, M W;Hirosky, R;Palmonari, F |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2012-12-21 |
| 上傳時間: | 2026-04-23 14:31:39 (UTC+8) |
| 摘要: | 摘要： We report an investigation of the invariant mass spectrum of the two jets with highest transverse momentum in pp → W+2-jet and W+3-jet events to look for resonant enhancement. The data sample corresponds to an integrated luminosity of 5.0 fb(-1) collected with the CMS detector at sqrt[s] = 7 TeV. We find no evidence for the anomalous structure reported by the CDF Collaboration, and establish an upper limit of 5.0 pb at 95% confidence level on the production cross section for a generic Gaussian signal with mass near 150 GeV. Additionally, we exclude two theoretical models that predict a CDF-like dijet resonance near 150 GeV.We report an investigation of the invariant mass spectrum of the two jets with highest transverse momentum in pp → W+2-jet and W+3-jet events to look for resonant enhancement. The data sample corresponds to an integrated luminosity of 5.0 fb(-1) collected with the CMS detector at sqrt[s] = 7 TeV. We find no evidence for the anomalous structure reported by the CDF Collaboration, and establish an upper limit of 5.0 pb at 95% confidence level on the production cross section for a generic Gaussian signal with mass near 150 GeV. Additionally, we exclude two theoretical models that predict a CDF-like dijet resonance near 150 GeV.
出版日期： 2012-12-21
出處： Physical review letters, 2012-12, Vol.109 (25), p.251801
資源來源： American Physical Society Journals
識別號： ISSN: 1079-7114
識別號： EISSN: 1079-7114
識別號： DOI: 10.1103/PhysRevLett.109.251801 |
| 顯示於類別: | [物理學系] 期刊論文
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