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| 題名: | Search for massive WH resonances decaying into the ℓνbb¯ final state at √s = 8 TeV |
| 作者: | 余欣珊;Luyckx, S.;Van Parijs, I.;Reis, T.;Zaganidis, N.;Alves, F. L.;Brito, L.;Da Costa, E. M.;De Souza Santos, A.;Ruiz Vargas, J. C.;Glushkov, I.;Shaheen, S. M.;Rykaczewski, H.;Tuominen, E.;Zghiche, A.;Baffioni, S.;Strebler, T.;Pequegnot, A. L.;Wittmer, B.;Merschmeyer, M.;Olschewski, M.;Görner, M.;Ott, J.;Anagnostou, G.;Loukas, N.;Molnar, J.;Bhatnagar, V.;Chudasama, R.;Maity, M.;Sur, N.;Paktinat Mehdiabadi, S.;Iaselli, G.;Cuffiani, M.;Marcellini, S.;Costa, S.;Gennai, S.;Ghezzi, A.;Tabarelli de Fatis, T.;Paolucci, P.;Gasparini, F.;Boccali, T.;Castaldi, R.;Cavallari, F.;Diemoz, M.;Arneodo, M.;Obertino, M. M.;Tamponi, U.;Belforte, S.;Sanchez-Hernandez, A.;Zalewski, P.;Uvarov, L.;Vavilov, S.;Tlisov, D.;Toropin, A.;Dudko, L.;Soares, M. S.;Fernandez Menendez, J.;Lopez Virto, A.;Trevisani, N.;Gigi, D.;Gill, K.;Guida, R.;Mulders, M.;Seidel, M;Kaestli, H. C.;Lustermann, W.;Chang, Y. H.;Suwonjandee, N.;Hos, I.;Cakir, A.;Pellett, D.;Stolp, D.;Gary, J. W.;Mullin, S. D.;Cheung, H. W. K.;Hirschauer, J.;Kreis, B.;Uplegger, L.;Vernieri, C.;Avery, P.;Thomas, L.;Hagopian, S.;Onel, Y.;Sarica, U.;Demiragli, Z.;Zhukova, V.;Turkewitz, J.;Chasco, M.;Hahn, K. A.;Kellams, N.;Smith, G.;Driga, O.;Neumeister, N.;Ferencek, D.;Thomassen, P.;Mueller, R.;Cowden, C.;Lamichhane, K.;Johns, W.;Ledovskoy, A.;Hervé, A. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Regular - Experimental Physics |
| 日期: | 2016-05-01 |
| 上傳時間: | 2026-04-23 13:22:55 (UTC+8) |
| 出版者: | Springer New York;Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： A search for a massive resonance $${\mathrm{W}^{\prime }}$$ W′decaying into a W and a Higgs boson in the $$\ell \nu \mathrm{b} \overline{\mathrm{b}} $$ ℓνbb¯ ( $$\ell = \mathrm {e}$$ ℓ=e, $$\mu $$ μ) final state is presented. Results are based on data corresponding to an integrated luminosity of 19.7 $$\,\text {fb}^{{-1}}$$ fb-1 of proton–proton collisions at $$\sqrt{s}=8$$ s=8 $$~\text {TeV}$$ TeV, collected using the CMS detector at the LHC. For a high-mass ( $$\gtrsim $$ ≳1 $$~\text {TeV}$$ TeV) resonance, the two bottom quarks coming from the Higgs boson decay are reconstructed as a single jet, which can be tagged by placing requirements on its substructure and flavour. Exclusion limits at 95 % confidence level are set on the production cross section of a narrow resonance decaying into WH, as a function of its mass. In the context of a little Higgs model, a lower limit on the $${\mathrm{W}^{\prime }}$$ W′ mass of 1.4 $$~\text {TeV}$$ TeV is set. In a heavy vector triplet model that mimics the properties of composite Higgs models, a lower limit on the $${\mathrm{W}^{\prime }}$$ W′ mass of 1.5 $$~\text {TeV}$$ TeV is set. In the context of this model, the results are combined with related searches to obtain a lower limit on the $${\mathrm{W}^{\prime }}$$ W′ mass of 1.8 $$~\text {TeV}$$ TeV, the most restrictive to date for decays to a pair of standard model bosons.
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2016-01-01
出處： The European physical journal. C, Particles and fields, 2016-01, Vol.76 (5)
資源來源： EBSCOhost Academic Search Premier
版權： CERN for the benefit of the CMS collaboration 2016
識別號： ISSN: 1434-6044
識別號： EISSN: 1434-6052
識別號： DOI: 10.1140/epjc/s10052-016-4067-z
識別號： PMID: 28280427 |
| 顯示於類別: | [物理學系] 期刊論文
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