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Search for Higgs boson off-shell production in proton-proton collisions at 7 and 8 TeV and derivation of constraints on its total decay width
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 art%3A10.1007%2FJHEP09%282016%29051.pdf | Published version | 984.87 kB | Adobe PDF | View/Open |
| Title: | Search for Higgs boson off-shell production in proton-proton collisions at 7 and 8 TeV and derivation of constraints on its total decay width |
| Authors: | The, CMSC Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Asilar, E Bergauer, T Brandstetter, J Brondolin, E Dragicevic, M Erö, J Flechl, M Friedl, M Frühwirth, R Ghete, VM Hartl, C Hörmann, N Hrubec, J Jeitler, M König, A Krammer, M Krätschmer, I Liko, D Matsushita, T Mikulec, I Rabady, D Rad, N Rahbaran, B Rohringer, H Schieck, J Schöfbeck, R Strauss, J Treberer-Treberspurg, W Waltenberger, W Wulz, CE Mossolov, V Shumeiko, N Suarez Gonzalez, J Alderweireldt, S Cornelis, T De Wolf, EA Janssen, X Knutsson, A Lauwers, J Luyckx, S Van De Klundert, M Van Haevermaet, H Van Mechelen, P Van Remortel, N Van Spilbeeck, A Abu Zeid, S Blekman, F D Hondt, J Daci, N De Bruyn, I Deroover, K Heracleous, N Keaveney, J Lowette, S Moortgat, S Moreels, L Olbrechts, A Python, Q Strom, D Tavernier, S Van Doninck, W Van Mulders, P Van Parijs, I Brun, H Caillol, C Clerbaux, B De Lentdecker, G Fasanella, G Favart, L Goldouzian, R Grebenyuk, A Karapostoli, G Lenzi, T Léonard, A Maerschalk, T Marinov, A Randle-conde, A Seva, T Vander Velde, C Vanlaer, P Yonamine, R Zenoni, F Zhang, F Benucci, L Cimmino, A Crucy, S Dobur, D Fagot, A Garcia, G |
| Item Type: | Journal Article |
| Abstract: | A search is presented for the Higgs boson off-shell production in gluon fusion and vector boson fusion processes with the Higgs boson decaying into a W+W− pair and the W bosons decaying leptonically. The data observed in this analysis are used to constrain the Higgs boson total decay width. The analysis is based on the data collected by the CMS experiment at the LHC, corresponding to integrated luminosities of 4.9 fb−1 at a centre-of-mass energy of 7 TeV and 19.4 fb−1 at 8 TeV, respectively. An observed (expected) upper limit on the off-shell Higgs boson event yield normalised to the standard model prediction of 2.4 (6.2) is obtained at the 95% CL for the gluon fusion process and of 19.3 (34.4) for the vector boson fusion process. Observed and expected limits on the total width of 26 and 66 MeV are found, respectively, at the 95% confidence level (CL). These limits are combined with the previous result in the ZZ channel leading to observed |
| Issue Date: | 9-Sep-2016 |
| Date of Acceptance: | 29-Aug-2016 |
| URI: | http://hdl.handle.net/10044/1/41276 |
| DOI: | http://dx.doi.org/10.1007/JHEP09(2016)051 |
| ISSN: | 1126-6708 |
| Publisher: | Springer Verlag |
| Journal / Book Title: | Journal of High Energy Physics |
| Volume: | 2016 |
| Issue: | 9 |
| Copyright Statement: | © The Author(s) 2016. JHEP is an open-access journal funded by SCOAP3 and licensed under CC BY 4.0. |
| Keywords: | Nuclear & Particles Physics 01 Mathematical Sciences 02 Physical Sciences |
| Publication Status: | Published |
| Article Number: | 51 |
| Appears in Collections: | Physics High Energy Physics Faculty of Natural Sciences |