A search for the standard model Higgs boson (H) decaying to bbˉ when produced in association with a weak vector boson (V) is reported for the following channels: W(μν)H,W(eν)H,W(τν)H,Z(μμ)H,Z(ee)H, and Z(νν)H. The search is performed in data samples corresponding to integrated luminosities of up to 5.1 inverse femtobarns at s√ = 7 TeV and up to 18.9 inverse femtobarns at s√ = 8 TeV, recorded by the CMS experiment at the LHC. An excess of events is observed above the expected background with a local significance of 2.1 standard deviations for a Higgs boson mass of 125 GeV, consistent with the expectation from the production of the standard model Higgs boson. The signal strength corresponding to this excess, relative to that of the standard model Higgs boson, is 1.0 +/- 0.5.
Search for the standard model Higgs boson produced in association with a W or a Z boson and decaying to bottom quarks / S. Chatrchyan;V. Khachatryan;A. Sirunyan;A. Tumasyan;W. Adam;T. Bergauer;M. Dragicevic;J. Erö;C. Fabjan;M. Friedl;R. Frühwirth;V. Ghete;N. Hörmann;J. Hrubec;M. Jeitler;W. Kiesenhofer;V. Knünz;M. Krammer;I. Krätschmer;D. Liko;I. Mikulec;D. Rabady;B. Rahbaran;C. Rohringer;H. Rohringer;R. Schöfbeck;J. Strauss;A. Taurok;W. Treberer-Treberspurg;W. Waltenberger;C.-E. Wulz;V. Mossolov;N. Shumeiko;J. Suarez Gonzalez;S. Alderweireldt;M. Bansal;S. Bansal;T. Cornelis;E. De Wolf;X. Janssen;A. Knutsson;S. Luyckx;L. Mucibello;S. Ochesanu;B. Roland;R. Rougny;Z. Staykova;H. Van Haevermaet;P. Van Mechelen;N. Van Remortel;A. Van Spilbeeck;F. Blekman;S. Blyweert;J. D’Hondt;N. Heracleous;A. Kalogeropoulos;J. Keaveney;S. Lowette;M. Maes;A. Olbrechts;S. Tavernier;W. Van Doninck;P. Van Mulders;G. Van Onsem;I. Villella;C. Caillol;B. Clerbaux;G. De Lentdecker;L. Favart;A. Gay;T. Hreus;A. 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Savin;W. Smith;J. Swanson. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - STAMPA. - 89:(2014), pp. 1-47. [10.1103/PhysRevD.89.012003]
Search for the standard model Higgs boson produced in association with a W or a Z boson and decaying to bottom quarks
BONACORSI, DANIELE;BRAIBANT, SYLVIE;BRIGLIADORI, LUCA;CAMPANINI, RENATO;CAPILUPPI, PAOLO;CASTRO, ANDREA;CODISPOTI, GIUSEPPE;CUFFIANI, MARCO;FANFANI, ALESSANDRA;FASANELLA, DANIELE;GUIDUCCI, LUIGI;MENEGHELLI, MARCO;PRIMAVERA, FEDERICA;ROVELLI, TIZIANO;SIROLI, GIAN PIERO;TOSI, NICOLÒ;C. Battilana;
2014
Abstract
A search for the standard model Higgs boson (H) decaying to bbˉ when produced in association with a weak vector boson (V) is reported for the following channels: W(μν)H,W(eν)H,W(τν)H,Z(μμ)H,Z(ee)H, and Z(νν)H. The search is performed in data samples corresponding to integrated luminosities of up to 5.1 inverse femtobarns at s√ = 7 TeV and up to 18.9 inverse femtobarns at s√ = 8 TeV, recorded by the CMS experiment at the LHC. An excess of events is observed above the expected background with a local significance of 2.1 standard deviations for a Higgs boson mass of 125 GeV, consistent with the expectation from the production of the standard model Higgs boson. The signal strength corresponding to this excess, relative to that of the standard model Higgs boson, is 1.0 +/- 0.5.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.