CMS
PRELIMINARY
SM
Search for the standard model Higgs boson in the dimuon decay channel in pp collisions at sqrt(s)= 7 and 8 TeV

We present the results of a search for the standard model Higgs boson production in the rare μ+μ\mu^+\mu^- decay channel in proton-proton collisions at \mbox{s=7\sqrt{s}=7 and 8~TeV}. The data samples, recorded by the CMS experiment at the LHC, correspond to integrated luminosities of 5.0±0.15.0\pm0.1~fb1^{-1} at 7 TeV and of 19.7±0.519.7\pm0.5~fb1^{-1} at 8 TeV. To enhance the Higgs signal over the dominant Drell-Yan background, the events are categorized by topologies corresponding to different production processes. Upper limits on the production cross section at the 95\% confidence level are reported for Higgs boson masses in the range from 120 to 150~\GeVcc. At the Higgs boson mass of 125~\GeVcc the observed (expected) 95\% C.L. upper limit on the production rate is found to be 7.4 (5.11.5+2.35.1^{+2.3}_{-1.5}) times the standard model prediction. %For a dimuon mass at 149~\GeVcc, a broad excess corresponding to a local significance of 2.8~\sigma %and 1.6~\sigma after taking into account the look-elsewhere effect is observed. Results of the first search for the Higgs boson production in the rare decay e+e\mathrm{e}^+\mathrm{e}^- is also reported.

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http://cds.cern.ch/record/1606831/files/HIG-13-007-pas.pdf http://cds.cern.ch/record/1606831/files/Figure_001-a.pdf http://cds.cern.ch/record/1606831/files/Figure_001-b.pdf http://cds.cern.ch/record/1606831/files/Figure_001-c.pdf http://cds.cern.ch/record/1606831/files/Figure_001-d.pdf http://cds.cern.ch/record/1606831/files/Figure_002-a.pdf http://cds.cern.ch/record/1606831/files/Figure_002-b.pdf http://cds.cern.ch/record/1606831/files/Figure_002-c.pdf http://cds.cern.ch/record/1606831/files/Figure_002-d.pdf http://cds.cern.ch/record/1606831/files/Figure_003-a.pdf http://cds.cern.ch/record/1606831/files/Figure_003-b.pdf http://cds.cern.ch/record/1606831/files/Figure_003-c.pdf http://cds.cern.ch/record/1606831/files/Figure_004-a.pdf http://cds.cern.ch/record/1606831/files/Figure_004-b.pdf http://cds.cern.ch/record/1606831/files/Figure_004-c.pdf http://cds.cern.ch/record/1606831/files/Figure_005-a.pdf http://cds.cern.ch/record/1606831/files/Figure_005-b.pdf http://cds.cern.ch/record/1606831/files/Figure_006-a.pdf http://cds.cern.ch/record/1606831/files/Figure_006-b.pdf http://cds.cern.ch/record/1606831/files/Figure_007-a.pdf http://cds.cern.ch/record/1606831/files/Figure_007-b.pdf http://cds.cern.ch/record/1606831/files/Figure_007-c.pdf http://cds.cern.ch/record/1606831/files/Figure_007-d.pdf http://cds.cern.ch/record/1606831/files/Figure_008-a.pdf http://cds.cern.ch/record/1606831/files/Figure_008-b.pdf http://cds.cern.ch/record/1606831/files/Figure_008-c.pdf http://cds.cern.ch/record/1606831/files/Figure_008-d.pdf http://cds.cern.ch/record/1606831/files/Figure_009-a.pdf http://cds.cern.ch/record/1606831/files/Figure_009-b.pdf http://cds.cern.ch/record/1606831/files/Figure_009-c.pdf http://cds.cern.ch/record/1606831/files/Figure_010.pdf http://cds.cern.ch/record/1606831/files/Figure_011-a.pdf http://cds.cern.ch/record/1606831/files/Figure_011-b.pdf http://cds.cern.ch/record/1606831/files/Figure_012-a.pdf http://cds.cern.ch/record/1606831/files/Figure_012-b.pdf http://cds.cern.ch/record/1606831/files/Figure_013-a.pdf http://cds.cern.ch/record/1606831/files/Figure_013-b.pdf http://cds.cern.ch/record/1606831/files/Figure_014-a.pdf http://cds.cern.ch/record/1606831/files/Figure_014-b.pdf http://cds.cern.ch/record/1606831/files/Figure_015.pdf http://cds.cern.ch/record/1606831/files/Figure_016-a.pdf http://cds.cern.ch/record/1606831/files/Figure_016-b.pdf

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