Title
Combined results of searches for the standard model Higgs boson in pp collisions at s=7 TeV
Date Issued
29 March 2012
Access level
open access
Resource Type
journal article
Author(s)
Chatrchyan S.
Khachatryan V.
Sirunyan A.M.
Tumasyan A.
Adam W.
Bergauer T.
Dragicevic M.
Erö J.
Fabjan C.
Friedl M.
Frühwirth R.
Ghete V.M.
Hammer J.
Hoch M.
Hörmann N.
Hrubec J.
Jeitler M.
Kiesenhofer W.
Krammer M.
Liko D.
Mikulec I.
Pernicka M.
Rahbaran B.
Rohringer C.
Rohringer H.
Schöfbeck R.
Strauss J.
Taurok A.
Teischinger F.
Wagner P.
Waltenberger W.
Walzel G.
Widl E.
Wulz C.E.
Mossolov V.
Shumeiko N.
Suarez J.
Bansal S.
Benucci L.
Cornelis T.
De E.A.
Janssen X.
Luyckx S.
Maes T.
Mucibello L.
Ochesanu S.
Roland B.
Rougny R.
Selvaggi M.
Van H.
Van P.
Van N.
Van A.
Blekman F.
Blyweert S.
D'Hondt J.
Gonzalez R.
Kalogeropoulos A.
Maes M.
Olbrechts A.
Van W.
Van P.
Van G.P.
Villella I.
Charaf O.
Clerbaux B.
De G.
Dero V.
Gay A.P.R.
Hammad G.H.
Hreus T.
Léonard A.
Marage P.E.
Thomas L.
Vander C.
Vanlaer P.
Wickens J.
Adler V.
Beernaert K.
Cimmino A.
Costantini S.
Garcia G.
Grunewald M.
Klein B.
Lellouch J.
Marinov A.
Mccartin J.
Ocampo A.A.
Ryckbosch D.
Strobbe N.
Thyssen F.
Tytgat M.
Vanelderen L.
Verwilligen P.
Walsh S.
Yazgan E.
Zaganidis N.
Basegmez S.
Bruno G.
Ceard L.
Abstract
Combined results are reported from searches for the standard model Higgs boson in proton-proton collisions at s=7 TeV in five Higgs boson decay modes: γγ, bb, ττ, WW, and ZZ. The explored Higgs boson mass range is 110-600 GeV. The analysed data correspond to an integrated luminosity of 4.6-4.8 fb -1. The expected excluded mass range in the absence of the standard model Higgs boson is 118-543 GeV at 95% CL. The observed results exclude the standard model Higgs boson in the mass range 127-600 GeV at 95% CL, and in the mass range 129-525 GeV at 99% CL. An excess of events above the expected standard model background is observed at the low end of the explored mass range making the observed limits weaker than expected in the absence of a signal. The largest excess, with a local significance of 3.1σ, is observed for a Higgs boson mass hypothesis of 124 GeV. The global significance of observing an excess with a local significance ≥3.1σ anywhere in the search range 110-600 (110-145) GeV is estimated to be 1.5σ(2.1σ). More data are required to ascertain the origin of the observed excess.
Start page
26
End page
48
Volume
710
Issue
1
Language
English
OCDE Knowledge area
Física de partículas, Campos de la Física
Subjects
Scopus EID
2-s2.0-84863337848
Source
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ISSN of the container
03702693
Sponsor(s)
We wish to congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC machine. We thank the technical and administrative staff at CERN and other CMS institutes, and acknowledge support from: FMSR (Austria); FNRS and FWO (Belgium); CNPq , CAPES , FAPERJ , and FAPESP (Brazil); MES (Bulgaria); CERN ; CAS , MoST , and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences and NICPB (Estonia); Academy of Finland , MEC , and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF , DFG , and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF and WCU (Korea); LAS (Lithuania); CINVESTAV , CONACYT , SEP , and UASLP-FAI (Mexico); MSI (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MON , RosAtom , RAS and RFBR (Russia); MSTD (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (USA).
Sources of information:
Directorio de Producción Científica
Scopus