CaltechAUTHORS
Published July 4, 2011 | Published
Journal Article Open

Search for a W' boson decaying to a muon and a neutrino in pp collisions at √s = 7 TeV

Chatrchyan, S.
Apresyan, A. ORCID icon
Bornheim, A. ORCID icon
Bunn, J. ORCID icon
Chen, Y. ORCID icon
Gataullin, M.
Ma, Y.
Mott, A.
Newman, H. B. ORCID icon
Rogan, C. ORCID icon
Shin, K.
Timciuc, V.
Traczyk, P.
Veverka, J.
Wilkinson, R.
Yang, Y.
Zhu, R. Y. ORCID icon
Dubinin, M.
Spiropulu, M. ORCID icon
CMS Collaboration
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Abstract

A new heavy gauge boson, W′, decaying to a muon and a neutrino, is searched for in pp collisions at a centre-of-mass energy of 7 TeV. The data, collected with the CMS detector at the LHC, correspond to an integrated luminosity of 36 pb^(−1). No significant excess of events above the standard model expectation is found in the transverse mass distribution of the muon–neutrino system. Masses below 1.40 TeV are excluded at the 95% confidence level for a sequential standard-model-like W′. The W′ mass lower limit increases to 1.58 TeV when the present analysis is combined with the CMS result for the electron channel

Additional Information

© 2011 CERN. Published by Elsevier B.V. This article is published Open Access at sciencedirect.com. It is distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited. Received 1 March 2011; revised 19 May 2011; Accepted 19 May 2011. Editor: M. Doser. Available online 26 May 2011. 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, ME, 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); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia); MSTD (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (USA).

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