Searches for W′ bosons decaying to a top quark and a bottom quark in proton-proton collisions at 13 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, E. Asilar, T. Bergauer, J. Brandstetter, E. Brondolin, M. Dragicevic, J. Erö, M. Flechl, M. Friedl, R. Frühwirth, V. M. Ghete, J. Grossmann, N. Hörmann, J. Hrubec, M. Jeitler, A. König, I. KrätschmerD. Liko, T. Madlener, T. Matsushita, I. Mikulec, E. Pree, D. Rabady, N. Rad, H. Rohringer, J. Schieck, M. Spanring, D. Spitzbart, J. Strauss, W. Waltenberger, J. Wittmann, C. E. Wulz, M. Zarucki, V. Chekhovsky, V. Mossolov, J. Suarez Gonzalez, N. Shumeiko, E. A. De Wolf, X. Janssen, J. Lauwers, M. Van De Klundert, H. Van Haevermaet, A. Evans, Z. Lesko, S. Nourbakhsh, N. Ruckstuhl, N. Tambe, The CMS collaboration

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Abstract

Searches are presented for heavy gauge bosons decaying into a top and a bottom quark in data collected by the CMS experiment at s=13 TeV that correspond to an integrated luminosity of 2.2 and 2.6 fb−1 in the leptonic and hadronic analyses, respectively. Two final states are analyzed, one containing a single electron, or muon, and missing transverse momentum, and the other containing multiple jets and no electrons or muons. No evidence is found for a right-handed W′ boson (W′R) and the combined analyses exclude at 95% confidence level W′R with masses below 2.4 TeV if MW′R≫MνR (mass of the right-handed neutrino), and below 2.6 TeV if MW′R<MνR. The results provide the most stringent limits for right-handed W′ bosons in the top and bottom quark decay channel.[Figure not available: see fulltext.].

Original languageEnglish (US)
Article number29
JournalJournal of High Energy Physics
Volume2017
Issue number8
DOIs
StatePublished - Aug 1 2017

Keywords

  • Beyond Standard Model
  • Hadron-Hadron scattering (experiments)

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    Sirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., Brandstetter, J., Brondolin, E., Dragicevic, M., Erö, J., Flechl, M., Friedl, M., Frühwirth, R., Ghete, V. M., Grossmann, J., Hörmann, N., Hrubec, J., Jeitler, M., König, A., ... The CMS collaboration (2017). Searches for W′ bosons decaying to a top quark and a bottom quark in proton-proton collisions at 13 TeV. Journal of High Energy Physics, 2017(8), [29]. https://doi.org/10.1007/JHEP08(2017)029