Search for the associated production of a Higgs boson with a single top quark in proton-proton collisions at sqrt(s) = 8 TeV

CMS Collaboration, Shimaa Abu Zeid, Freya Blekman, Jorgen D'Hondt, Nadir Daci, Isabelle Helena De Bruyn, Kevin Deroover, Natalie Heracleous, James Keaveney, Steven Lowette, Lieselotte Moreels, Annik Olbrechts, Quentin Python, Derek Strom, Stefaan Tavernier, Walter Van Doninck, Petra Van Mulders, Gerrit Van Onsem, Isis Marina Van Parijs

Research output: Contribution to journalArticle

12 Citations (Scopus)
35 Downloads (Pure)

Abstract

This paper presents the search for the production of a Higgs boson in association with a single top quark (tHq), using data collected in proton-proton collisions at a center-of-mass energy of 8 TeV corresponding to an integrated luminosity of 19.7 inverse femtobarns. The search exploits a variety of Higgs boson decay modes resulting in final states with photons, bottom quarks, and multiple charged leptons, including tau leptons, and employs a variety of multivariate techniques to maximize sensitivity to the signal. The analysis is optimized for the opposite sign of the Yukawa coupling to that in the standard model and corresponding to a large enhancement of the signal cross section. In the absence of an excess of candidate signal events over the background predictions, 95% confidence level observed (expected) upper limits on anomalous tHq production are set, ranging between 600 (450) fb and 1000 (700) fb depending on the assumed diphoton branching fraction of the Higgs boson. This is the first time that results on anomalous tHq production have been reported.
Original languageEnglish
Article number177
Number of pages47
JournalThe Journal of high energy physics
Volume2016
Issue number06
DOIs
Publication statusPublished - 30 Jun 2016

Bibliographical note

Replaced with published version. Added the journal reference and DOI. All figures and tables, including additional figures, can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/HIG-14-027/index.html

Keywords

  • hep-ex

Fingerprint Dive into the research topics of 'Search for the associated production of a Higgs boson with a single top quark in proton-proton collisions at sqrt(s) = 8 TeV'. Together they form a unique fingerprint.

Cite this