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Search for a Higgs boson decaying into a b-quark pair and produced in association with b quarks in proton–proton collisions at 7 TeV

CMS Collaboration, Serguei Chatrchyan, Felix Bachmair, Lukas Bäni, Pierluigi Bortignon, Marco A. Buchmann, Bruno Casal Laraña, Nicolas Chanon, Amanda Deisher, Günther Dissertori, Michael Dittmar, Mauro Donegà (+35 others)
2013

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A search for a neutral Higgs boson decaying to a pair of b quarks, and produced in association with at least one additional b quark, is presented. Multijet final states with three jets identified as originating from b quarks, at least one of which may include a non-isolated muon, are studied. The data used in this analysis correspond to an integrated luminosity of 2.7-4.8 fb −1 , collected by the CMS experiment in proton-proton collisions at the LHC at a center-of-mass energy of 7 TeV. This
more » ... ch is particularly sensitive to Higgs bosons in scenarios of the Minimal Supersymmetric Model (MSSM) with large values of tan β. No excess over the predicted background from standard model processes is observed. Stringent upper limits on cross section times branching fraction are derived and interpreted as bounds in the MSSM tan β and m A parameter-space. Observed 95% confidence level upper limits reach as low as tan β ≈ 18 for M A ≈ 100 GeV.
doi:10.3929/ethz-b-000069115 fatcat:ika6njy7azgkpj33vld5zmsifi
Citation

CMS Collaboration, Serguei Chatrchyan, Felix Bachmair, Lukas Bäni, Pierluigi Bortignon, Marco A. Buchmann, Bruno Casal Laraña, Nicolas Chanon, Amanda Deisher, Günther Dissertori, Michael Dittmar, Mauro Donegà, Marc Dünser, Philipp Eller, Jürg Eugster, Klaus Freudenreich, Christoph Grab, Dmitry Hits, Pierre Lecomte, Werner Lustermann, Andrea C. Marini, Pablo Martinez Ruiz Del Arbol, Niklas Mohr, Filip Moortgat, Christoph Nägeli, Pascal Nef, Francesca Nessi-Tedaldi, Francesco Pandolfi, Luc Pape, Felicitas Pauss, Marco Peruzzi, Frédéric J. Ronga, Marco Rossini, Leonardo Sala, Ann-Karin Sanchez, Andrey Starodumov, Benjamin Stieger, Maiko Takahashi, Ludwig Tauscher, Alessandro Thea, Konstantinos Theofilatos, Daniel Treille, Christina Urscheler, Rainer Wallny, Hannsjörg A. Weber, Lukas Wehrli, Et Al.. "Search for a Higgs boson decaying into a b-quark pair and produced in association with b quarks in proton–proton collisions at 7 TeV." (2013)