Bibcode
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Flechl, M.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hartl, C.; Hörmann, N.; Hrubec, J.; Jeitler, M.; Knünz, V.; König, A.; Krammer, M.; Krätschmer, I.; Liko, D.; Matsushita, T.; Mikulec, I.; Rabady, D.; Rahbaran, B.; Rohringer, H.; Schieck, J.; Schöfbeck, R.; Strauss, J.; Treberer-Treberspurg, W.; Waltenberger, W.; Wulz, C.-E.; Mossolov, V.; Shumeiko, N.; Suarez Gonzalez, J.; Alderweireldt, S.; Cornelis, T.; de Wolf, E. A.; Janssen, X.; Knutsson, A.; Lauwers, J.; Luyckx, S.; Ochesanu, S.; Rougny, R.; van de Klundert, M.; van Haevermaet, H.; van Mechelen, P.; van Remortel, N.; van Spilbeeck, A.; Abu Zeid, S.; Blekman, F.; D'Hondt, J.; Daci, N.; de Bruyn, I.; Deroover, K.; Heracleous, N.; Keaveney, J.; Lowette, S.; Moreels, L.; Olbrechts, A.; Python, Q.; Strom, D.; Tavernier, S.; van Doninck, W.; van Mulders, P.; van Onsem, G. P.; van Parijs, I.; Barria, P.; Caillol, C.; Clerbaux, B.; de Lentdecker, G.; Delannoy, H.; Dobur, D.; Fasanella, G.; Favart, L.; Gay, A. P. R.; Grebenyuk, A.; Lenzi, T.; Léonard, A.; Maerschalk, T.; Mohammadi, A.; Perniè, L.; Randle-Conde, A.; Reis, T.; Seva, T.; Vander Velde, C.; Vanlaer, P.; Wang, J.; Yonamine, R.; Zenoni, F.; Zhang, F.; Beernaert, K.; Benucci, L.; Cimmino, A.; Crucy, S.; Fagot, A.; Garcia, G.; Gul, M. et al.
Bibliographical reference
Physical Review D, Volume 93, Issue 11, id.112009
Advertised on:
6
2016
Journal
Citations
87
Refereed citations
66
Description
A search for the production of a heavy B quark, having electric charge
-1 /3 and vector couplings to W , Z , and H bosons, is carried out using
proton-proton collision data recorded at the CERN LHC by the CMS
experiment, corresponding to an integrated luminosity of 19.7
fb-1 . The B quark is assumed to be pair produced and to
decay in one of three ways: to t W , b Z , or b H . The search is
carried out in final states with one, two, and more than two charged
leptons, as well as in fully hadronic final states. Each of the channels
in the exclusive final-state topologies is designed to be sensitive to
specific combinations of the B quark-antiquark pair decays. The observed
event yields are found to be consistent with the standard model
expectations in all the final states studied. A statistical combination
of these results is performed, and upper limits are set on the cross
section of the strongly produced B quark-antiquark pairs as a function
of the B quark mass. Lower limits on the B quark mass between 740 and
900 GeV are set at a 95% confidence level, depending on the values of
the branching fractions of the B quark to t W , b Z , and b H . Overall,
these limits are the most stringent to date.