Single Top Production as a Probe of B-prime Quarks


Abstract in English

We show how single top production at the LHC can be used to discover (and characterize the couplings of) B quarks, which are an essential part of many natural models of new physics beyond the Standard Model. We present the B effective model and concentrate on resonant production via a colored anomalous magnetic moment. Generally, Bs preferentially decay into a single top quark produced in association with a W boson; thus, this production process makes associated single top production essential to B searches at the LHC. We demonstrate the background processes are manageable and the signal cross section is sufficient to yield a large signal significance even during the 7 TeV LHC run. Specifically, we show that B masses of 700 GeV or more can be probed. Moreover, if a B is found, then the chirality of its coupling can be determined. Finally, we present signal cross sections for several different LHC energies.

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