Single production of vectorlike $B$ quarks at the CLIC

Abstract

The vector-like quarks are predicted in many new physics scenarios beyond the Standard Model~(SM) and could be seen potential signatures of new physics at the TeV energy scale. In this work, we study single production of exotic singlet and doublet vectorlike bottom quarks (VLQ-$B$) at future Compact Linear Collider~(CLIC) via the process $e^{+}{e}^{-}\to B\bar{b}$ with the decay channel $B\to bZ$ and two types of modes: $Z\to {\ell }^{+}{\ell }^{-}$ and $Z\to \nu \bar{\nu }$. We calculate the cross sections of signal and relevant SM backgrounds. After a fast simulation of the signal and background events, the exclusion limit at 95\% confidence level and $5\sigma$ discovery prospects on the parameters (the coupling strength ${\kappa }_B$ and the VLQ-$B$ mass) have been, respectively, presented at the future CLIC with centre of mass energy $\sqrt{s}=3$ TeV and integrated luminosity of 5~ab${}^{-1}$.

arXiv comment16 pages, 5 figures

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• Search for single production of vectorlike $B$-quarks at the LHC
• Single production of vector-like $T$ quark at future high-energy linear $e^{+}{e}^{-}$ collider
• Search for single vector-like $B$ quark production in hadronic final states at the LHC
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• Exploring vector-like $B$-quark pair production at CLIC in fully hadronic final states