Based on a simplified model including a singlet vector-like top quark T with charge|Q|=2/3,we analyze the prospects of observing T via the single T production in the tZ channel with Z decaying to neutrinos at the hadr...Based on a simplified model including a singlet vector-like top quark T with charge|Q|=2/3,we analyze the prospects of observing T via the single T production in the tZ channel with Z decaying to neutrinos at the hadronhadron colliders.This simplified model only includes two free parameters,the coupling constant g^(*)and the T quark mass m_(T).To investigate the observability of the single T production,we perform a detailed background analysis and detector simulation for the collision energies 14 TeV,27 TeV,and 100 TeV.We scan the g^(*)-m_(T)parameter space and show the exclusion and discovery capabilities on the T quark with the highest integrated luminosity designed at these colliders.Moreover,the limits from the narrow-width approximation and electro weak precision observables are considered.展开更多
基金Supported by the National Natural Science Foundation of China(NNSFC)(11705048)the National Research Project Cultivation Foundation of Henan Normal University(2020PL16,2021PL10)+1 种基金the Startup Foundation for Doctors of Henan Normal University(qd18115)powered by the High Performance Computing Center of Henan Normal University。
文摘Based on a simplified model including a singlet vector-like top quark T with charge|Q|=2/3,we analyze the prospects of observing T via the single T production in the tZ channel with Z decaying to neutrinos at the hadronhadron colliders.This simplified model only includes two free parameters,the coupling constant g^(*)and the T quark mass m_(T).To investigate the observability of the single T production,we perform a detailed background analysis and detector simulation for the collision energies 14 TeV,27 TeV,and 100 TeV.We scan the g^(*)-m_(T)parameter space and show the exclusion and discovery capabilities on the T quark with the highest integrated luminosity designed at these colliders.Moreover,the limits from the narrow-width approximation and electro weak precision observables are considered.