The standard model is a successful theory but is lacking a mechanism for neutrino mass generation as well as a solution to the naturalness problem.In the models that are proposed to simultaneously solve the two proble...The standard model is a successful theory but is lacking a mechanism for neutrino mass generation as well as a solution to the naturalness problem.In the models that are proposed to simultaneously solve the two problems,heavy Majorana neutrinos and top partners are usually predicted to lead to a new decay mode of the top partner mediated by the heavy Majorana neutrinos:T→b W^+→b l^+l^+qq^1.In this paper,we will study the observability of such a new signature via the pair production process of a top partner pp→TT→2 b+l^±l^±+4 j in a model independent way.By performing Monte Carlo simulations,we present the 2σexclusion limits of the top partner mass and mixing parameters at the HL-LHC.展开更多
基金supported by the National Natural Science Foundation of China(NNSFC)under grant Nos.11847208 and 11705093the Jiangsu Planned Projects for Postdoctoral Research Funds under grant No.2019K197。
文摘The standard model is a successful theory but is lacking a mechanism for neutrino mass generation as well as a solution to the naturalness problem.In the models that are proposed to simultaneously solve the two problems,heavy Majorana neutrinos and top partners are usually predicted to lead to a new decay mode of the top partner mediated by the heavy Majorana neutrinos:T→b W^+→b l^+l^+qq^1.In this paper,we will study the observability of such a new signature via the pair production process of a top partner pp→TT→2 b+l^±l^±+4 j in a model independent way.By performing Monte Carlo simulations,we present the 2σexclusion limits of the top partner mass and mixing parameters at the HL-LHC.
