Characteristics of possible neutral-heavy-lepton production in muon reactions

We study the production of a neutral heavy lepton by an incident muon via the reaction μ+- + N → (M-bar)0 + X followed by the decay (M-bar)0 → μ-μ+xxx . We analyze the experimentally observable characteristics of the resulting dimuon pair and present distributions in final-muon energy, hadron energy, total visible energy, muon transverse momenta, and dimuon invariant-mass and azimuthal-angle correlations. On the basis of this study we formulate a set of cuts and tests which can be used to search for the dimuon signal from the (M-bar)0. The main features of various backgrounds are briefly discussed from the viewpoint of discriminating between them and the (M-bar)0 signal. Our analysis is directly applicable to a current muon experiment being conducted by a Berkeley-Fermilab-Princeton collaboration