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We discuss singularity variables which are properly suited for analyzing thekinematics of events with missing transverse energy at the LHC. We consider sixof the simplest event topologies encountered in studies of leptonic W-bosonsand top quarks, as well as in SUSY-like searches for new physics with darkmatter particles. In each case, we illustrate the general prescription forfinding the relevant singularity variable, which in turn helps delineate thevisible parameter subspace on which the singularities are located. Our resultscan be used in two different ways - first, as a guide for targeting thesignal-rich regions of parameter space during the stage of discovery, andsecond, as a sensitive focus point method for measuring the particle massspectrum after the initial discovery.

Singularity Variables for Missing Energy Event Kinematics