M_T2-assisted on-shell reconstruction of missing momenta and its application to spin measurement at the LHC

27 Oct 2008Won Sang ChoKiwoon ChoiYeong Gyun KimChan Beom Park

We propose a scheme to assign a 4-momentum to each WIMP in new physics event producing a pair of mother particles each of which decays to an invisible weakly interacting massive particle (WIMP) plus some visible particle(s). The transverse components are given by the value that determines the event variable M_T2, while the longitudinal component is determined by the on-shell condition on the mother particle... (read more)

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