Search for R-parity violating supersymmetry in $p\bar{p}$ collisions at $\sqrt{s}$ = 1.8-TeV

Abstract

with lower $$P_T$$ threshold (8 GeV /c) and without prescale even at high luminosity. The $$Z \to \tau\tau$$ event, where one $$\tau$$-lepton decays leptonically and the other hadronically, is a good benchmark to calibrate the the lepton plus track trigger and T identification. The data sample of 72 $$pb^{-1}$$ , collected using the electron plus track trigger, contains clear a $$\tau$$ signal from $$Z \to \tau\tau$$ events. The data used in stop search correspond to 200 $$pb^{-1}$$ . The lower stop mass bound of 134 GeV/c2 at a 95% confidence level is obtained. This limit is also directly applicable to the case of the third generation scalar leptoquark ($$LQ_3$$) assuming a 100% branching for the $$LQ_3 \to \tau b$$ decay mode.

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