A Search for selectrons and squarks at HERA

Data from electron-proton collisions at a center-of-mass energy of 300 GeV are used for a search for selectrons and squarks within the framework of the minimal supersymmetric model. The decays of selectrons and squarks into the lightest supersymmetric particle lead to final states with an electron and hadrons accompanied by large missing energy and transverse momentum. No signal is found and new bounds on the existence of these particles are derived. At 95\% confidence level the excluded region extends to 65 GeV for selectron and squark masses, and to 40 GeV for the mass of the lightest supersymmetric particle.

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13 pages, latex, 6 Figures Report-no: DESY 96-082

electron p: colliding beams
colliding beams: electron p
sparticle: search for
postulated particle: selectron
postulated particle: squark
sparticle: pair production
pair production: sparticle
sparticle: decay
decay: sparticle
supersymmetry

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