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Search for leptoquarks in electron–photon scattering at √see up to 209 GeV at LEP

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  • OPAL Collaboration
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<mark>Journal publication date</mark>7/02/2002
<mark>Journal</mark>Physics Letters B
Issue number3-4
Volume526
Number of pages14
Pages (from-to)233-246
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Searches for first generation scalar and vector leptoquarks, and for squarks in R-parity violating SUSY models with the direct decay of the squark into Standard Model particles, have been performed using e+e− collisions collected with the OPAL detector at LEP at e+e− centre-of-mass energies between 189 and 209 GeV. No excess of events is found over the expectation from Standard Model background processes. Limits are computed on the leptoquark couplings for different values of the branching ratio to electron–quark final states.