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Search for R-parity violating decays of supersymmetric particles in $e^+ e^-$ collisions at center-of-mass energies near 183-GeV

Research output: Contribution to journalJournal article

Published

<mark>Journal publication date</mark>03/2000
<mark>Journal</mark>The European Physical Journal C (EPJ C) - Particles and Fields
Issue1
Volume13
Number of pages18
Pages29-46
<mark>Original language</mark>English

Abstract

Searches for pair-production of supersymmetric particles under the assumption that R-parity is violated via a single dominant LLE¯ , LQD¯ or U¯D¯D¯ coupling are performed using the data collected by the ALEPH collaboration at centre-of-mass energies of 181–184 GeV. The observed candidate events in the data are in agreement with the Standard Model expectations. Upper limits on the production cross-sections and lower limits on the masses of charginos, sleptons, squarks and sneutrinos are derived.