# Search for R-Parity Violating Decays of Supersymmetric Particles in $e^{+} e^{-}$ Collisions at Centre-of-Mass Energies near 183 GeV

Abstract : Searches for pair-production of supersymmetric particles under the assumption that R-parity is violated via a single dominant $LL{\bar E}$, $LQ{\bar D}$ or ${\bar U} {\bar D} {\bar D}$ 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 de rived.
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Journal articles
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http://hal.in2p3.fr/in2p3-00005178
Contributor : Magali Damoiseaux <>
Submitted on : Friday, May 12, 2000 - 5:32:41 PM
Last modification on : Tuesday, April 20, 2021 - 12:00:04 PM
Long-term archiving on: : Tuesday, November 22, 2016 - 4:56:11 PM

### Identifiers

• HAL Id : in2p3-00005178, version 1

### Citation

R. Barate, D. Decamp, P. Ghez, C. Goy, S. Jezequel, et al.. Search for R-Parity Violating Decays of Supersymmetric Particles in $e^{+} e^{-}$ Collisions at Centre-of-Mass Energies near 183 GeV. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2000, 13, pp.29-46. ⟨in2p3-00005178⟩

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