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Search for R-parity violating decays of supersymmetric particles in \(\mathrm{e^+e^-}\) collisions at \(\sqrt{s}=\) 189 GeV

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The European Physical Journal C - Particles and Fields Aims and scope Submit manuscript

Abstract.

A search for chargino, neutralino and scalar lepton pair-production in \(\mathrm{e^+e^-}\) collisions at the centre-of-mass energy of 189 GeV is performed under the assumptions that R-parity is not conserved in decays and only one of the coupling constants \(\lambda_{ijk}, \lambda'_{ijk}\) or \(\lambda''_{ijk}\) is non-negligible. No signal is found in a data sample corresponding to an integrated luminosity of 176.4 pb\(^{-1}\). Limits on the production cross sections, on the Minimal Supersymmetric Standard Model parameters and on the masses of the supersymmetric particles are derived.

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Received: 11 October 2000 / Published online: 23 March 2001

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The L3 Collaboration., Acciarri et al., M. Search for R-parity violating decays of supersymmetric particles in \(\mathrm{e^+e^-}\) collisions at \(\sqrt{s}=\) 189 GeV. Eur. Phys. J. C 19, 397–414 (2001). https://doi.org/10.1007/s100520100608

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  • DOI: https://doi.org/10.1007/s100520100608

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