Search for R-parity Violating Supersymmetry in Dimuon and Four-Jets Channel
D0 collaboration, V.M. Abazov etal
TL;DR
This paper reports a search for R-parity-violating decays of the neutralino in supersymmetry, using data from the D0 experiment at Fermilab, focusing on specific lepton-number violating couplings in proton-antiproton collisions.
Contribution
It presents the first search for R-parity-violating neutralino decays via lambda-prime couplings using Tevatron data, setting constraints on such processes.
Findings
No evidence of R-parity-violating neutralino decays was observed.
Limits were placed on the coupling strengths and neutralino masses.
The results improve previous bounds on R-parity violation in supersymmetry.
Abstract
We present results of a search for R-parity-violating decay of the neutralino chi_1^0, taken to be the Lightest Supersymmetric Particle. It is assumed that this decay proceeds through one of the lepton-number violating couplings lambda-prime_2jk (j=1,2; k=1,2,3). This search is based on 77.5 pb-1 of data, collected by the D0 experiment at the Fermilab Tevatron in ppbar collisions at a center of mass energy of 1.8 TeV in 1992-1995.
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