Searches for scalar quarks in e+e- interactions at √s = 189 GeV

L3 Collaboration

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP. No signals are observed. Model-independent limits on the scalar top production cross sections are determined for the decay modes t1 → cx1/0 and t1 → blv. For scalar quarks of the other flavours q → qx1/0 decays are considered. Within the framework of the Minimal Supersymmetric Standard Model mass limits are set at 95% C.L. for these particles. Indirect limits on the gluino mass are also derived.

Original languageEnglish (US)
Pages (from-to)308-320
Number of pages13
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number2-3
StatePublished - Dec 30 1999

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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