Search for scalar superpartners of the top quark

I. I. Bigi, Serge Rudaz

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

The phenomenology of top squarks is investigated in the framework of a large class of models based on spontaneously-broken local supersymmetry, in which the top quark often has a scalar superpartner lighter than mt. We find that two-body (one-loop) decays of top squarks lighter than top quarks dominate over four-body (tree-level) decays. We also focus on the changes expected in the decay patterns of the top quark given a light scalar top, and argue that the observation of top quarks decaying according to standard-model expectations would serve to rule out many models with light scalar top and light gauginos.

Original languageEnglish (US)
Pages (from-to)335-340
Number of pages6
JournalPhysics Letters B
Volume153
Issue number4-5
DOIs
StatePublished - Apr 4 1985

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