Search for light top squarks in p¯p collisions at √s = 1.8 TeV

D0 Collaboration

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

We present a search for pair produced top squarks, the supersymmetric partners of the top quark, using the D0 detector at the Fermilab Tevatron p¯p collider. We consider a scenario in which the lighter of the two top squarks ˜t1 decays with 100% branching fraction to a charm quark and the lightest neutralino ˜χ0 1 yielding a signal of two acollinear jets with missing transverse energy. We observe 3 events while we expect 3.5 α 1.2 events from the known standard model processes. We exclude at the 95% confidence level a significant region of the mt1 - mχ1 0 parameter space. The highest mt1 value we exclude is 93GeV/c2 with a corresponding mχ1 0 value of 8GeV/c2.

Original languageEnglish
Pages (from-to)2222-2227
Number of pages6
JournalPhysical Review Letters
Volume76
Issue number13
DOIs
StatePublished - 1996

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