Search for 3- and 4-body decays of the scalar top quark in proton-antiproton collisions at sqrt {s}=1.8 TeV.

DØ Collaboration, The and Bertram, I. A. (2004) Search for 3- and 4-body decays of the scalar top quark in proton-antiproton collisions at sqrt {s}=1.8 TeV. Physics Letters B, 581 (3-4). pp. 147-155. ISSN 0370-2693

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Abstract

We have searched for the signature of 3- and 4-body decays of pair-produced scalar top quarks (stop) in the inclusive final state containing an electron, a muon, and significant missing transverse energy using a sample of events corresponding to 108.3 pb−1 of data collected with the DØ detector at Fermilab. The search is done in the framework of the minimal supersymmetric standard model assuming that the neutralino ( ) is the lightest supersymmetric particle and is stable. No evidence for a signal is found and we derive cross-section upper limits as a function of stop ( ) and neutralino masses in different decay scenarios leading to the final state.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
23944
Deposited By:
Deposited On:
24 Feb 2009 11:14
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2020 02:13