Search for light top squarks in collisions at TeV
Collaboration
16 pages
Published in:
- Phys.Rev.Lett. 76 (1996) 2222-2227
Report number:
- FERMILAB-PUB-95-380-E
Experiments:
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Abstract: (APS)
We present a search for pair produced top squarks, the supersymmetric partners of the top quark, using the D0 detector at the Fermilab Tevatron pp¯ collider. We consider a scenario in which the lighter of the two top squarks t̃1 decays with 100% branching fraction to a charm quark and the lightest neutralino χ̃10 yielding a signal of two acollinear jets with missing transverse energy. We observe 3 events while we expect 3.5±1.2 events from the known standard model processes. We exclude at the 95% confidence level a significant region of the mt̃1- mχ̃10 parameter space. The highest mt̃1 value we exclude is 93GeV/c2 with a corresponding mχ̃10 value of 8GeV/c2.- D0
- anti-p p: colliding beams
- colliding beams: anti-p p
- anti-p p: inclusive reaction
- sparticle: search for
- postulated particle: squark
- squark: top
- squark: pair production
- pair production: squark
- decay: squark
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