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Search for squarks and gluinos in single-photon events with jets and large missing transverse energy in p(p)over-bar collisions at root s = 1.8 TeV
Baringer, Philip S.
Baringer, Philip S.
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Abstract
We search for new physics using events with one high transverse energy photon, two or more jets, and an apparent imbalance in transverse energy, in p (p) over bar collisions at the Fermilab Tevatron at root s = 1.8 TeV. Such events are predicted for production of supersymmetric particles in some models. No excess is observed beyond expected background. For the parameter space of the minimal supersymmetric standard model with branching fraction B(<(chi)over tilde>(0)(2) --> gamma<(chi)over tilde>(0)(1)) = and m<(chi)over tilde>(0)(2) - m<(chi)over tilde>(0)(1) > 20 GeV, we obtain a 95% confidence level lower mass limit of 310 GeV for equal mass squarks and gluinos. The results are also interpreted in models with low energy gauge mediated supersymmetry breaking. [S0031-9007(98)08065-X].
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1999-01
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AMERICAN PHYSICAL SOC
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Abbott, B; Abolins, M, et al. Search for squarks and gluinos in single-photon events with jets and large missing transverse energy in p(p)over-bar collisions at root s = 1.8 TeV. PHYSICAL REVIEW LETTERS. January 1999. 82(1) : 29-34