Search for diphoton events with large missing transverse energy in 6.3 fb-1 of ppbar collisions at sqrt(s)=1.96 TeV

Details Search for diphoton events with large missing transverse energy in 6.3 fb-1 of ppbar collisions at sqrt(s)=1.96 TeV Search for diphoton events with large missing transverse energy in 6.3 fb-1 of ppbar collisions at sqrt(s)=1.96 TeV

2010-08-12

arxiv.org/abs/1008.2133v1

Phys.Rev.Lett.105:221802,2010

Physics

High Energy Physics

High Energy Physics - Experiment

Submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.105.221802

We report a search for diphoton events with large missing transverse energy produced in ppbar collisions at sqrt(s)=1.96 TeV. The data were collected with the D0 detector at the Fermilab Tevatron Collider, and correspond to 6.3 fb-1 of integrated luminosity. The observed missing transverse energy distribution is well described by the standard model prediction, and 95% C.L. limits are derived on two realizations of theories beyond the standard model. In a gauge mediated supersymmetry breaking scenario, the breaking scale Lambda is excluded for Lambda < 124 TeV. In a universal extra dimension model including gravitational decays, the compactification radius R_c is excluded for R_c-1 < 477 GeV.

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