Search for Supersymmetry in Di-Photon Final States at sqrt{s} = 1.96 TeV

Details Search for Supersymmetry in Di-Photon Final States at sqrt{s} = 1.96 TeV Search for Supersymmetry in Di-Photon Final States at sqrt{s} = 1.96 TeV

2007-10-21

arxiv.org/abs/0710.3946v1

Phys.Lett.B659:856-863,2008

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1016/j.physletb.2007.12.006

We report results of a search for supersymmetry (SUSY) with gauge-mediated symmetry breaking in di-photon events collected by the D0 experiment at the Fermilab Tevatron Collider in 2002--2006. In 1.1 fb$^{-1}$ of data, we find no significant excess beyond the background expected from the standard model and set the most stringent lower limits to date for a standard benchmark model on the lightest neutralino and chargino masses of 125 GeV and 229 GeV, respectively, at 95% confidence.

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