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

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>7/02/2008
<mark>Journal</mark>Physics Letters B
Issue number5
Number of pages8
Pages (from-to)856-863
<mark>Original language</mark>English


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.