Combination of CDF and D0 Limits on a Gauge Mediated SUSY Model Using Diphoton and Missing Transverse Energy Channel

TL;DR

This paper combines results from CDF and D0 experiments to set improved limits on chargino and neutralino production in Gauge-Mediated SUSY models using diphoton and missing transverse energy channels at the Tevatron.

Contribution

It presents a combined analysis of two experiments' data, leading to more stringent limits on SUSY particle masses than previous individual results.

Findings

Chargino mass less than 209 GeV/c^2 excluded

Combined analysis extends individual experimental limits

Results improve constraints on Gauge-Mediated SUSY models

Abstract

We combine the results of the CDF and D0 searches for chargino and neutralino production in Gauge-Mediated SUSY using the two-photon and missing Et channel. The data are p-pbar collisions produced at the Tevatron with sqrt(s)=1.96 TeV, with 202 pb^-1 collected at CDF and 263 pb^-1 collected at D0. The combined limit excludes a chargino mass less than 209 GeV/c^2. This result significantly extends the individual experimental limits.