Search For Squarks And Gluinos At DO

TL;DR

This paper reports a search for scalar quarks and gluinos in proton-antiproton collisions, finding no evidence of new particles and setting exclusion limits on their masses within a supersymmetric model.

Contribution

First search for squarks and gluinos at the Fermilab Tevatron using 0.96 fb^{-1} of data, establishing new exclusion limits within minimal supergravity.

Findings

Data consistent with Standard Model expectations.

Set 95% C.L. exclusion limits on squark and gluino masses.

Excluded regions in the (m_0, m_{1/2}) parameter space.

Abstract

A search for scalar quarks and gluinos is performed with 0.96 fb^{-1} of data collected by the DO experiment in p\bar{p} collisions at \sqrt{s}=1.96 TeV at the Fermilab Tevatron Collider. The topologies analyzed consist of acoplanar jets and multijet events with missing transverse energy. We find the data to be consistent with Standard Model expectations, and set 95% C.L. exclusion domains in the squark and gluino mass plane and in the (m_0, m_{1/2}) plane, within the framework of minimal supergravity with tan\beta=3, A_0=0 and \mu<0.