Made available in DSpace on 2022-04-28T21:00:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-03-31; We have used a sample of γ+3 jets events collected by the D0 experiment with an integrated luminosity of about 1fb-1 to determine the fraction of events with double parton scattering (fDP) in a single pp̄ collision at √s=1.96TeV. The DP fraction and effective cross section (σeff), a process-independent ...