A Study of Four-jet Events and Search for Double Parton Interactions at [radical]
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Author | : |
Publisher | : |
Total Pages | : 5 |
Release | : 1992 |
ISBN-10 | : OCLC:727324768 |
ISBN-13 | : |
Rating | : 4/5 (68 Downloads) |
Book Synopsis A Study of Four-jet Events and Search for Double Parton Interactions at [radical] by :
Book excerpt: Kinematic properties of four-jet events in p[bar p] collisions at [radical]s = 1.8 TeV are compared with the predictions of leading order quantum chromodynamics. We place an upper limit on the double parton scattering cross of [sigma][sub DP] 120 nb (95% C.L.) for partons with transverse momenta greater than 18 GeV/c. Defining the effective cross section [sigma][sub eff] through the equation of [sigma][sub eff] = [sigma][sub DP] = [sigma][sub dijet]/([sup 2]/[sigma][sub eff]), where [sigma][sub dijet] is the cross section for two-jets events, the limit [sigma][sub eff] 3.9 mb (95% C.L.) is also placed. Implications for physics at the SSC ([radical]s = 40 TeV) are discussed.