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Pré-Publication, Document De Travail Année : 2013

Perturbative QCD correlations in multi-parton collisions

Résumé

Tevatron studies of multi-jet production in the back-to-back kinematics corresponding to parton momenta x_i ~ 0.01 have confirmed the presence of double hard interactions in a single hadron--hadron collision. The independent parton approximation underestimates the observed cross section by a factor of two. In this paper we point at previously overlooked three-parton interactions that introduce perturbative correlation between partons and resolve this longstanding puzzle.

Dates et versions

hal-00835349 , version 1 (18-06-2013)

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B. Blok, Yu. Dokshitzer, L. Frankfurt, M. Strikman. Perturbative QCD correlations in multi-parton collisions. 2013. ⟨hal-00835349⟩
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