High-$p_T$ $ψψ$ production as signals for Double Parton scattering at hadron colliders

Details High-$p_T$ $ψψ$ production as signals for Double Parton scattering at hadron colliders High-$p_T$ $ψψ$ production as signals for Double Parton scattering at hadron colliders

1997-06-09

arxiv.org/abs/hep-ph/9706293v2

J.Phys.G24:1105-1112,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revtex, 12 pages, 3 Postscript figures

Scientific paper

10.1088/0954-3899/24/6/005

We present an analysis of the \psi\psi production from double parton (DP) sacttering and single parton (SP) scattering in the large p_T region via color-octet gluon fragmentation. We find that at the Tevatron the DP \psi\psi production is at the edge of the detectability at present, and at the LHC the DP cross section will dominate over the SP cross section in the lower p_T(min) region (i.e., p_T(min)<7GeV). We also conclude that the color-octet mechanism is of crucial importance to the double j/psi production at high energy hadron colliders.

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