High-pT ψψ production as signals for Double Parton scattering at hadron colliders
نویسنده
چکیده
We present an analysis of the ψψ production from double parton (DP) sacttering and single parton (SP) scattering in the large pT region via color-octet gluon fragmentation. We find that at the Tevatron the DP ψψ 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 pT (min) region (i.e., pT (min) < 7GeV ). We also conclude that the color-octet mechanism is of crucial importance to the double J/ψ production at high energy hadron colliders. PACS number(s): 13.85.Ni, 14.40.Gx
منابع مشابه
High-pT ψψ production as strong signals for Double Parton scattering at the Tevatron
We present an analysis of ψψ production from the double parton (DP) sacttering and the single parton (SP) scattering in the large pT region via color-octet gluon fragmentation. We find that the integrated cross section from the DP scattering dominates remarkably over that from the SP scattering in a rather wide range of pT (min) for J/ψ. For pT (min) = 5GeV the former is two order of magnitude ...
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