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Scale Factor in Double Parton Collisions and Parton Densities in Transverse Space
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Scale Factor in Double Parton Collisions and Parton Densities in Transverse Space
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The scale factor $\sigma_{eff}$, which characterizes double parton collisions in high energy hadron interactions, is a direct manifestation of the distribution of the interacting partons in transverse space, in such a way that different distributions give rise to different values of $\sigma_{eff}$ in different double parton collision processes. We work out the value of the scale factor in a few reactions of interest, in a correlated model of the multi-parton density of the proton recently proposed.
Forward citations
Cited by 2 Pith papers
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Momentum fraction and hard scale dependence of double parton scattering
Global fit of an x- and μ-dependent Gaussian model for transverse double parton distributions to LHC and Tevatron data extracts parameters for calculating effective cross sections in other observables.
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Valence and sea parton correlations in double parton scattering from data
A phenomenological fit to double parton scattering data assumes distinct transverse correlations for valence and sea partons and finds sea pairs more correlated.
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