Possible indication to the QCD evolution of double parton distributions?

Details Possible indication to the QCD evolution of double parton distributions? Possible indication to the QCD evolution of double parton distributions?

2009-12-31

arxiv.org/abs/1001.0104v3

Phys.Rev.D81:065014,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure, revtex4, Clarifications, Ref. added, Fig. redrawn, accepted in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.81.065014

For the first time the process-independent parameter of double parton scattering, $\sigma_{\rm eff}^{\rm exp}$, has been measured newly in the D0 experiment at the three different resolution scales.If we interpret the measurement as a decrease of the effective cross section with a growth of the resolution scale it can indicate the QCD evolution of double parton distributions.

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