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Experimental Particle and Astro-Particle Physics Seminar
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Europe/Zurich
Description
Abstract: Double parton scattering (DPS) is the process in which one has two hard scatterings in an individual proton-proton collision. It can compete in rate with single scattering in certain kinematic regions and/or for certain processes, reveals new information on proton structure, and becomes more important as collider energy grows. I will give a broad overview of developments in the theoretical description of double parton scattering, beginning with the most simple “pocket formula” approach, and then progressing to the recent development of a full QCD framework for DPS, which can incorporate the effects of various types of correlations between the partons. I will discuss some phenomenological studies of the effects of such correlations on DPS processes, focussing in particular on the case of same-sign WW production.