23-25 juillet 2018
Laboratoire de Physique de Clermont-Ferrand, Université Clermont Auvergne, Clermont-Ferrand
Fuseau horaire Europe/Paris

Effects of saturation in high-multiplicity pp collisions

23 juil. 2018 à 14:10
40m
Amphithéâtre Recherche (Laboratoire de Physique de Clermont-Ferrand, Université Clermont Auvergne, Clermont-Ferrand)

Amphithéâtre Recherche

Laboratoire de Physique de Clermont-Ferrand, Université Clermont Auvergne, Clermont-Ferrand

Campus Universitaire des Cézeaux 4 avenue Blaise Pascal TSA 60026 CS 60026 63178 AUBIERE CEDEX FRANCE

Orateur

Boris Kopeliovitch

Description

Parton distributions in the protons colliding with multiplicity much higher than the mean value, are biased to higher parton densities, leading to enhanced effects of saturation. This and the effect of mutual boosting of the saturation scales significantly increase the gluon density at small x, and correspondingly the production rate of J/psi
and pT broadening, in a good accord with data.

Documents de présentation

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