Nuclear Theory/RIKEN Seminar

"Proton fluctuations and multi-particle rapidity correlations"

Presented by Kevin Dusling, PRL

Friday, December 16, 2016, 2:00 pm — Small Seminar Room, Bldg. 510

The effect of intrinsic fluctuations of the proton saturation momentum scale on event-by-event rapidity distributions in small systems is explored. Saturation scale fluctuations generate an asymmetry in the single particle rapidity distribution in each event resulting in genuine n-particle correlations. We introduce a color domain model that naturally explains the centrality dependence of the two-particle rapidity correlations recently measured by ATLAS, constraining the probability distribution of saturation scale fluctuations in the proton. Predictions for n=4, 6 and 8 particle rapidity correlations find that the four- and eight-particle cumulant change sign at intermediate multiplicities, a signature which could be tested experimentally.

Hosted by: Heikki Mantysaari

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