2017/06/19 by Mäntysaari, Heikki, Schenke, Björn, Shen, Chun +1
#FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Nuclear Theory (nucl-th)
paper · doi:10.48550/arxiv.1706.05937
We constrain the amount of event-by-event fluctuations of the proton by comparing with the HERA coherent and incoherent diffractive J/Ψ production data. We find that the HERA measurements prefer large geometric fluctuations. We then include the constrained fluctuating proton shapes in viscous hydrodynamical simulations of the proton-nucleus collisions at √sNN=5.02 TeV, and find a good description of the mean transverse momentum and flow harmonics measured at the LHC.