Rapidity and energy dependence of average transverse momentum and particle density in saturation models

Brogueira, P.; de Deus, J. Dias; Milhano, J. G.

doi:10.1016/j.nuclphysa.2009.11.008

arXiv 2009-06-16 DOI 10.1016/j.nuclphysa.2009.11.008 0 مشاهدة

Rapidity and energy dependence of average transverse momentum and particle density in saturation models

Brogueira, P. · de Deus, J. Dias · Milhano, J. G.

High Energy Physics - Phenomenology Nuclear Theory

الأصل · EN

Saturation models -- colour glass condensate and string percolation -- impose a strict relation between the average transverse momentum, <Pₜ>, and the rapidity particle densities, dn/dy. By combining this relation with an appropriate evolution equation for dn/dy, and imposing energy-momentum conservation, we obtain a fair description of data, for generic AB collisions (hadron-hadron, hadron-nucleus and nucleus-nucleus) at all rapidities and (high) energies. Predictions are given for the LHC.

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