Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-06-23
Phys.Rev. C74 (2006) 044902
Physics
High Energy Physics
High Energy Physics - Phenomenology
39 pages, 28 figures
Scientific paper
10.1103/PhysRevC.74.044902
We present a phenomenological approach (EPOS), based on the parton model, but going much beyond, and try to understand proton-proton and deuteron-gold collisions, in particular the transverse momentum results from all the four RHIC experiments. It turns out that elastic and inelastic parton ladder splitting is the key issue. Elastic splitting is in fact related to screening and saturation, but much more important is the inelastic contribution, being crucial to understand the data. We investigate in detail the rapidity dependence of nuclear effects, which is actually relatively weak in the model, in perfect agreement with the data, if the latter ones are interpreted correctly.
Liu Fu-Ming
Pierog Tanguy
Werner Klaus
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