Jet and Underlying Event Measurements in P+P Collisions at RHIC
arXiv:1011.4614 · doi:10.1142/S0218301311019908
Abstract
The physics of hadron-hadron collisions is very complex involving both perturbative and non perturbative QCD. It is imperative to study p-p collisions in detail to provide a variety of measurements against which the theoretical calculations can be tested. Direct jet measurements, for instance, help address fundamental questions of the fragmentation process. They also form a critical baseline for comparisons of results from heavy-ion studies, where fragmentation functions are expected to be modified due to interactions with the hot and dense medium. Finally, it is important to understand how the beam-beam remnants, multi-parton interactions, and initial- and final-state radiation combine to produce the particles observed in the underlying event. I present results from p-p collisions at 200 GeV collisions as measured by the STAR experiment.
Proceedings for the Prague Jets in pp and Heavy Ions workshop April 12-14 2010