Rice University

Events at Rice

Seminar

Physics & Astronomy

Speaker: Li Yi
Yale University

NPP - UNDERLYING-EVENT ACTIVITY IN PROTON+PROTON COLLISIONS AT sqrt(s_NN) = 200GeV WITH THE STAR DETECTOR AT RHIC

Thursday, February 16, 2017
2:00 PM  to 3:00 PM

223  Herman Brown Hall
Rice University
6100 Main St
Houston, Texas, USA

Underlying-event activity is defined as the soft particle production in proton+proton collisions which is not directly related to the final fragmentation of hard-scattered partons. Underlying-event measurements therefore provide a tool to study non-factorizable and non-perturbative phenomena. Systematic measurements of the relationship between the underlying event and jet processes are crucial for a complete description of both soft and hard QCD processes at hadron colliders and for Monte Carlo modeling. In this talk, we will report the progress of underlying-event measurements in proton+proton collisions at RHIC by STAR and its comparison with Monte Carlo tuning. The comparison between RHIC and LHC energy underlying-event activities will also be discussed.

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