Nuclear Physics Seminar

"Measurements of charm, bottom, and Drell-Yan via dimuons in p+p and p+Au collisions at sNN=200 GeV with PHENIX at RHIC"

Presented by Yue Hang Leung, Stonybrook University

Tuesday, June 19, 2018, 11:00 am — Small Seminar Room, Bldg. 510

Dilepton spectra are a classic probe to study ultra-relativistic heavy ion collisions. At RHIC energies, the dimuon continuum is dominated by correlated pairs from charm and bottom semi-leptonic decays and the Drell-Yan process. In this talk, we present measurements of µµ pairs from charm, bottom, and Drell-Yan in p+p and p+Au collisions at sNN = 200 GeV. Differential yields from charm and bottom in p+p collisions will be presented and implications for the relative contributions from different heavy flavor production mechanisms will be discussed. We will also present results of bottom yields in p+Au collisions and discuss the implications on cold nuclear matter effects. This study also enables first measurements of the Drell-Yan cross-section at s_{NN} = 200 GeV. Studying Drell-Yan production in p+Au collisions is a clean probe for modifications of the initial state. The Drell-Yan differential cross-sections in p+p collisions and progress on p+Au collisions will be presented.

Hosted by: Jin Huang

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