Jing Wang, MIT
Probing the Quark Gluon Plasma with Heavy Quarks with CMS Detector
Abstract: Heavy quarks are powerful tools for the study of the properties of the high-density QCD medium created in heavy-ion collisions as they are sensitive to the transport properties of the medium and may interact with the QCD matter differently from light quarks. As the main observables to study the medium effect, nuclear modification factors (RAA) of heavy-flavor particles provides insights into the flavor dependence of in-medium parton energy loss, and azimuthal anisotropy coefficient (vn) of heavy-flavor particles provides information about the degree of the thermalization of the bulk medium. On the other hand, the measurement of the production of strange heavy-flavor mesons can study harmonization mechanism in heavy-ion collisions. Furthermore, the production of heavy-flavor particles in jets is sensitive to the gluon splitting and the role of medium response.
Over the past few years, using the large statistics proton-proton and PbPb samples collected at 5.02 TeV during the 2015 LHC run, high precision measurements of heavy-flavor mesons have been performed with the CMS detector. In this talk, the results of open heavy flavor particle RAA and vn are presented. In particular I will discuss the most recent measurement of Bs meson RAA which is the first measurement of strange beauty hadrons in heavy-ion collisions, and the first D meson production in jets study performed by CMS experiment.
place: Kolker Room (26-414)
(Lunch will be served at 11:50)