Measurements of the nuclear modification factor and the elliptic azimuthal anisotropy of heavy flavours with ALICE

29th Winter Workshop on Nuclear Dynamics

De Godoy, Denise Moreira^1

Department of Nuclear Physics, University of Sao Paulo, 187 R Matao Street, Sao Paulo, SP 66318, Brazil^1

关键词: Azimuthal anisotropy;    Heavy ion collision;    Heavy quark productions;    Nuclear modification factors;    Parton energy loss;    Pb-Pb collisions;    Production yield;    Quark-gluon plasma;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/458/1/012013/pdf
DOI  :  10.1088/1742-6596/458/1/012013

来源: IOP

【 摘 要 】

Heavy quark production is sensitive to the transport properties of the Quark-Gluon Plasma created in heavy-ion collisions at high energies. The production yields of charmed mesons and heavy-flavour decay leptons in most central collisions allow to study the parton energy loss mechanism of heavy quarks propagating through the dense and colored medium. Concurrently, measurements of the elliptic azimuthal anisotropy of D mesons and heavy-flavour leptons in semi-central collisions allow to study the degree of thermalization of heavy quarks within the strongly coupled, flowing medium. We present ALICE measurements of the nuclear modification factor (RAA) and elliptic flow coefficient (v2) of heavy-flavour decay electrons and D mesons reconstructed via their hadronic decays at mid-rapidity (|y|