Elliptic flow of heavy-flavour decay electrons in Pb-Pb collisions at = 2.76 TeV with ALICE

14th International Conference on Strangeness in Quark Matter

Dubla, Andrea^1

Department of Physics, Utrecht University, Princetonplein 5, 3584 CC Utrecht, Netherlands^1

关键词: Collision energies;    Decay electrons;    Elliptic flows;    Heavy flavours;    Leptonic decay;    Mid-rapidity;    Pb-Pb collisions;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/509/1/012062/pdf
DOI  :  10.1088/1742-6596/509/1/012062

来源: IOP

【 摘 要 】

We present the elliptic ow v2 of electrons from the semi-leptonic decays of heavy- avour hadrons at mid-rapidity for semi-central (20-40% centrality) Pb-Pb collisions atSNN = 2.76 TeV measured with the ALICE detector. A positive v2 is observed at low pT in semi-central collisions. Comparisons with previous measurements obtained at lower collision energy at RHIC in Au-Au collisions atSNN = 0.2 TeV and with theoretical models are also presented.