Measurement of the D-meson Nuclear Modification Factor and Elliptic Flow in Pb-Pb Collisions at √SNN=5.02 TeV with ALICE at the LHC

被引：3
|
作者：
Jaelani, Syaefudin [1 ]
机构：
[1] Univ Utrecht, Phys Dept, Princetonpl 1, NL-3584 CC Utrecht, Netherlands
来源：
PROCEEDINGS OF THE 21ST PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC 2017) | 2018年 / 46卷
关键词：
Heavy-flavour; nuclear modification factor; elliptic flow; Event-Shape Engineering; ENERGY-LOSS;
D O I：
10.1142/S2010194518600182
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Heavy-flavour hadrons are effective probes to study the Quark-Gluon Plasma (QGP) formed in ultra-relativistic heavy-ion collisions. The ALICE Collaboration measured the D-mesons (D degrees, D, D*(+) and D-S(+)) production in Pb-Pb collisions at root S-NN = 5.02 TeV. The in-medium energy loss can be studied by means of the nuclear modification factor (R-AA). The comparison between the D-S(+) and the non-strange D-meson R-AA can help to study the hadronisation mechanism of the charm quark in the QGP. In semi-central collisions the measurement of the D-meson elliptic flow, v(2), at low p(T) allows to investigate the participation of the heavy quarks in the collective expansion of the system while at high p(T) it constrains the path-length dependence of the energy loss. Furthermore the Event-Shape Engineering (ESE) technique is used to measure D-meson elliptic flow in order to study the coupling of the charm quarks to the light quarks of the underlying medium.
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页数：5
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