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Figure 5

Figure Information
Scope: PWG
PWG-HF (Heavy Flavour)
Energy
5.02 TeV
System
Pb-Pb
Figure Group
First measurement of D$^{*+}$ vector spin alignment in Pb-Pb collisions at $\mathbf{\sqrt{s_{\rm NN}} = 5.02}$ TeV
Figure Image
Figure image (.eps)
DstarRho00_PbPb5TeV_JPsi.eps
Figure image (.pdf)
DstarRho00_PbPb5TeV_JPsi.pdf
Figure Caption

The spin density matrix element \rzz of prompt \Dstar mesons as a function of \pt in the rapidity interval $0.3 |y| 0.8$ compared to that of inclusive \Jpsi mesons in the rapidity interval $2.54$ measured in Pb--Pb collisions at $\snn=5.02~\TeV$ in the 30--50\% centrality class. The bottom panel shows the deviation of the measurements from the null hypothesis ($\rzz = 1/3$) in units of the total uncertainties $\sigma_{\rzz}$.

Detail description

Figure extracted from paper