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High transverse momentum neutral pion and charged hadron suppression patternwith respect to reaction plane at RHIC and LHC energies in central andsemi-peripheral AA collisions are studied in a perturbative QCD based model,CUJET2.0. CUJET2.0 has dynamical DGLV radiation kernel and Thoma-Gyulassyelastic energy loss, with both being generalized to including multi-scalerunning strong coupling as well as energy loss probability fluctuations, andthe full jet path integration is performed in a low $p_T$ flow data constrainedmedium which has 2+1D viscous hydrodynamical expanding profile. We find that inCUJET2.0, with only one control parameter, $\alpha_{max}$, the maximum couplingstrength, fixed to be 0.26, the computed nuclear modification factor $R_{AA}$in central and semi-peripheral AA collisions are consistent with RHIC and LHCdata at average $\chi^2/d.o.f.<1.5$ level. Simultaneous agreements with high$p_T$ azimuthal anisotropy $v_2$ data are acquired given average $\alpha_{max}$over in-plane and out-of-plane paths varying as little as 10\%, suggesting anon-trivial dependence of the high $p_T$ single particle $v_2$ on theazimuthally varied strong coupling.

The tricky azimuthal dependence of jet quenching at RHIC and LHC via CUJET2.0