2019/02/20 by Carlota Andres, Andres, Carlota, Néstor Armesto +7
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Nuclear Theory (nucl-th) #hep-ph #nucl-th
paper · pdf · doi:10.48550/arxiv.1902.07643
Proceedings of the Hard Probes 2018 conference. 4 pages. 2 figures
arxiv created 2019/02/20 · arxiv updated 2019/02/21
The nuclear modification factor R\rm AA has been satisfactorily described by various jet quenching models. Nonetheless, all these formalisms, until very recently, underpredicted the high-p\rm T (> 10 GeV) elliptic flow v2. We find that the simultaneous description of these observables requires to strongly suppress the quenching for the first ∼ 0.6 fm after the collision. This shows the potential of jet quenching observables to constrain the dynamics of the initial stages of the evolution.