Study of Angular Correlations in Monte Carlo Simulations in Pb-Pb Collisions

In two- particle angular correlation measurements, the distribution of charged hadron pairs are evaluated as a function of pseudorapidity (Dh) and azimuthal (Dj) differences. In these correlations, jets manifest themselves as a near- side peak around Dh = 0, Dj = 0. These correlations can be used to extract transverse momentum (pT) and centrality dependence of the shape of the near- side peak in Pb- Pb collision. The shape of the near- side peak is quantified by the variances of the distribution. The variances are evaluated from a fit combining the peak and the background. In this contribution, identified and unidentified angular correlations are shown from Pb- Pb collisions at p sNN = 2.76 TeV from Monte Carlo simulations (AMPT, PYTHIA 8.235/ Angantyr). Results show that transport models in AMPT give better results than PYTHIA 8.235/ Angantyr when comparing to the experimental results of the ALICE