Probing nuclear deformation at LHC energies using AMPT

Deformation in nuclear geometry arises from collective motion of nucleons and are generally estimated by measuring transition probabilities between low-lying nuclear rotational states. Recent experimental and theoretical developments have established that multi-particle correlations in heavy-ion collisions are also sensitive to nuclear deformation parameters owing to the small time-scale involved in such events. This presentation shows the dependence of various 2, 3 and 4-particle flow correlations in heavy ion collisions on the deformation parameters of the nucleus using A Multi Phase Transport Model (AMPT) for heavy ion collisions at LHC energies. This work establishes consistency across RHIC and LHC energies on the sensitivity of heavy ion observables towards deformation in nuclear geometry.