Transverse momentum analysis of collective motion in relativistic nuclear collisions

G. Odyniec (LBL); P. Danielewicz

Transverse momentum analysis of collective motion in relativistic nuclear collisions

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arxiv 2109.05308 v1 pith:XRNLNDFK submitted 2021-09-11 nucl-th nucl-ex

Transverse momentum analysis of collective motion in relativistic nuclear collisions

P. Danielewicz , G. Odyniec (LBL) This is my paper

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Novel transverse-momentum technique is used to analyse charged-particle exclusive data for collective motion in the Ar+KCl reaction at 1.8 GeV/nucl. Previous analysis of this reaction, employing the standard sphericity tensor, revealed no significant effect. In the present analysis, collective effects are observed, and they are substantially stronger than in the Cugnon cascade model, but weaker than in the hydrodynamical model.

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