Heavy flavor measurements at RHIC

Abstract

The study of heavy flavor production in relativistic heavy ion collisions is an extreme experimental challenge but provides important information on the properties of the Quark-Gluon Plasma (QGP) created in Au+Au collisions at RHIC. Heavy quarks are believed to be produced in the initial stages of the collision, and are essential on the understanding of parton energy loss in the dense medium created in such environment. Moreover, heavyflavor quarkonia production is an important tool to understand deconfinement. In this work we review recent results on open heavy flavor and quarkonia production and their interaction with the hot and dense medium at RHIC.

Study of the behavior of the nuclear modification factor in freeze-out state

“…The data shows an increasing suppression with N part . At central Au+Au collisions the suppression is larger than predicted by normal absorption in cold nuclear matter production [22,23]. It is supposed that T r III−V ∼ R III−V .…”

“…The data shows an increasing suppression with N part . At central Au+Au collisions the suppression is larger than predicted by normal absorption in cold nuclear matter production [22,23]. Nuclear modification factor as a function of a number of participants (Npart) for Au+Au and Cu+Cu collisions [21].…”