Heavy quark energy loss and D-Mesons at LHC

Details Heavy quark energy loss and D-Mesons at LHC Heavy quark energy loss and D-Mesons at LHC

2012-03-23

arxiv.org/abs/1203.5221v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 figures

Scientific paper

We obtain the radiative energy loss of a heavy quark in a deconfined medium due to radiation of gluons off them using a recently derived generalised gluon emission spectrum. We find that the heavy flavour loses energy almost in a similar fashion like light quarks through this process. With this, we further analyse the nuclear modification factor for $D$-meson at LHC and RHIC energies. In particular, the obtained result is found to be in very good agreement with the most recent data from ALICE collaboration at 2.76 ATeV Pb-Pb collisions. We also discuss the nuclear modification due to the collisional energy loss.

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