Speaker
Palash Khan
(Saha Institute of Nuclear Physics (IN))
Description
The ALICE apparatus at the LHC was designed and built to perform dedicated
studies of the Quark-Gluon Plasma (QGP), a strongly interacting QCD matter deconfined state, expected to be created in high energy heavy-ion collisions. In such collisions heavy flavours are produced at the very early stage of the interaction in the initial hard scattering processes and hence can be used to characterize the hot and dense medium. In particular the bottonium family was proposed as a thermometer of the deconfined medium. In ALICE, the Upsilon(1S) meson can be measured in its dimuon decay channel at forward rapidity (2.5 < y < 4.0).
In this talk, results on the Upsilon(1S) nuclear modification factor (RAA) in Pb-Pb collisions at a Nucleon-Nucleon c.m. energy of 2.76 TeV will be discussed and will be compared to the measurement at midrapidity by CMS and to theoretical predictions.
Author
Palash Khan
(Saha Institute of Nuclear Physics (IN))
