Abstract
The LHCb experiment offers the unique opportunity to study heavy-ion interactions in the forward region (2<η<5), in a kinematic domain complementary to the other 3 large experiments at the LHC. The detector has excellent capabilities for reconstructing quarkonia and open charm states, including baryons, down to zero pT. It can separate the prompt and displaced charm components. In pPb collisions, both forward and backward rapidities are covered thanks to the possibility of beam reversal. Results include measurements of the nuclear modification factor and forward-backward ratio for charmonium, open charm and bottomonium states. These quantities are sensitive probes for nuclear effects in heavy flavour production. Perspectives are given with the large accumulated luminosity during the 2016 pPb run at the LHC. In 2015, LHCb participated successfully for the first time in the PbPb data-taking. The status of the forward prompt J/ψ nuclear modification factor measurement in lead-lead collisions is discussed.
Highlights
The LHCb experiment offers the unique opportunity to study heavy-ion interactions in the forward region (2 < η < 5), in a kinematic domain complementary to the other 3 large experiments at the LHC
In proton-nucleus collisions, the investigation of applicability and the improvement of nuclear parton distribution functions, e.g. [3, 4, 5], Color Glass Condensate approach calculations [6], coherent energy loss mechanism [7] and other effects not related to deconfinement are at the centre of the measurement interest in order to provide a better understanding of perturbative QCD (pQCD) and in order to provide input for the understanding of nucleus-nucleus collisions
The detector is a fully instrumented single arm forward spectrometer (2< η
Summary
The LHCb experiment offers the unique opportunity to study heavy-ion interactions in the forward region (2 < η < 5), in a kinematic domain complementary to the other 3 large experiments at the LHC. Measurements of heavy-flavour production are important tools to investigate nuclear effects both in proton-lead and in lead-lead collisions [1]. [3, 4, 5], Color Glass Condensate approach calculations [6], coherent energy loss mechanism [7] and other effects not related to deconfinement are at the centre of the measurement interest in order to provide a better understanding of pQCD and in order to provide input for the understanding of nucleus-nucleus collisions.
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