Speaker
Kgotlaesele Senosi
(iThemba LABS (University of Cape Town))
Description
ALICE (A Large Ion Collider Experiment) is designed and optimized to
study ultra-relativistic heavy-ion collisions, where a hot and dense strongly-interacting medium is created. W± bosons are produced in hard scattering
processes occurring at the early stage of the collision and, not being affected by
the strong interaction, they can be used as a benchmark for medium induced
effects. In proton-nucleus collisions the production of W± bosons can be used
to test the validity of the binary collision scaling and to study the nuclear
modification of Parton Distribution Functions. In ALICE, the production of
W± bosons is measured via the contribution of their decays to the inclusive
pT-differential yield reconstructed with the muon spectrometer at forward and
backward rapidity. This measurement is done separately for μ+ ← +W and μ− ← −W. The recent results in p–Pb collisions at √s_{NN} = 5.02 TeV will be
presented and the measured cross sections will be compared to pQCD at NLO
calculations.
Primary author
Kgotlaesele Senosi
(iThemba LABS (University of Cape Town))
