Low-mass dimuon measurements in pp, p-Pb and Pb-Pb collisions with ALICE at the LHC

Abstract : Low-mass dimuon production, including light vector mesons ρ, ω, phgr, provides key information on the hot and dense state of strongly interacting matter produced in high-energy heavy-ion collisions. In particular, strangeness production can be studied via phgr meson measurements, while the detailed description of the full dimuon mass spectrum down to the kinematic threshold can be used to reveal in-medium modifications of hadron properties and the thermal emission arising from the medium. Measurements in pp and p-A systems, in absence of hot nuclear matter effects, must be used as a reference to test our knowledge of the processes expected to contribute to dilepton production. Dimuon production is studied with the ALICE apparatus at the LHC at forward rapidity (2.5 < y < 4) with the Muon Spectrometer. In this contribution, results on low-mass dimuon production are shown, for various center-of-mass energies per nucleon pair, in pp, p-Pb, and Pb-Pb collisions.
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A. Uras. Low-mass dimuon measurements in pp, p-Pb and Pb-Pb collisions with ALICE at the LHC. 15th International Conference on Strangeness in Quark Matter (SQM 2015), Jul 2015, Dubna, Russia. pp.012094, ⟨10.1088/1742-6596/668/1/012094⟩. ⟨in2p3-01260163⟩

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