Speaker
Theo Alexander Broker
(Johann-Wolfgang-Goethe Univ. (DE))
Description
Low-mass dielectrons are an important probe for the hot and dense medium which is created in ultrarelativistic heavy-ion collisions. Since leptons do not interact strongly, they carry information from all collision stages with negligible final state interaction. While pp collisions provide a reference measurement for a medium-free environment, the impact of cold nuclear matter effects on the dielectron production can be estimated from p-Pb collisions. Moreover, the measurement of low-mass dileptons has a high sensitivity to the production of charmed mesons at low $p_{T}$ via their decay into correlated $e^{+}e^{-}$ pairs.
In this poster the results of the dielectron measurements at mid-rapidity in minimum bias p-Pb collisions at $\sqrt{s} =5.02$ TeV with the ALICE detector will be presented. The dielectron invariant mass and transverse momentum distributions will be compared to expectations from light hadrons and semi-leptonic charm decays.
| On behalf of collaboration: | ALICE |
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Primary author
Theo Alexander Broker
(Johann-Wolfgang-Goethe Univ. (DE))
