Abstract
The pT-differential production cross section of electrons from heavy-flavour hadron decays in the rapidity range -1.06 < ycms < 0.14 in p-Pb collisions at = 5.02 TeV has been measured with ALICE. The cross section of electrons from beauty-hadron decays, isolated based on their larger average displacement from the interaction vertex, is presented as well as the nuclear modification factor RpPb of heavy-flavour and beauty-hadron decay electrons. Theoretical predictions including the effects due to the nuclear modification of the parton distribution functions are discussed with the results.
Highlights
The characterization of the Quark-Gluon Plasma (QGP), the deconfined state of stronglyinteracting matter produced in high-energy heavy-ion collisions, is one of the main purposes of ALICE at the LHC
After subtracting the electrons from background sources the spectra are corrected for the detector geometrical acceptance and efficiency to obtain a cross section
For pT ∼ 6 GeV/c electrons from beauty hadron decays become the dominant contribution to the inclusive spectrum of heavy-flavour electrons
Summary
This content has been downloaded from IOPscience. Please scroll down to see the full text. 2015 J. Measurement of electrons from charm and beauty-hadron decays in p-Pb collisions at √
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