Measurement of visible cross sections in proton-lead collisions at root s(NN)=5.02 TeV in van der Meer scans with the ALICE detector
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G. and Zoccarato, Y. and Zyzak, M. and Alice Collaboration... Show more Show less
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Abstract
In 2013, the Large Hadron Collider provided proton-lead and lead-proton
collisions at the center-of-mass energy per nucleon pair root s(NN) =
5.02 TeV. Van der Meer scans were performed for both configurations of
colliding beams, and the cross section was measured for two reference
processes, based on particle detection by the T0 and V0 detectors, with
pseudo-rapidity coverage 4.6 < eta < 4.9, -3.3 < eta < -3.0 and 2.8 <
eta < 5.1, -3.7 < eta < -1.7, respectively. Given the asymmetric
detector aacceptance, the cross section was measured separately for the
two configurations. The measured visible cross sections are used to
calculate the integrated luminosity of the proton-lead and lead-proton
data samples, and to indirectly measure the cross section for a third,
configuration-independent, reference process, based on neutron detection
by the Zero Degree Calorimeters.... Show more Show less