Measurement of D-meson production versus multiplicity in p-Pb collisions at √SNN = 5.02 TeV
ALICE Collaboration. (2016). Measurement of D-meson production versus multiplicity in p-Pb collisions at √SNN = 5.02 TeV. Journal of High Energy Physics, 2016(8), Article 78. https://doi.org/10.1007/JHEP08(2016)078
Published inJournal of High Energy Physics
© CERN, for the benefit of the ALICE Collaboration. This is an open access article distributed under the terms of a Creative Commons License. Funded by SCOAP3.
The measurement of prompt D-meson production as a function of multiplicity in p–Pb collisions at √ sNN = 5.02 TeV with the ALICE detector at the LHC is reported. D0 , D+ and D∗+ mesons are reconstructed via their hadronic decay channels in the centre-of-mass rapidity range −0.96 < ycms < 0.04 and transverse momentum interval 1 < pT < 24 GeV/c. The multiplicity dependence of D-meson production is examined by either comparing yields in p–Pb collisions in different event classes, selected based on the multiplicity of produced particles or zero-degree energy, with those in pp collisions, scaled by the number of binary nucleon-nucleon collisions (nuclear modification factor); as well as by evaluating the per-event yields in p–Pb collisions in different multiplicity intervals normalised to the multiplicity-integrated ones (relative yields). The nuclear modification factors for D0 , D+ and D∗+ are consistent with one another. The D-meson nuclear modification factors as a function of the zero-degree energy are consistent with unity within uncertainties in the measured pT regions and event classes. The relative D-meson yields, calculated in various pT intervals, increase as a function of the charged-particle multiplicity. The results are compared with the equivalent pp measurements at √ s = 7 TeV as well as with EPOS 3 calculations. ...
PublisherSpringer Berlin Heidelberg
ISSN Search the Publication Forum1127-2236
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Except where otherwise noted, this item's license is described as © CERN, for the benefit of the ALICE Collaboration. This is an open access article distributed under the terms of a Creative Commons License. Funded by SCOAP3.
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