Journal
PHYSICA SCRIPTA
Volume 96, Issue 7, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1402-4896/abf869
Keywords
Multiplicity; hadroproduction; Heavy flavours; J/psi meson; D-meson; B-meson; Color Glass Condensate
Categories
Funding
- Proyecto ANID PIA/APOYO (Chile) [AFB180002]
- Fondecyt (Chile) [1180232]
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The study indicates that the use of three-pomeron contributions can better explain recent data on the multiplicity dependence of cross-sections, particularly for open-heavy flavor mesons and quarkonia.
In this proceeding we analyze possible mechanisms of quarkonia and open-heavy flavor meson production. We study in detail the contributions of the leading twist two-pomeron fusion and higher twist corrections due to three-pomeron fusion. We show that the latter mechanism is significant for charm production at small transverse momenta. We demonstrate that recent data on the multiplicity dependence of the cross-sections might be naturally explained, both for open-heavy flavor mesons and quarkonia, if the three-pomeron contributions are taken into account.
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