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Proceedings 2019, 10(1), 9;

Heavy Hadrons Production by Coalescence Plus Fragmentation in AA Collisions at RHIC and LHC

1,*, 1,2, 1,2, 2,3 and 1,2
Laboratori Nazionali del Sud, INFN-LNS, Via S. Sofia 62, I-95123 Catania, Italy
Dipartimento di Fisica e Astronomia Ettore Majorana, Università degli studi di Catania, Via S. Sofia 64, 1-95125 Catania, Italy
School of Physical Science, Indian Institute of Technology Goa, Ponda-403401, Goa, India
Author to whom correspondence should be addressed.
Presented at Hot Quarks 2018—Workshop for Young Scientists on the Physics of Ultrarelativistic Nucleus-Nucleus Collisions, Texel, The Netherlands, 7–14 September 2018.
Published: 10 April 2019
PDF [232 KB, uploaded 10 April 2019]


The hadronization process of heavy hadrons with bottom and charm quarks, especially for baryons Λ c , in a dense QGP medium is largely not understood. We present within a coalescence plus fragmentation model the predictions for D 0 and Λ c spectra and the related baryon to meson ratios at RHIC and LHC. We will discuss how our model can predict values for Λ c / D 0 of the order of O(1), which is much larger than the expectations from fragmentation, and in agreement whit early data from STAR collaboration. Furthermore in the same scheme can be predicted a baryon to meson ratio Λ c / D 0 in pp collisions assuming that at the LHC top energies there can be the formation of QGP matter. The results show a considerable volume effects that significantly reduce the ratios, but still predict quite larger values with respect to fragmentation, in agreement with recent data from ALICE in pp collisions.
Keywords: heavy ion collision; hadronization; heavy quark transport heavy ion collision; hadronization; heavy quark transport
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Minissale, V.; Plumari, S.; Coci, G.; Das, S.; Greco, V. Heavy Hadrons Production by Coalescence Plus Fragmentation in AA Collisions at RHIC and LHC. Proceedings 2019, 10, 9.

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