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Open AccessProceedings

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

by 1,*, 1,2, 1,2, 2,3 and 1,2
1
Laboratori Nazionali del Sud, INFN-LNS, Via S. Sofia 62, I-95123 Catania, Italy
2
Dipartimento di Fisica e Astronomia Ettore Majorana, Università degli studi di Catania, Via S. Sofia 64, 1-95125 Catania, Italy
3
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.
Proceedings 2019, 10(1), 9; https://doi.org/10.3390/proceedings2019010009
Published: 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
MDPI and ACS Style

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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