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SUMMARY:Study of the heavy quark hadronisation from small to large systems
  with ALICE
DTSTART;VALUE=DATE-TIME:20230531T091000Z
DTEND;VALUE=DATE-TIME:20230531T093500Z
DTSTAMP;VALUE=DATE-TIME:20261010T122043Z
UID:indico-contribution-393@indico.ipb.ac.rs
DESCRIPTION:Speakers: Fabio  Colamaria (Istituto Nazionale di Fisica Nucle
 are - Sezione di Bari\, Italy)\nThe production of heavy-flavour hadrons i
 n hadronic collisions can be calculated with a factorisation approach\, as
  a product of parton distribution functions (PDFs)\, partonic hard- scatte
 ring cross section\, and parton-to-hadron fragmentation functions\, assume
 d to be universal among different collision systems. Recent measurements 
 of baryon-to-meson production yield ratios at the LHC\, observed to be enh
 anced compared to measurements in e+e– and e+p collisions\, challenged t
 his assumption\, suggesting a modified hadronization of heavy quarks in h
 adronic collisions with respect to in-vacuum fragmentation.\nAdditional mo
 difications to the heavy-quark hadronisation process are expected in heav
 y-ion collisions\, where the large density of deconfined quarks may favou
 r the formation of hadrons via the coalescence mechanism\, the increased a
 bundance of strange quarks could enhance the production of charm-strange h
 adrons\, and the presence of collective motion of the medium can affect t
 he momentum distribution of the produced hadrons.\nIn this presentation\, 
 a selection of recent results from the ALICE Collaboration on prompt and n
 on-prompt charm meson and baryon production in pp\, p-Pb and Pb-Pb collisi
 ons\, as well as baryon-to-meson ratios for several charm-baryon species\,
  will be shown. The measurements will be compared to results available fro
 m the other LHC Collaborations\, as well as to model calculations with di
 fferent modeling of the heavy-quark hadronisation.\n\nhttps://events.saif
 a.rs/event/554/contributions/393/
LOCATION:SANU (Serbian Academy of Science and Arts) - Belgrade\, Serbia
URL:https://events.saifa.rs/event/554/contributions/393/
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