The multiple-charm hierarchy in the statistical hadronization model
| Autor: | Johanna Stachel, Anton Andronic, Aleksas Mazeliauskas, Peter Braun-Munzinger, Markus Konrad Kohler, Krzysztof Redlich, Vytautas Vislavicius |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Nuclear Theory
model [hadronization] Hadron momentum spectrum [transverse momentum] hierarchy QC770-798 nucl-ex decay [resonance] 01 natural sciences Resonance (particle physics) thermal High Energy Physics - Phenomenology (hep-ph) multiplicity Charm (quantum number) Nuclear Experiment (nucl-ex) Nuclear Experiment beam [oxygen] Physics Large Hadron Collider fireball hep-ph Hadronization High Energy Physics - Phenomenology CERN LHC Coll kinematics Nuclear Physics - Theory statistical [hadronization] LHC Quark Nuclear and High Energy Physics Particle physics COLLISIONS nucl-th FOS: Physical sciences Charm quark Nuclear Theory (nucl-th) scattering [heavy ion] Nuclear and particle physics. Atomic energy. Radioactivity 0103 physical sciences Nuclear Physics - Experiment ddc:530 010306 general physics enhancement Particle Physics - Phenomenology 010308 nuclear & particles physics High Energy Physics::Phenomenology blast wave [model] Heavy Ion Phenomenology QCD Thermalisation parton [charm] High Energy Physics::Experiment production [hadron] |
| Zdroj: | Journal of High Energy Physics Andronic, A, Braun-Munzinger, P, Koehler, M K, Mazeliauskas, A, Redlich, K, Stachel, J & Vislavicius, V 2021, ' The multiple-charm hierarchy in the statistical hadronization model ', Journal of High Energy Physics, vol. 2021, no. 7, 35 . https://doi.org/10.1007/JHEP07(2021)035 Journal of High Energy Physics, Vol 2021, Iss 7, Pp 1-30 (2021) Journal of high energy physics 2021(7), 35 (2021). doi:10.1007/JHEP07(2021)035 |
| DOI: | 10.1007/JHEP07(2021)035 |
| Popis: | In relativistic nuclear collisions the production of hadrons with light (u,d,s) quarks is quantitatively described in the framework of the Statistical Hadronization Model (SHM). Charm quarks are dominantly produced in initial hard collisions but interact strongly in the hot fireball and thermalize. Therefore charmed hadrons can be incorporated into the SHM by treating charm quarks as 'impurities' with thermal distributions, while the total charm content of the fireball is fixed by the measured open charm cross section. We call this model SHMc and demonstrate that with SHMc the measured multiplicities of single charm hadrons in lead-lead collisions at LHC energies can be well described with the same thermal parameters as for (u,d,s) hadrons. Furthermore, transverse momentum distributions are computed in a blast-wave model, which includes the resonance decay kinematics. SHMc is extended to lighter collision systems down to oxygen-oxygen and includes doubly- and triply-charmed hadrons. We show predictions for production probabilities of such states exhibiting a characteristic and quite spectacular enhancement hierarchy. 28 pages, 12 figures |
| Databáze: | OpenAIRE |
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