Abstract
We present a comprehensive study of hadronic resonance production in pp, p-Pb and Pb-Pb collisions at different Large Hadron Collider (LHC) energies. In particular, the production of hadronic resonances, such as ρ(770)0, Κ*(892)0, φ(1020), Σ(1385)±, Λ(1520) and Ξ(1530)0 will be discussed in detail. In heavy-ion collisions, hadronic resonances are sensitive to the re-scattering and regeneration processes occurring between chemical freeze-out and kinetic freeze-out due to their short lifetimes. The measurements in pp and p-Pb collisions are used as a reference for heavy-ion collisions and to search for the onset of collective phenomena. We will report on the transverse momentum spectra, integrated yields, mean transverse momenta, particle ratios and nuclear modification factors of hadronic resonances. The results will be compared to those of other experiments, and to theoretical models and Monte Carlo generators.
Highlights
A large ion collider experiment (ALICE) is designed to study the physics of strongly interacting matter under extremely high temperature and energy density conditions to investigate the properties of the quark-gluon plasma
ALICE has measured the production of hadronic resonances in pp, p-Pb, Xe-Xe, and Pb-Pb collisions at the LHC
The resonances are re-constructed from an invariant mass analysis of identified hadronic hadronic decay-product decay-product candidates
Summary
A large ion collider experiment (ALICE) is designed to study the physics of strongly interacting matter under extremely high temperature and energy density conditions to investigate the properties of the quark-gluon plasma. ALICE has measured the production of hadronic resonances in pp, p-Pb, Xe-Xe, and Pb-Pb collisions at the LHC. Due to the short lifetimes of the resonances, their daughter particles in the hadronic decay channels can undergo re-scattering and regeneration in the time interval between the chemical and kinetic freeze-out in heavy-ion collisions. The measurements in pp and p-Pb constitute a reference for heavy-ion collisions and were used for tuning the quantum chromodynamics QCD inspired event. In these proceeding results on resonance production in pp collisions at s = 7 and 13 TeV, p-Pb at sNN = 5.02 TeV, Pb-Pb at sNN = 2.76 and 5.02 TeV and Xe-Xe collisions at sNN =.
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