Jun 12 – 16, 2017
Other Institutes
Europe/Zurich timezone

Measurement of the production of hadronic resonances in Pb-Pb collisions with ALICE

Jun 15, 2017, 9:00 AM
20m
Other Institutes

Other Institutes

Nikhef Science Park 105 1098XG Amsterdam The Netherlands

Speakers

Arvind Khuntia (Indian Institute of Technology Indore (IN)) Raghunath Sahoo (Indian Institute of Technology Indore (IN))

Description

The lifetimes of short-lived hadronic resonances are comparable to that of the hadronic phase which is present in the late stages of the evolution of heavy-ion collisions. Thus, these resonances are sensitive to the re-scattering and regeneration processes in the time interval between the chemical and kinetic freeze-out, which might affect the observed resonance yields. Recently, the centrality dependent suppression of several resonances has been observed in Pb-Pb collisions, which possibly indicates the dominance of re-scattering over regeneration processes. In this talk, we present recent results on short-lived hadronic resonances obtained by the ALICE experiment in Pb-Pb collisions at LHC energies for $\mathrm{\rho^0}$, $\mathrm{K^{*0}}$, $\mathrm{\phi}$, $\mathrm{\Lambda^*}$ and $\mathrm{\Xi^*}$. Results on transverse momentum spectra, yields and their ratios to long-lived particles, and nuclear modification factors will be discussed. The findings will be compared with model predictions and measurements at lower energies.

List of tracks Resonance decays at low, intermediate and at RHIC and LHC

Primary authors

Arvind Khuntia (Indian Institute of Technology Indore (IN)) Raghunath Sahoo (Indian Institute of Technology Indore (IN))

Presentation materials