Abstract
Measurements of K*(892) meson production provide the means to study properties of relativistic heavy-ion collisions. Because of their short lifetimes, the charged and neutral K*(892) mesons provide information about the properties of the late hadronic phase due to the presence of rescattering and regeneration effects that can modify resonance yields. The K*(892) mesons can also be used to study the various mechanisms that shape particle transverse momentum (pT) spectra, including the collective flow, in-medium parton energy loss and recombination. Measurement of neutral K*(892) mesons requires reconstruction of the charged pions and kaons originating from the primary vertex. At the same time, the measurement of charged K*(892) mesons involves reconstruction of the weakly decaying Ks mesons. Simultaneous measurement of the two particles is a way to minimize systematic uncertainties of the corresponding physical studies. We present results of feasibility studies for measurement of the charged and neutral K*(892) mesons in the MPD experimental setup in heavy-ion collisions at NICA energies. Results are obtained using full-scale Monte Carlo simulations of the experimental setup.
Highlights
NICA collider, which is under construction in JINR, Russia will study the QCD phase diagram in the region of higher baryon chemical potentials and lower temperatures compared to the LHC and RHIC colliders [1]
The MPD is one of two experiments at the NICA collider dedicated to the study of properties of the nuclear matter under extreme conditions [2]
The particle yields, angular distributions and shapes of the particle transverse momentum (pT) spectra can be affected by the late hadronic phase
Summary
NICA collider, which is under construction in JINR, Russia will study the QCD phase diagram in the region of higher baryon chemical potentials and lower temperatures compared to the LHC and RHIC colliders [1]. The properties of the medium created in heavy-ion collisions are studied by measuring characteristics of the final state particles. Properties of K*(892) mesons measured in heavy-ion collisions carry information about hadron chemistry and strangeness production, reaction dynamics and processes that shape particle pT spectra, density and lifetime of the hadronic phase.
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