Bogoliubov Laboratory of Theoretical Physics

Seminar on Nuclear Theory

Date and Time: Monday, 18 April 2022, at 3:30 PM

Venue: Blokhintsev lecture hall, Bogoliubov Laboratory of Theoretical Physics, online seminar on Zoom

Information about seminar and link to join via Zoom

Seminar topic: “Statistical description for relativistic hadron systems in proton-proton and heavy ion collisions”

Speaker: A. S. Parvan

Abstract:

The generalized equilibrium statistical mechanics with an arbitrary definition of the statistical entropy have been proposed. The thermodynamic consistency of the Tsallis statistics has been demonstrated in the thermodynamic limit under the condition that the entropic quantity z=1/(q-1) is an extensive variable of state of the system. For the first time, the exact hadronic transverse momentum distributions for the Tsallis statistics have been obtained and applied to describe the experimental data for proton-proton collisions at LHC and RHIC energies. To give grounds for the phenomenological Tsallis pT-distribution, the q-dual statistical mechanics has been introduced. The validity and uniqueness of the Planck formulation for the relativistic thermodynamics of a moving body has been rigorously proven. For the first time, the quantum hadron statistical model with an exact strangeness conservation law of a system has been introduced to describe the yields of hadrons produced in high-energy heavy-ion collisions. The scaled quark-hadron duality between the lattice QCD with (2+1) flavors and the relativistic model of the kaon-antikaon gas has been found. The exact analytical solution for the partition function of the real scalar field on a lattice in one spatial dimension has been explicitly obtained.