Conveners
Session VI
- Oleksandr Sorokin
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Tetiana Obikhod (Institute for Nuclear Research NAS of Ukraine)5/29/24, 2:00 PMParticle physics theory (including heavy ion & neutrino physics)
The application of continuous and discrete groups to the theory of nuclei [1], elementary particles [2-4], in the theoretical physics of high energies leads to the need of systematization of knowledge and methods to obtain new information about phase transitions at high energies. Attempts to find a theory of the experiment on the scale of QCD led to the discovery of String Theory. The...
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Mr Roman Ovsiannikov (V. N. Karazin Kharkiv National University, NSC «Kharkov Institute of Physics and Technology»)5/29/24, 2:15 PMParticle physics theory (including heavy ion & neutrino physics)
The Universe is dominated by matter over antimatter. To theoretically explain this effect, a strong violation of CP symmetry is necessary. The currently available sources of CP symmetry breaking are not sufficient for this purpose. Therefore, the search for new sources of breaking this symmetry is a very important area of research today. One such possible source could be the electric dipole...
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Ivan Truten (NSC Kharkiv Institute of Physics and Technology, Kharkiv, Ukraine)5/29/24, 2:30 PMParticle physics theory (including heavy ion & neutrino physics)
The purpose of the work is to study polarization effects in the presence of CP violation in the process of $e^+e^-$ annihilation with a focus on the future electron-positron collider CLIC with energy $\sqrt{s} = 380$ GeV. The study is primarily focused on the annihilation of electron-positron pairs into top quark pairs, which, upon decay, produce bottom quarks and W bosons. The Lagrangian...
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Dr Denys Zhuravel (Bogolyubov Institute for Theoretical Physics of the National Academy of Sciences of Ukraine), Prof. Dmitry Anchishkin (Bogolyubov Institute for Theoretical Physics of the National Academy of Sciences of Ukraine)5/29/24, 2:45 PMParticle physics theory (including heavy ion & neutrino physics)
Within the framework of the mean field model, the thermodynamics of the relativistic scalar system of interacting particles and antiparticles in the presence of a Bose-Einstein condensate was investigated. It is assumed that the total isospin (charge) density is conserved. It is shown that the particle-antiparticle boson system reveals four types of phase transitions into the condensate phase....
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Mark Gorenstein (BITP Kyiv)5/29/24, 3:00 PMParticle physics theory (including heavy ion & neutrino physics)
The talk briefly presents history, status, and plans of the search for the critical structures — the onset of deconfinement and the QCD critical point — in high-energy nucleus–nucleus collisions. The basic ideas are introduced, and the path towards the quark–gluon plasma discovery is sketched. Then the status of the search for the deconfinement critical point is discussed.
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Dr Andrea Mazzolari (INFN)5/29/24, 3:15 PMElectrodynamics of High Energy in Matter including Interactions of Particles in Bent Crystal
When a charged particle beam closely aligns with the atomic axis of a crystal, the particles are confined within this axis. The crystal's bending, a result of this alignment, steers the beam's trajectory. Early attempts to observe this phenomenon experimentally were unsuccessful, but subsequent trials at CERN, based on the predictions of Grinenko and Shul'ga, have confirmed the effectiveness...
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Micola Bondarenco5/29/24, 3:30 PMDetectors for LHC and future colliders
There is a significant correlation between the angle of multiple scattering and the ionization energy loss for relativistic electrons in an amorphous medium, which can be used in high-energy electron and positron detectors [1]. The correlation is found to be the most pronounced at deflection angles larger than typical, reflecting the underlying single-scattering kinematical correlation, but is...
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Yuriy Sinyukov (Bogolyubov Institute for Theoretical Physics)5/29/24, 3:45 PM
The goal of the presented study is investigation of the properties and evolution dynamics of new forms of matter created in nucleus-nucleus (and nucleon – nucleon with large multiplicity) collisions at high energies varying in the widest relativistic range, from a few GeV up to ten TeV per nucleon pair, within a unified model, describing in detail the full process of matter evolution,...
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Prof. Laszlo Jenkovszky (Bogolubov ITP, Kiev), Laszlo Jenkovszky (National Academy of Sciences of Ukraine), László Jenkovszky (BITP)5/29/24, 4:00 PM
For the first time a dip and bump in the differential cross section of
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proton diffractive dissociation at t=-4 (GeV)^2 and various missing
masses, typical of present and future LHC measurements is predicted.
Future experiments at the LHC will verify the prediction and the model
behind it.