Manifestation of the Hexatic Phase in Confined Two-Dimensional Systems with Circular Symmetry

E. G. Nikonov, R. G. Nazmitdinov and P. I. Glukhovtsev Quasi-two-dimensional systems play an important role in the manufacture of various devices for the needs of nanoelectronics. Obviously, the functional efficiency of such systems depends on their structure, which can change during phase transitions under the influence of external conditions …

Hyperon Production in Bi + Bi Collisions at the Nuclotron-Based Ion Collider Facility and Angular Dependence of Hyperon Spin Polarization

В.Воронюк (снс, ЛФВЭ), Н.С.Цегельник (стажер-исследователь, ЛТФ), Е.Э.Коломейцев (внс, ЛТФ) The strange baryon production in Bi + Bi collisions at √sNN = 9.0 GeV is studied using the PHSD transport model. Hyperon and anti-hyperon yields, transverse momentum spectra, and rapidity spectra are calculated, and their centrality dependence and the effect of …

Light-nuclei production in heavy-ion collisions within a thermodynamical approach

M. Kozhevnikova and Yu. B. Ivanov We present results of simulations of light-nuclei production in relativistic heavy-ion collisions within the updated Three-fluid Hydrodynamics-based Event Simulator Extended by UrQMD (ultrarelativistic quantum molecular dynamics) final State interactions (theseus). The simulations were performed for Pb + Pb and Au + Au collisions in the collision …

Light-Nuclei Production in Heavy-Ion Collisions at √sNN = 6.4 – 19.6 GeV in THESEUS Generator Based on Three-Fluid Dynamics

Marina Kozhevnikova, Yuri B. Ivanov Light-nuclei production in relativistic heavy-ion collisions is simulated within an updated Three-fluid Hydrodynamics-based Event Simulator Extended by UrQMD (Ultra-relativistic Quantum Molecular Dynamics) final State interactions (THESEUS). The simulations are performed in the collision energy range of √sNN = 6.4–19.6 GeV. The light-nuclei are produced within …

Light-nuclei production in Au+Au collisions at √sNN = 3 GeV within a thermodynamical approach: Bulk properties and collective flow

M. Kozhevnikova (LHEP JINR, Dubna), Yu.B. Ivanov (Kurchatov Inst., Moscow and Dubna, JINR) We present results of simulations of light-nuclei production in Au+Au collisions at a collision energy of √sNN = 3 GeV within the updated Three-fluid Hydrodynamics-based Event Simulator Extended by UrQMD (ultrarelativistic quantum molecular dynamics) final State interactions …

Production of light hypernuclei in Au+Au collisions at √sNN=3 GeV within a thermodynamic approach

M. Kozhevnikova and Yu. B. Ivanov Simulations of the Λ-hyperon and light-hypernuclei production in Au+Au collisions at √sNN = 3 GeV were performed within the updated three-fluid hydrodynamics-based event simulator extended by UrQMD (ultrarelativistic quantum molecular dynamics) final state interactions (THESEUS). The light (hyper)nuclei are treated thermodynamically, i.e., they are considered …

Examination of STAR fixed-target data on directed flow at √sNN=3 and 4.5 GeV

Yu. B. Ivanov and M. Kozhevnikova We present results of simulations of directed flow of various hadrons in Au + Au collisions at collision energies of √sNN = 3 and 4.5 GeV. Simulations are performed within the model three-fluid dynamics and the event simulator based on it (THESEUS). The results are compared …

Technical Design Report of the Spin Physics Detector at NICA

The SPD Collaboration: V. Abazov, V. Abramov, L. Afanasyev, R. Akhunzyanov, A. Akindinov, I. Alekseev, A. Aleshko, V. Alexakhin, G. Alexeev, L. Alimov, A. Allakhverdieva, A. Amoroso, V. Andreev, V. Andreev, E. Andronov, Yu. Anikin, S. Anischenko, A. Anisenkov, V. Anosov, E. Antokhin, A. Antonov, S. Antsupov, A. Anufriev, K. Asadova, S. Ashraf, V. Astakhov, A. Aynikeev, M. Azarkin, N. Azorskiy, A. Bagulya, D. Baigarashev, A. Baldin, E. Baldina, N. Barbashina, A. Barnyakov, S. Barsov, A. Bartkevich, V. Baryshevsky, K. Basharina, A. Baskakov, V. Baskov, M. Batista, M. Baturitsky, V. Bautin, T. Bedareva, S. Belokurova, A. Belova, E. Belyaeva, A. …

К теоретической интерпретации данных о взаимодействиях ядер аргона с ядрами при высоких энергиях

В. В. Ужинский, А. С. Галоян, Н. А. Чалый Недавно (2024 г.) коллаборация NA61/SHINE представила экспериментальные данные о рождении π±, K±, протонов и антипротонов в центральных 40Ar +45 Sc взаимодействиях при Plab = 13−150 A · ГэВ/c. Коллаборация сравнила данные с предсказаниями популярных теоретических моделей. Оказалось, что модели неудовлетворительно описывают …