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Large orbital angular momentum can be generated in non-central heavy-ion collisions, and part of it is expected to be converted into final particle's polarization due to the spin-orbit coupling. Within the framework of A Multi-Phase…

Nuclear Theory · Physics 2017-12-08 Xiao-Liang Xia , Hui Li , Qun Wang

We study in detail the properties of the accreting corona model for active galactic nuclei and galactic black holes. In this model the fraction of the energy liberated in the corona at a given radius is calculated from the global parameters…

Astrophysics · Physics 2009-10-31 Agnieszka Janiuk , Bozena Czerny

The separation of the source created in ultrarelativistic heavy-ion collisions into a thermalized dense core and an outer mantle consisting of independent nucleon-nucleon collisions is discussed. Evidence for such a two component picture is…

Nuclear Theory · Physics 2009-05-05 Piotr Bozek

In the context of the description of how the vortical motion, produced in peripheral heavy-ion collisions, is transferred to the spin of hadrons, we compute the $\sigma$-meson propagator at finite temperature and baryon density. This…

The two-particle momentum correlation between the Omega-baryon ($\Omega$) and the $^{4}He (\alpha) $ in high-energy heavy ion collisions is explored. Such correlations as an alternative source of information can help us further understand…

Nuclear Theory · Physics 2025-02-10 Faisal Etminan

It has been proposed that the $\Lambda$ and $\overline{\Lambda}$ polarizations observed in heavy-ion collisions are due to the interaction between quark spin and thermal vorticity. In this work we report on a computation of the relaxation…

High Energy Physics - Phenomenology · Physics 2020-09-23 Alejandro Ayala , David de la Cruz , L. A. Hernández , S. Hernández-Ortíz , Jordi Salinas

We establish the updated version of dynamical core--corona initialization framework (DCCI2) as a unified description from small to large colliding systems and from low to high transverse momentum ($p_T$) regions. Using DCCI2, we investigate…

Nuclear Theory · Physics 2022-02-23 Yuuka Kanakubo , Yasuki Tachibana , Tetsufumi Hirano

The polarizations of $\Lambda$ and $\bar{\Lambda}$ hyperons are important quantities in extracting the fluid vorticity of the strongly coupled quark gluon plasma and the magnitude of the magnetic field created in off-central heavy-ion…

Nuclear Theory · Physics 2017-12-01 Hui Li , Long-Gang Pang , Qun Wang , Xiao-Liang Xia

We calculate the contribution to the polarization of $\Lambda$ hyperons in relativistic nuclear collisions at high energy from the decays of $\Sigma^*(1385)$ and $\Sigma^0$, which are the predominant sources of $\Lambda$ production besides…

Nuclear Theory · Physics 2019-10-02 F. Becattini , Gaoqing Cao , Enrico Speranza

The global polarization of the $\Lambda$ and $\overline\Lambda$ hyperons is measured for Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 and 5.02 TeV recorded with the ALICE at the LHC. The results are reported differentially as a function…

Nuclear Experiment · Physics 2021-09-27 ALICE Collaboration

The effect of an ionic core on the temperature relaxation in dense hot plasma of beryllium is studied using the pseudpotential model by Gericke et al [Phys. Rev. E 2010, 81, 065401(R)]. Employing the screened version of the ion…

Plasma Physics · Physics 2023-10-20 T. S. Ramazanov S. K. Kodanova , M. K. Issanova , B. Z. Kenzhegulov

Predictions for the global polarization of $\Lambda$ hyperons in Au+Au collisions at moderately relativistic collision energies, 2.4 $\leq\sqrt{s_{NN}}\leq$ 11 GeV, are made. These are based on the thermodynamic approach to the global…

Nuclear Theory · Physics 2021-03-31 Yu. B. Ivanov

We present an analysis of the longitudinal $\bar \Lambda_0$ polarization in ultra-relativistic heavy-ion collisions. The polarization of $\bar \Lambda_0$'s coming from the decay chain $\bar{\Xi}\to \bar{\Lambda}_0+\pi$ exhibits a very well…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. Herrera , J. Magnin , L. M. Montaño

Significant global polarization of $\Lambda$ hyperons along the direction of the orbital angular momentum has been measured in non-central heavy-ion collisions where the equation of state (EOS) of the produced dense matter is expected to…

Nuclear Theory · Physics 2026-03-31 Cong Yi , Shi Pu , Long-Gang Pang , Guang-You Qin , Xin-Nian Wang

We study the inclusive production of $\Lambda$ ($\bar \Lambda$) in several high energy collision processes ($e^+e^-, e^{\pm}p, \nu (\bar \nu)p, pp$), in view of an accurate determination of the unpolarized and polarized fragmentation…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jacques Soffer

The first experimental information on the strong interaction between $\Lambda$ and $\Xi^-$ strange baryons is presented in this Letter. The correlation function of $\Lambda-\Xi^-$ and $\overline{\Lambda}-\overline{\Xi}^{+}$ pairs produced…

Nuclear Experiment · Physics 2023-10-06 ALICE Collaboration

We present a calculation of the global polarization of Lambda hyperons in relativistic Au-Au collisions at RHIC Beam Energy Scan range sqrt{s}_NN = 7.7 - 200 GeV with a 3+1 dimensional cascade + viscous hydro + cascade model, UrQMD+vHLLE.…

Nuclear Theory · Physics 2017-04-07 Iu. Karpenko , F. Becattini

We predict the polarization of Lambda and antiLambda hyperons in peripheral heavy ion collisions at ultrarelativistic energy, based on the assumption of local thermodynamical equilibrium at freeze-out. The polarization vector is…

Nuclear Theory · Physics 2013-11-21 F. Becattini , L. Csernai , D. J. Wang

Core-polarization interactions are investigated in low-energy electron elastic scattering from the atoms In,Sn,Eu,Au and At through the calculation of their electron affinities. The complex angular momentum method wherein is embedded the…

Atomic Physics · Physics 2015-10-07 Z. Felfli , A. Z. Msezane

We study $\Xi$-$^4{\mathrm{He}}$ ($\alpha$) momentum correlation functions in the high-energy nuclear collisions to investigate the nature of the $\Xi N$ interactions. We employ the folding $\Xi \alpha$ potential based on the lattice QCD…

Nuclear Theory · Physics 2026-05-27 Yuki Kamiya , Asanosuke Jinno , Tetsuo Hyodo , Akira Ohnishi