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Related papers: Polarization of Lambda^0 hyperons in nucleus-nucle…

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The gold--gold collisions at $\sqrt{s_{NN}}=7.7$ and $11.5$GeV are simulated within the PHSD transport model. In each collision event, the spectator nucleons are separated and the fluidization procedure for the participants is performed.…

Nuclear Theory · Physics 2023-04-24 Nikita Tsegelnik , Evgeni Kolomeitsev , Vadym Voronyuk

The polarization of Lambda, Anti-Lambda, Xi, and Anti-Xi hyperons along the angular momentum of the system has been measured in isobar collisions of Ru+Ru and Zr+Zr at $\sqrt{s_{NN}}$ = 200 GeV with the STAR detector at RHIC. The…

Nuclear Experiment · Physics 2025-05-14 The STAR Collaboration

The production of $\Upsilon$ mesons in fixed target $pN$ collisions is considered. It is shown that Non-Relativistic QCD predicts $\Upsilon$ states to be produced with sizeable transverse polarization. The possibility of a measurement of…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Kharchilava , T. Lohse , A. Somov , A. Tkabladze

The polarization of the $\Lambda$ and $\overline\Lambda$ hyperons along the beam ($z$) direction, $P_{\rm z}$, has been measured in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02TeV recorded with ALICE at the Large Hadron Collider (LHC).…

Nuclear Experiment · Physics 2022-12-06 ALICE Collaboration

We extend the theoretical approach which includes the dynamical and statistical stages for the description of the nucleosynthesis in central collisions of relativistic ions. Previously, this approach was successfully applied to describe…

Nuclear Theory · Physics 2024-10-24 N. Buyukcizmeci , T. Reichert , A. S. Botvina , M. Bleicher

Within a dynamical and statistical approach we study the main regularities in production of hypernuclei coming from projectile and target residues in relativistic ion collisions. We demonstrate that yields of hypernuclei increase…

Nuclear Theory · Physics 2015-06-16 A. S. Botvina , K. K. Gudima , J. Pochodzalla

Thermal vorticity in non-central Au+Au collisions at energies $7.7 \leq \sqrt{s} \leq 62.4$ GeV is calculated within the UrQMD transport model. Tracing the $\Lambda$ and $\bar{\Lambda}$ hyperons back to their last interaction point we were…

High Energy Physics - Phenomenology · Physics 2020-03-03 O. Vitiuk , L. Bravina , E. Zabrodin

We analyze polarization phenomena for pseudoscalar and vector mesons production in nucleon-nucleon collisions. We identify three energy regions corresponding to different physics and different approaches in the analysis of polarization…

Nuclear Theory · Physics 2007-05-23 Michail P. Rekalo , Egle Tomasi-Gustafsson

A number of physics arguments for a high-luminosity high energy polarized Electron- Nucleon/Nucleus-Collider (i.e. with a luminosity of at least 10^{33} cm^{-2} sec^{-1} and an invariant energy squarred of at least s >= 100 GeV^2) are…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Schäfer

Study of the characteristic properties of charged particle production in hadron-nucleus collisions at high energies, by utilising the approaches from different statistical models is performed.~Predictions from different approaches using the…

High Energy Physics - Phenomenology · Physics 2021-04-07 A. Kaur , M. Kaur , R. Aggarwal

We study the production of longitudinally polarized Lambda-baryons in single-spin pp collisions at RHIC and HERA-N as a means of determining the spin-dependent Lambda fragmentation functions. It is shown that a measurement of the rapidity…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. de Florian , M. Stratmann , W. Vogelsang

We study the production of $\Lambda$ hyperons in $p + A$ reactions on the basis of a BUU transport approach from 1.1 to 1.9 GeV and evaluate the properties of the hypernuclei produced in particular with respect to their momentum…

Nuclear Theory · Physics 2007-05-23 W. Cassing , Z. Rudy , L. Jarczyk , B. Kamys , P. Kulessa , O. W. B. Schult , A. Sibirtsev , A. Strzałkowski

Transverse polarization of $\Lambda^0$ hyperons in inclusive photoproduction at x_F>0 is tackled within the framework of the quark recombination model, which has been successfully applied to the polarization of different hyperons in a…

High Energy Physics - Phenomenology · Physics 2011-11-10 I. Alikhanov , O. Grebenyuk

A QCD phase transition may reflect in a inhomogeneous decoupling surface of hadrons produced in relativistic heavy-ion collisions. We show that due to the non-linear dependence of the particle densities on the temperature and…

Nuclear Theory · Physics 2009-11-11 A. Dumitru , L. Portugal , D. Zschiesche

We update briefly our understanding of hadron production in relativistic nucleus-nucleus collisions in terms of statistical models with emphasis on the relation of the data to the QCD phase boundary and on a puzzle in the beam energy…

Nuclear Experiment · Physics 2015-06-26 P. Braun-Munzinger

The main possibilities of investigation of leptons and bosons birth in interaction of polarized photons are considered. The usage of $\gamma \gamma \to f \bar{f} [+\gamma]$ reactions for the luminosity measurement on linear photon collider…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Shishkina

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

An overview is given on the experimental study of quark-gluon matter produced in relativistic nucleus-nucleus collisions, with emphasis on recent measurements at the Large Hadron Collider.

Nuclear Experiment · Physics 2015-06-22 A. Andronic

Highly excited nuclear matter created in ultrarelativistic heavy-ion collisions possibly reaches the phase of quark deconfinement. It quickly cools down and hadronises. We explain that the process of hadronisation may likely be connected…

Nuclear Theory · Physics 2007-12-03 B. Tomasik , G. Torrieri , I. Melo , P. Bartos , M. Gintner , S. Korony , I. Mishustin

Collisions of heavy ions (nuclei) at ultra-relativistic energies (sqrt(s_NN) >> 10 GeV per nucleon-nucleon collision in the centre of mass system) are regarded as a unique tool to produce in the laboratory a high energy density and high…

High Energy Physics - Phenomenology · Physics 2010-12-21 A. Dainese