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Related papers: Lambda collective flow in heavy ion reactions

200 papers

We present directed flow of protons and pions, as well as mean polarization of $\Lambda$ and $\bar\Lambda$ hyperons computed for Au-Au collisions at $\sqrt{s_\mathrm{NN}}=5...19.6$ GeV in MUFFIN model. MUlti Fluid simulation for Fast IoN…

Nuclear Theory · Physics 2023-12-19 Iurii Karpenko , Jakub Cimerman

Collective flow of the final-state hadrons observed in ultrarelativistic heavy-ion collisions or even in smaller systems formed in high-multiplicity pp and p/d/$^3$He-nucleus collisions is one of the most important diagnostic tools to probe…

Nuclear Theory · Physics 2021-06-29 Rajeev S Bhalerao

A generalized mass formula is used to calculate the neutron and proton drip lines of normal and lambda hypernuclei treating non-strange and strange nuclei on the same footing. Calculations suggest existence of several bound hypernuclei…

High Energy Physics - Phenomenology · Physics 2008-04-23 C. Samanta , P. Roy Chowdhury , D. N. Basu

An energy dependence of the mean transverse mass $\langle m_T\rangle$ at mid-rapidity in proton-proton ($p+p$) reactions is studied within the ultra-relativistic quantum molecular dynamics (UrQMD). The UrQMD model predicts a nonmonotonous…

Nuclear Theory · Physics 2015-01-29 V. Yu. Vovchenko , D. V. Anchishkin , M. I. Gorenstein

Collisions between heavy nuclei at the Relativistic Heavy Ion Collider liberate from the nuclear wavefunction of order 10,000 gluons, quarks and antiquarks. The system is dominated by gluons and up and down (anti) quarks. Heavy quarks,…

Nuclear Theory · Physics 2007-05-23 J. L. Nagle

We have obtained a new set of parameters in a multiphase transport (AMPT) model that are able to describe both the charged particle multiplicity density and elliptic flow measured in Au+Au collisions at center of mass energy…

Nuclear Theory · Physics 2011-07-21 Jun Xu , Che Ming Ko

We compare microscopic transport model calculations to recent data on the directed and elliptic flow of various hadrons in 2 - 10 A GeV Au+Au and Pb (158 A GeV) Pb collisions. For the Au+Au excitation function a transition from the…

Nuclear Theory · Physics 2007-05-23 Sven Soff , Steffen A. Bass , Marcus Bleicher , Horst Stoecker , Walter Greiner

Static and dynamical aspects of nuclear systems are described through an extended time-dependent mean-field approach. The foundations of the formalism are presented, with highlights on the estimation of average values and their…

Nuclear Theory · Physics 2020-06-02 G. Besse , V. de la Mota , E. Bonnet , P. Eudes , P. Napolitani , Z. Basrak

The hyperon potential, particularly its behavior at high densities, is crucial for resolving the ``hyperon puzzle'' in neutron stars and for advancing our understanding of the strong interactions between strange and non-strange particles in…

Nuclear Theory · Physics 2025-05-20 Gao-Chan Yong

Coulomb final-state interaction of positive charged kaons in heavy ion reactions and its impact on the kaon transverse flow and the kaon azimuthal distribution are investigated within the framework of QMD (Quantum Molecular Dynamics) model.…

Nuclear Theory · Physics 2009-10-30 Z. S. Wang , Amand Faessler , C. Fuchs , V. S. Uma Maheswari , D. S. Kosov

We study the collective flow of open charm mesons and charmonia in Au+Au collisions at $\sqrt{s}$ = 200 GeV within the hadron-string-dynamics (HSD) transport approach. The detailed studies show that the coupling of $D,\bar{D}$ mesons to the…

Nuclear Theory · Physics 2009-11-10 E. L. Bratkovskaya , W. Cassing , H. Stoecker , N. Xu

We study the formation of the directed flow of hadrons in nuclear collisions at energies between AGS and SPS in Monte Carlo cascade model. The slope of the proton flow at midrapidity tends to zero (softening) with increasing impact…

High Energy Physics - Phenomenology · Physics 2016-08-29 L. V. Bravina , E. E. Zabrodin

Charge dependent directed flow is an important observable of electromagnetic fields in relativistic heavy-ion collisions. We demonstrate how the difference in charge dependent directed flows between protons and antiprotons is sensitive to…

Nuclear Theory · Physics 2025-08-25 Nicholas J. Benoit , Takahiro Miyoshi , Chiho Nonaka , Hiroyuki R. Takahashi

A sign reversal of the directed flow parameter $v_1$ in the central rapidity region in Au+Au collisions at $\sqrt s =200$~AGeV is predicted. This anti-flow is shown to be linked to the expansion of the hot matter created. In line with this…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Bleicher , H. Stöcker

Using ideal relativistic hydrodynamics in 2+1 dimensions, we study the collision energy dependence of radial and elliptic flow, of the emitted hadron spectra, and of the transverse momentum dependence of several hadronic particle ratios,…

Nuclear Theory · Physics 2009-07-22 Gregory Kestin , Ulrich W Heinz

An enhanced production of strange particles per pion in heavy ion collisions compared to elementary p+p interactions was observed in Pb+Pb reactions at the CERN SPS. New results obtained on small colliding systems, C+C and Si+Si, also show…

Nuclear Experiment · Physics 2009-11-10 I. Kraus

Strange particles such as the kaon and lambda are useful in probing the properties of dense matter formed in heavy ion collisions. We review in this talk the theoretical understandings of their properties in nuclear medium based on both the…

Nuclear Theory · Physics 2008-11-26 C. M. Ko

The present study presents a novel application for normalizing flows for domain adaptation. The study investigates the ability of flow based neural networks to improve signal extraction of $\Lambda$ Hyperons at CLAS12. Normalizing Flows can…

High Energy Physics - Experiment · Physics 2024-03-22 Rowan Kelleher , Matthew McEneaney , Anselm Vossen

The bulk motion of nuclear matter at the ultra-high temperatures created in heavy-ion collisions at the Relativistic Heavy Ion Collider and the Large Hadron Collider is well described in terms of nearly inviscid hydrodynamics, thereby…

Nuclear Experiment · Physics 2018-11-14 J. L. Nagle , W. A. Zajc

Heavy baryon/meson ratios $\Lambda_c/D^0$ and $\Lambda_b/\bar{B}^0$ in relativistic heavy ion collisions are studied in the quark coalescence model. For heavy baryons, we include production from coalescence of heavy quarks with free light…

Nuclear Theory · Physics 2009-11-19 Yongseok Oh , Che Ming Ko , Su Houng Lee , Shigehiro Yasui