English
Related papers

Related papers: Anisotropic flow: A case for Bottomonia

200 papers

The analysis of anisotropic flow of particles created in high energy heavy-ion collisions gives insight into the early stage of these reactions. Measurements of directed flow (v1), elliptic flow (v2) and flow of 4th and 6th order (v4 and…

Nuclear Experiment · Physics 2019-08-14 Markus D. Oldenburg

Potential near- and long-term physics opportunities with jets, heavy flavors and electromagnetic probes at the Relativistic Heavy Ion Collider (RHIC) are presented. Much new physics remains to be unveiled using these probes, due to their…

Nuclear Experiment · Physics 2009-01-07 John W. Harris

Using a two-component model for charmonium production, which includes contributions from both the initial hard nucleon-nucleon scattering and from the regeneration in the quark-gluon plasma, we study the nuclear modification factor $R_{AA}$…

High Energy Physics - Phenomenology · Physics 2011-02-21 Taesoo Song , Che Ming Ko , Su Houng Lee , Jun Xu

A critical discussion of the present signals for the phase transition to quark-gluon plasma (QGP) is given. Since hadronic rescattering models predict much larger flow than observed from 1 to 50 A GeV laboratory bombarding energies, this…

High Energy Physics - Theory · Physics 2008-11-26 Barbara Betz , Philip Rau , Horst Stöcker

The invariant mass spectrum and the elliptic flow of lepton pairs produced in relativistic heavy-ion collisions at RHIC are studied with viscous hydrodynamics. The effects of viscous corrections on dilepton observables are explored. The…

Nuclear Theory · Physics 2014-03-19 Gojko Vujanovic , Clint Young , Bjoern Schenke , Ralf Rapp , Sangyong Jeon , Charles Gale

This article reports recent developments of the research on Hamilton's Ricci flow and its applications.

Differential Geometry · Mathematics 2007-05-23 Huai-Dong Cao , Bennett Chow

Production and elliptic flow of heavy quarks are investigated in nucleus-nucleus collisions at RHIC and LHC within the Boltzmann Approach of MultiParton Scatterings (BAMPS). The initial heavy quark yield is estimated with the leading order…

High Energy Physics - Phenomenology · Physics 2014-11-20 Jan Uphoff , Oliver Fochler , Zhe Xu , Carsten Greiner

We study $b\bar{b}$ and $c\bar{c}$ production and the influence of nuclear shadowing at LHC and RHIC energies. We find a significant reduction in the production cross section of both charm and bottom at RHIC and LHC. Bound states such as…

High Energy Physics - Phenomenology · Physics 2011-01-25 Jens Ole Schmitt , Gouranga C. Nayak , Horst Stoecker , Walter Greiner

The major goals of heavy ion research are to explore the phase diagram of quantum chromodynamics (QCD) and to investigate the properties of the quark gluon plasma (QGP), a new state of matter created at high temperatures and/or densities.…

Nuclear Theory · Physics 2015-03-12 Hannah Petersen , Jan Steinheimer , Jussi Auvinen , Marcus Bleicher

Anisotropic flow is a sensitive probe of the initial conditions and the transport properties of the Quark Gluon Plasma (QGP) produced in heavy-ion collisions. In these proceedings, we present the first results of elliptic ($v_2$),…

Nuclear Experiment · Physics 2019-08-13 You Zhou

Anisotropic flow of hadrons is studied in heavy ion collisions at SPS and RHIC energies within the microscopic quark-gluon string model. The model was found to reproduce correctly many of the flow features, e.g., the wiggle structure of…

High Energy Physics - Phenomenology · Physics 2015-06-25 E. Zabrodin , L. Bravina , C. Fuchs , A. Faessler

Flow measurements are reviewed with particular emphasis on the hydrodynamic character of elliptic flow at RHIC. Hydrodynamic scaling compatible with the production of highly thermalized matter having a high degree of collective interactions…

Nuclear Experiment · Physics 2009-11-11 Roy A. Lacey

The thermal-photon emission from strongly coupled gauge theories at finite temperature via the bottom-up models in holographic QCD in the deconfined phase is studied. The models are constructed to approximately reproduce the electric…

Nuclear Theory · Physics 2016-12-19 Ioannis Iatrakis , Elias Kiritsis , Chun Shen , Di-Lun Yang

The recent results on anisotropic flow in ultrarelativistic nuclear collisions along with recent methodical developments and achievements in the understanding of the phenomena, are reviewed. The emphasis is given to the elliptic flow…

Nuclear Theory · Physics 2007-05-23 S. A. Voloshin

We present a theoretical and numerical study on the motion of isotropic helicoids in complex flows. These are particles whose motion is invariant under rotations but not under mirror reflections of the particle. This is the simplest, yet…

Fluid Dynamics · Physics 2016-09-19 Kristian Gustavsson , Luca Biferale

Production, elliptic flow and the nuclear modification factor of charm and bottom quarks are studied in central and non-central heavy-ion collisions at RHIC and LHC using the partonic transport model Boltzmann Approach of MultiParton…

High Energy Physics - Phenomenology · Physics 2011-02-11 Jan Uphoff , Oliver Fochler , Zhe Xu , Carsten Greiner

Early data of the ATLAS and CMS experiments at the LHC will allow us to measure the cross sections for beauty and heavy quarkonia production in proton-proton collisions at a center-of-mass energy of 14 TeV to a reasonable precision.…

High Energy Physics - Experiment · Physics 2019-08-14 Wolfgang Walkowiak

We investigate the charm-quark propagation in the QGP media produced in ultrarelativistic heavy-ion collisions at RHIC and the LHC. Purely collisional and radiative processes lead to a significant suppression of final $D$-meson spectra at…

High Energy Physics - Phenomenology · Physics 2015-06-22 Marlene Nahrgang , Joerg Aichelin , Steffen Bass , Pol Bernard Gossiaux , Klaus Werner

The propagation of charm and bottom quarks through an ellipsoidal domain of quark gluon plasma has been studied within the ambit of non-equilibrium statistical mechanics. Energy dissipation of heavy quarks by both radiative and collisional…

Nuclear Theory · Physics 2010-11-23 Santosh K Das , Jan-e Alam

The results on directed and elliptic flow for Pb + Pb at the full energy of the SPS (158 GeV/A) and from the first year of Au + Au at RHIC (sqrt{s_{_{NN}}=130 GeV) are reviewed. The different experiments agree well and a consistent picture…

Nuclear Experiment · Physics 2007-05-23 Arthur M. Poskanzer