English
Related papers

Related papers: Anisotropic flow generated by hard partons in medi…

200 papers

We discuss the evolution of anisotropic boost-invariant quark-gluon plasma possibly created at the early stages of relativistic heavy-ion collisions. Our considerations are based on the recently proposed formalism that is an extension of…

Nuclear Theory · Physics 2010-01-15 W. Florkowski , R. Ryblewski

The quark-gluon plasma produced by collisions between ultra-relativistic heavy nuclei is well described in the language of hydrodynamics. Non-central collisions are characterized by very large angular momentum, which in a fluid system…

Nuclear Experiment · Physics 2020-03-10 Francesco Becattini , Michael Lisa

The quark gluon plasma generated in ultrarelativistic heavy ion collisions may possess sizable momentum-space anisotropies that cause the longitudinal and transverse pressures in the local rest frame to be significantly different. We review…

Nuclear Theory · Physics 2015-06-11 Michael Strickland

We propose that in nuclear collisions at the LHC the elliptic flow may get a contribution from leading hard and semihard partons which deposit energy and momentum into the hydrodynamic bulk medium. The crucial effect is that these partons…

Nuclear Theory · Physics 2015-05-27 Boris Tomasik , Peter Levai

We present state-of-the-art calculations of viscous photon emission from nuclear collisions at RHIC and LHC. Fluctuating initial density profiles are evolved with event-by-event viscous hydrodynamics. Momentum spectra of thermal photons…

Nuclear Theory · Physics 2015-02-23 Chun Shen , Ulrich W. Heinz , Jean-Francois Paquet , Igor Kozlov , Charles Gale

We study transverse momentum anisotropies, in particular, the elliptic flow $v_2$ due to the interference effect sourced by valence quarks in high-energy hadron-hadron collisions. Our main formula is derived as the high-energy (eikonal)…

High Energy Physics - Phenomenology · Physics 2025-05-14 Meijian Li , Wenyang Qian , Bin Wu , Hong Zhang

Flow develops in ultra-relativistic heavy-ion collisions via re-interactions among partons or/and hadrons. Characterizing flow is a crucial step towards understanding the formation of partonic matter. We review new measurements on…

Nuclear Experiment · Physics 2009-11-10 Fabrice Retiere

Transport and Langevin equations are employed to study hadronic medium effects on charmonium elliptic flows in heavy-ion collisions. In Pb-Pb collisions, the anisotropic energy density of the quark-gluon plasma (QGP) in the transverse plane…

Nuclear Theory · Physics 2021-06-28 Baoyi Chen , Liu Jiang , Yunpeng Liu

We study the harmonic flows, for example, the directed, elliptic, third and fourth flow of the system of partons formed just after relativistic heavy ion collisions. We calculate the minijets produced during the primary collisions using…

Nuclear Theory · Physics 2015-06-16 Ghi R. Shin

The emission of real photons from a momentum-anisotropic quark-gluon plasma (QGP) is affected by both the collective flow of the radiating medium and the modification of local rest frame emission rate due to the anisotropic momentum…

High Energy Physics - Phenomenology · Physics 2020-07-29 Babak Salehi Kasmaei , Michael Strickland

Anisotropic flow measurements play a crucial role in understanding the physics and bulk properties of the system created in heavy ion collisions. In this talk I briefly review the most important results obtained so far, recent developments…

Nuclear Experiment · Physics 2008-11-26 Sergei A. Voloshin

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

In off-central heavy-ion collisions, the quark-gluon plasma (QGP) is exposed to the strongest magnetic fields ever created in the universe. Due to the paramagnetic nature of the QGP at high temperatures, the spatially inhomogeneous magnetic…

Nuclear Theory · Physics 2016-05-04 Long-gang Pang , Gergely Endrődi , Hannah Petersen

Anisotropic flow plays a crucial role in establishing the equation of state of the Quark Gluon Plasma. The results at RHIC and LHC have demonstrated that the matter created in heavy-ion collisions behaves as a nearly perfect fluid reflected…

Nuclear Experiment · Physics 2019-08-13 Naghmeh Mohammadi

Space-time picture of the anisotropic flow evolution in Au+Au collisions at BNL RHIC is studied for strange hadrons within the microscopic quark-gluon string model. The directed flow of both mesons and hyperons demonstrates wiggle structure…

High Energy Physics - Phenomenology · Physics 2009-11-11 E. Zabrodin , L. Bravina , G. Burau , J. Bleibel , C. Fuchs , Amand Faessler

Anisotropic flow phenomena is a key probe of the existence of Quark-Gluon Plasma. Several new observable associated with correlations between anisotropic flow harmonics are developed, which are expected to be sensitive to the initial…

Nuclear Experiment · Physics 2016-07-20 You Zhou

In this work we study the non-equilibrium dynamics of a quark-gluon plasma, as created in heavy-ion collisions. We investigate how big of a role plasma instabilities can play in the isotropization and equilibration of a quark-gluon plasma.…

High Energy Physics - Phenomenology · Physics 2008-11-18 Bjoern Schenke

We study the real part of the static potential of a heavy quark-antiquark system in an anisotropic plasma medium. We use a quasi-particle approach where the collective dynamics of the plasma constituents is described using hard-loop…

High Energy Physics - Phenomenology · Physics 2024-05-10 Margaret E. Carrington , Gabor Kunstatter , Arghya Mukherjee

The azimuthal anisotropies of the collective transverse flow of hadrons are investigated in a large range of heavy-ion collision energy within the Parton-Hadron-String Dynamics (PHSD) microscopic transport approach which incorporates…

Nuclear Theory · Physics 2015-05-30 V. P. Konchakovski , E. L. Bratkovskaya , W. Cassing , V. D Toneev , V. Voronyuk

We review recent studies about anisotropic flows ($v_1, v_2, v_3$) of charmonium in the quark-gluon plasma produced in relativistic heavy-ion collisions. Collective flows of the bulk medium are developed due to the anisotropic pressure…

Nuclear Theory · Physics 2022-11-21 Chenyu Li , Baoyi Chen