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The strong electromagnetic fields associated with ultra-relativistic protons and nuclei correspond to an equivalent flux of photons. At the future Large Hadron Collider at CERN, the corresponding photon-nucleon center of mass energies will…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Nystrand

In high energy heavy-ion collisions the magnetic field is very strong right after the nuclei penetrate each other and a non-equilibrium system of quarks and gluons builds up. Even though quarks might not be very abundant initially, their…

High Energy Physics - Phenomenology · Physics 2017-07-12 Moritz Greif , Carsten Greiner , Zhe Xu

Ultrarelativistic heavy ion collisions are expected to generate a huge electromagnetic field, $eB \approx 10^{18}\, Gauss$, that induces a splitting of the directed flow, $v_1=\left\langle p_x/p_T \right\rangle $, of charged particles and…

Nuclear Theory · Physics 2021-04-09 Yifeng Sun , Salvatore Plumari , Vincenzo Greco

This work studies the production of direct photons in relativistic nuclear collisions, along with the production of hadrons. Radiation from the very first instants to the final moments of the evolution is included. The hybrid model used…

Nuclear Theory · Physics 2022-02-01 Charles Gale , Jean-François Paquet , Björn Schenke , Chun Shen

The rapidity dependent directed flow of particles produced in a relativistic heavy ion collision can be generated in the hydrodynamic expansion of a tilted source. The asymmetry of the pressure leads to a build up of a directed flow of…

Nuclear Theory · Physics 2023-01-11 Piotr Bozek

We compute the electromagnetic field created by an ultrarelativistic charged particle in vacuum at distances comparable to the particle Compton wavelength. The wave function of the particle is governed by the Klein-Gordon equation, for a…

Nuclear Theory · Physics 2018-03-14 Balthazar Peroutka , Kirill Tuchin

We compute the electromagnetic fields generated in heavy-ion collisions by using the HIJING model. Although after averaging over many events only the magnetic field perpendicular to the reaction plane is sizable, we find very strong…

Nuclear Theory · Physics 2013-05-30 Wei-Tian Deng , Xu-Guang Huang

The colliding heavy ions create extremely strong magnetic and electric fields that significantly affect the evolution of the produced quark-gluon plasma (QGP). The knowledge of these fields is essential for establishing the role of…

High Energy Physics - Phenomenology · Physics 2021-02-03 U. Gürsoy , D. E. Kharzeev , E. Marcus , K. Rajagopal , C. Shen

We investigate the properties of the QCD matter across the deconfinement phase transition in the scope of the parton-hadron string dynamics (PHSD) transport approach. We present here in particular the results on the electromagnetic…

Nuclear Theory · Physics 2014-09-16 E. L. Bratkovskaya , O. Linnyk , W. Cassing

Heavy quarks are valuable probes of the electromagnetic field and the initial condition of the quark-gluon plasma (QGP) matter produced in high-energy nuclear collisions. Within an improved Langevin model that is coupled to a…

Nuclear Theory · Physics 2022-05-18 Ze-Fang Jiang , Shanshan Cao , Wen-Jing Xing , Xiang-Yu Wu , C. B. Yang , Ben-Wei Zhang

Electromagnetic (EM) probes such as photons and dileptons provide direct insight into the space-time evolution of the hot and dense matter formed in heavy-ion collisions. Being unaffected by strong interactions, they serve as penetrating…

Nuclear Experiment · Physics 2025-10-01 Sebastian Scheid

We investigate the charge-dependent flow induced by magnetic and electric fields in heavy ion collisions. We simulate the evolution of the expanding cooling droplet of strongly coupled plasma hydrodynamically, using the iEBE-VISHNU…

High Energy Physics - Phenomenology · Physics 2018-11-21 Umut Gürsoy , Dmitri Kharzeev , Eric Marcus , Krishna Rajagopal , Chun Shen

It is proposed to identify a strong electric field created during relativistic collisions of asymmetric nuclei via observation of pseudorapidity and transverse momentum distributions of hadrons with the same mass but opposite charges. The…

High Energy Physics - Phenomenology · Physics 2016-09-21 V. Toneev , O. Rogachevsky , V. Voronyuk

We discuss the generation of the directed flow $v_1(p_T,y_z)$ induced by the electromagnetic field as a function of $p_T$ and $y_z$. Despite the complex dynamics of charged particles due to strong interactions generating several…

Nuclear Theory · Physics 2021-07-08 Yifeng Sun , Vincenzo Greco , Salvatore Plumari

In ultra-relativistic heavy-ion collisions, the strong electric field can be produced by the colliding nuclei. The magnitude of the electric field $E$ is on the order of $eE\sim m_{\pi}^2$ at the early stage of the collision. In quark gluon…

Nuclear Theory · Physics 2020-05-26 Wu Biaogang , Chen Baoyi , Zhao Xingbo

Quantum Molecular Dynamics (QMD) calculations of central collisions between heavy nuclei are used to study fragment production and the creation of collective flow. It is shown that the final phase space distributions are compatible with the…

In this study, we utilize intense laser pulses and advanced quantum mechanical frameworks to investigate the behavior of high-velocity electrons within magnetized plasma environments. The focus of our research is placed within the context…

Plasma Physics · Physics 2024-12-31 B. S. Sharma , Garima Yadav , N. K. Jaiman , D. N. Gupta

At the earliest times after a heavy-ion collision, the magnetic field created by the spectator nucleons will generate an extremely strong, albeit rapidly decreasing in time, magnetic field. The impact of this magnetic field may have…

High Energy Physics - Phenomenology · Physics 2020-04-22 Gabriele Inghirami , Mark Mace , Yuji Hirono , Luca Del Zanna , Dmitri E. Kharzeev , Marcus Bleicher

Hadrons emitted by the pre-surface layer of quark-gluon plasma (QGP) before phase transition into hadronic gas are considered as possible source of direct information about QGP. It is shown that these hadrons dominate at soft p_t if QGP is…

High Energy Physics - Phenomenology · Physics 2009-10-30 D. Yu. Peressounko , Yu. E. Pokrovsky

There must be electromagnetic fields created during high-energy heavy-ion collisions. As the quark-gluon plasma (QGP) starts to evolve hydrodynamically, although these fields may become weak comparing to the energy scales of the strong…

Nuclear Theory · Physics 2024-02-27 Jing-An Sun , Li Yan