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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

The hot QCD matter produced in any heavy ion collision with a nonzero impact parameter is produced within a strong magnetic field. We study the imprint that these fields leave on the azimuthal distributions and correlations of the produced…

High Energy Physics - Phenomenology · Physics 2014-05-21 Umut Gursoy , Dmitri Kharzeev , Krishna Rajagopal

The extremely large electromagnetic fields generated in heavy-ion collisions provide access to novel observables that are expected to constrain various key transport properties of the quark-gluon plasma and could help solve one of the…

High Energy Physics - Phenomenology · Physics 2021-01-08 Andrea Dubla , Umut Gürsoy , Raimond Snellings

We compute the electromagnetic fields generated in relativistic heavy-ion collisions using the iEBE-VISHNU framework. We calculated the incremental drift velocity from the possible four sources of the electric force (coulomb, Lorentz,…

Nuclear Theory · Physics 2021-07-06 Tewodros Gezhagn , A. K. Chaubey

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

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

Electromagnetic field produced in high-energy heavy-ion collisions contains much useful information, because the field can be directly related to the motion of the matter in the whole stage of the reaction. One can divide the total…

Nuclear Theory · Physics 2009-10-31 T. Osada , Y. Hama

The hot QCD matter produced in any heavy ion collision with a nonzero impact parameter is produced within a strong magnetic field. We study the imprint the magnetic fields produced in non-central heavy ion collisions leave on the azimuthal…

High Energy Physics - Phenomenology · Physics 2015-06-22 Umut Gursoy , Dmitri Kharzeev , Krishna Rajagopal

Electromagnetic field in heavy ion collisions are expected to cause charge dependent directed flow splitting ($\Delta v_1$). Such charge dependent $\Delta v_1$ has been observed by the STAR collaboration. We demonstrate that relativistic…

Nuclear Theory · Physics 2023-05-16 Tribhuban Parida , Sandeep Chatterjee

We study proton-gold collisions at RHIC energy $\sqrt{s_{NN}}=200$ GeV within the Parton-Hadron-String Dynamics (PHSD) off-shell transport approach, investigating the influence of the intense electromagnetic fields generated in these small…

Nuclear Theory · Physics 2020-02-05 Lucia Oliva , Pierre Moreau , Vadim Voronyuk , Elena Bratkovskaya

The bending of flow of identified particles from the relativistic heavy-ion collision is investigated using the iEBE-VISHNU framework. The Maxwell's equations are applied to compute the incremental drift velocity and the change in the…

Nuclear Theory · Physics 2021-07-07 Tewodros Gezhagn , A. K. Chaubey

Strong electromagnetic fields are expected to be generated in off-central relativistic heavy ion collisions, which can induce a splitting of the directed flow of charged particles and anti-particles ($\Delta v_1$). Such a splitting…

Nuclear Theory · Physics 2020-09-08 Yifeng Sun , Salvatore Plumari , Vincenzo Greco

We have investigated the charge-dependent anisotropic flow in high-energy heavy-ion collisions, using relativistic resistive magneto-hydrodynamics (RRMHD). We consider the optical Glauber model as an initial model of the quark-gluon plasma…

Nuclear Theory · Physics 2023-03-29 Kouki Nakamura , Takahiro Miyoshi , Chiho Nonaka , Hiroyuki R. Takahashi

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

The hot and dense QCD matter produced in nuclear collisions at ultrarelativistic energy is characterized by very intense electromagnetic fields which attain their maximal strength in the early pre-equilibrium stage and interplay with the…

Nuclear Theory · Physics 2020-10-28 Lucia Oliva

The quark-gluon plasma formed in heavy ion collisions contains charged chiral fermions evolving in an external magnetic field. At finite density of electric charge or baryon number (resulting either from nuclear stopping or from…

High Energy Physics - Phenomenology · Physics 2012-08-14 Y. Burnier , D. E. Kharzeev , J. Liao , H. -U. Yee

It is known that the presence of background magnetic field in cosmic plasma distorts the acoustic peaks in CMBR. This primarily results from different types of waves in the plasma with velocities depending on the angle between the magnetic…

High Energy Physics - Phenomenology · Physics 2015-05-27 Ranjita K. Mohapatra , P. S. Saumia , Ajit M. Srivastava

Very strong magnetic fields can arise in non-central heavy-ion collisions at ultrarelativistic energies, which may not decay quickly in a conducting plasma. We carry out relativistic magnetohydrodynamics (RMHD) simulations to study the…

High Energy Physics - Phenomenology · Physics 2017-09-11 Arpan Das , Shreyansh S. Dave , P. S. Saumia , Ajit M. Srivastava

The large and rapidly varying electric and magnetic fields induced by the spectator systems moving at ultrarelativistic velocities induce a charge splitting of directed flow, $v_1$, of positive and negative pions in the final state of the…

Nuclear Theory · Physics 2015-02-13 A. Rybicki , A. Szczurek , M. Klusek-Gawenda , M. Kielbowicz

We have calculated the directed flow $v_{1}$ and charge-dependent directed flow $\Delta v_{1}$ for pions and protons in Au+Au collisions at $\sqrt{s_{NN}}=200$GeV by solving the coupled Boltzmann-Maxwell equations self-consistently. Our…

High Energy Physics - Phenomenology · Physics 2022-10-03 Jun-Jie Zhang , Xin-Li Sheng , Shi Pu , Jian-Nan Chen , Guo-Liang Peng , Jian-Guo Wang , Qun Wang
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