Rotating synchrotron radiation: Photon emission from magnetized and rotating quark-gluon plasma

Abstract

This paper investigates the production of non-prompt photons originating from rotating synchrotron radiation (RoSyRa), specifically the emission of photons by a rigidly rotating quark-gluon plasma in thermal equilibrium, in the presence of an external magnetic field. We compute the non-prompt photon spectrum and its elliptic flow ($v_2$) at mid-rapidity. In particular, we investigate the finite volume effects. We find that at low transverse momentum, the magnetic field induces a significant $v_2$, while the plasma rotation boosts the synchrotron radiation of negatively charged quarks. These findings make RoSyRa a viable candidate mechanism to resolve the "direct photon puzzle."

25 pages, 17 figures. v2: published version

References in corpus (49)

• Experimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions
• Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX collaboration
• Quark Gluon Plasma an Color Glass Condensate at RHIC? The perspective from the BRAHMS experiment
• Estimate of the magnetic field strength in heavy-ion collisions
• The chiral and deconfinement aspects of the QCD transition
• Full result for the QCD equation of state with 2+1 flavors
• Global $\Lambda$ hyperon polarization in nuclear collisions: evidence for the most vortical fluid
• Event-by-event generation of electromagnetic fields in heavy-ion collisions
• Photon Emission from Quark-Gluon Plasma: Complete Leading Order Results
• Global polarization of $\Lambda$ hyperons in Au+Au collisions at $\sqrt{s_{{}_{NN}}}$ = 200 GeV
• The production of photons in relativistic heavy-ion collisions
• Hadronic Production of Thermal Photons
• Time and space dependence of electromagnetic field in relativistic heavy-ion collisions
• Observation of direct-photon collective flow in sqrt(s_NN)=200 GeV Au+Au collisions
• Azimuthally fluctuating magnetic field and its impacts on observables in heavy-ion collisions
• Evidence of spin-orbital angular momentum interactions in relativistic heavy-ion collisions
• Conformal anomaly as a source of soft photons in heavy ion collisions
• Thermal Photons and Collective Flow at the Relativistic Heavy-Ion Collider
• Testing the Chiral Magnetic Effect with Central U+U collisions
• Thermal photons as a quark-gluon plasma thermometer revisited
• Elliptic flow of thermal photons in relativistic nuclear collisions
• Analogy between rotation and density for Dirac fermions in a magnetic field
• Azimuthally anisotropic emission of low-momentum direct photons in Au$+$Au collisions at $\sqrt{s_{{}_{NN}}}=200$ GeV
• Viscous photons in relativistic heavy ion collisions
• Electromagnetic radiation by quark-gluon plasma in magnetic field
• Centrality dependence of the direct photon yield and elliptic flow in heavy-ion collisions at sqrt(s)=200 GeV
• Multi-messenger heavy-ion collision physics
• Anisotropic flow of thermal photons as a quark-gluon plasma viscometer
• Direct real photons in relativistic heavy ion collisions
• Probing the linear polarization of photons in ultraperipheral heavy ion collisions
• Elliptic flow of thermal photons from event-by-event hydrodynamic model
• Elliptic flow from thermal photons with magnetic field in holography
• Thermal photon $v_2$ with slow quark chemical equilibration
• Measurement of the higher-order anisotropic flow coefficients for identified hadrons in Au$+$Au collisions at $\sqrt{s_{{}_{NN}}}$ = 200 GeV
• Direct photon elliptic flow in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV
• Ellipticity of photon emission from strongly magnetized hot QCD plasma
• Polarization phenomenon in heavy-ion collisions
• On the role of magnetic field in photon excess in heavy ion collisions
• Flows and polarization of early photons with magnetic field at strong coupling
• Effect of magnetic field on the photon radiation from quark-gluon plasma in heavy ion collisions
• Polarization tensor of magnetized quark-gluon plasma at nonzero baryon density
• Nonprompt direct-photon production in Au$+$Au collisions at $\sqrt{s_{{}_{NN}}}=200$ GeV
• Synchrotron radiation by slowly rotating fermions
• Photon radiation by relatively slowly rotating fermions in magnetic field
• Circularly polarized photon emission from magnetized chiral plasmas
• Synchrotron contribution to photon emission from quark-gluon plasma
• Electromagnetic radiation at extreme angular velocity
• Photon and dilepton emission anisotropy for a magnetized quark-gluon plasma
• Causal fermion states in magnetic field in a relativistic rotating frame and electromagnetic radiation by a rapidly rotating charge