Scattering of neutrinos by a rotating black hole accounting for the electroweak interaction with an accretion disk

Abstract

We study spin effects in the neutrino gravitational scattering by a supermassive black hole with a magnetized accretion disk having a finite thickness. We exactly describe the propagation of ultrarelativistic neutrinos on null geodesics and solve the spin precession equation along each neutrino trajectory. The interaction of neutrinos with the magnetic field is owing to the nonzero diagonal magnetic moment. Additionally, neutrinos interact with plasma of the accretion disk electroweakly within the Fermi approximation. These interactions are obtained to change the polarization of incoming neutrinos, which are left particles. The fluxes of scattered neutrinos, proportional to the survival probability of spin oscillations, are derived for various parameters of the system. In particular, we are focused on the matter influence on the outgoing neutrinos flux. The possibility to observe the predicted effects for astrophysical neutrinos is briefly discussed.

14 pages in World Scientific LaTeX style, 14 eps figures; minimal changes, version to be published in special issue of Int.J.Mod.Phys.D

References in corpus (15)

• First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
• First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
• Slim disks around Kerr black holes revisited
• Optical caustics of Kerr spacetime: the full structure
• A search for neutrino emission from cores of Active Galactic Nuclei
• General relativity effects in precision spin experimental tests of fundamental symmetries
• Neutrino spin oscillations in external fields in curved spacetime
• Capture of non-relativistic particles in eccentric orbits by a Kerr black hole
• Gravitational Lensing of Supernova Neutrinos
• Neutrino spin oscillations in conformally gravity coupling models and quintessence surrounding a black hole
• Neutrino scattering off a black hole surrounded by a magnetized accretion disk
• Spin oscillations of neutrinos scattered off a rotating black hole
• Evolution of Primordial Neutrino Helicities in Cosmic Gravitational Inhomogeneities
• Gravitational scattering of spinning neutrinos by a rotating black hole with a slim magnetized accretion disk
• Gravitational Lensing of Supernova Neutrino Bursts

Cited by in corpus (5)

• Neutrino spin oscillations in a magnetized Polish doughnut
• Spin oscillations in neutrino gravitational scattering
• Neutrino spin oscillations near a black hole
• Spin oscillations of neutrinos scattered by the supermassive black hole in the galactic center
• Spin and flavor oscillations of neutrinos in gravitational fields