Capture of particles from plunge orbits by a black hole

Details Capture of particles from plunge orbits by a black hole Capture of particles from plunge orbits by a black hole

Dec 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976phrvd..14.3281y&link_type=abstract

Physical Review D - Particles and Fields, 3rd Series, vol. 14, Dec. 15, 1976, p. 3281-3289.

Astronomy and Astrophysics

Astronomy

21

Black Holes (Astronomy), Particle Trajectories, Stellar Evolution, Trapped Particles, Angular Momentum, Cross Sections, Electron Capture, Equations Of Motion, Escape Velocity, Lorentz Force, Radial Velocity

Scientific paper

The paper is concerned with a study of parabolic orbits around a Kerr-Newman black hole, with special emphasis on the cross section for plunge orbits and the periastron of escape orbits. Photon orbits are also considered, and again the cross sections and accreted angular momenta for various types are calculated. Electromagnetic and gravitational radiation processes are ignored. The radial motion and the question of escape versus plunge are discussed along with the evolution of the spin and charge of black hole under certain conditions. The statistics of proton and electron capture by the smallest surviving primordial black holes suggest that they are most likely to be found possessing a single quantum of positive charge.

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