Particle Acceleration Around 5-dimensional Kerr Black Hole

Understand

On the lines of the 4-dimensional Kerr black hole we consider the particle acceleration near a 5-dimensional Kerr black hole which has the two rotation parameters.

• It turns out that the center of mass energy of the two equal mass colliding particles as expected diverges for the extremal black hole and there is a symmetry in the results for $\theta = 0, \pi/2$.
• Because of the two rotation parameters, $r=0$ can be a horizon without being a curvature singularity.
• It is shown that the acceleration of particles to high energies near the 5-D extreme rotating black hole avoids fine-tuning of the angular momentum of particles.