On the Probable Nature of the "Dark Particle Accelerators" Discovered by HESS

Details On the Probable Nature of the "Dark Particle Accelerators" Discovered by HESS On the Probable Nature of the "Dark Particle Accelerators" Discovered by HESS

2005-07-29

arxiv.org/abs/astro-ph/0507697v1

Proc. 29th ICRC, Vol. 4, p.187-190 (2006)

Astronomy and Astrophysics

Astrophysics

To be presented in 29th Int. Cosmic Ray Conf., Pune, 4 pages

Scientific paper

We estimate that the vacuum electric field associated with a spinning Magnetospheric Eternally Collapsing Object MECO (www.phys.uni-sofia.bg/~astro/abbrev.html) could be higher by a factor of ~ 10^4 than the corresponding pulsar value because of extreme relativistic Frame Dragging Effect. Thus isolated spinning MECOs could be source of UHE cosmic ray acceleration and VHE gamma-ray production. However because of the steeply varying gravitational field close to the surface of the MECO, any signal generated there would be both extremely redshifted and distorted. As a result, there may not be any significant pulsed X-ray or Radio emission from close to the surface, and consequently, the $\gamma$-ray source may appear as ``Unidentified'' and the particle accelerator may appear as ``Dark''.

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