Particle emission rates from a black hole: Massless particles from an uncharged, nonrotating hole
Journal Article
·
· Physical Review. D, Particles Fields
Hawking has predicted that a black hole will emit particles as if it had a temperature proportional to its surface gravity. This paper combines Hawking's quantum formalism with the black-hole perturbation methods of Teukolsky and Press to calculate the emission rate for the known massless particles. Numerical results indicate that a hole of mass M very-much-greater-than 10$sup 17$ g should emit a total power output of 2 x 10$sup -4$hc$sup 6$$G$$sup -2$$M$$sup -2$, of which 81% is in neutrinos, 17% is in photons, and 2% is in gravitons. These rates plus an estimate for the emission rates of massive particles from smaller holes allow one to infer that a primordial black hole will have decayed away within the present age of the universe if and only if its initial mass was M < (5 +- 1) x 10$sup 14$ g. (AIP)
- Research Organization:
- California Institute of Technology, Pasadena, California 91125
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-33-030562
- OSTI ID:
- 4048788
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 2 Vol. 13; ISSN 0556-2821
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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