A CRITICISM OF METAGALACTIC HYPOTHESES FOR THE ORIGIN OF COSMIC RAYS
Journal Article
·
· Astron. Zhur.
OSTI ID:4802004
Every hypothesis that cosmic rays originate beyond the galaxy implies that their energy density W/sub c.r./ is the same in galactic and intergalactic space. The average value of W/sub c.r./ in the universe should then be about 10/ sup -12/ erg/cm/sup 3/. Under cosmic conditions, the energy denstty of the magnetic field is presumably of the same order as that of fihe cosmic rays. The magnetic field strength in intergalactic space should therefore be about (8 pi nW/ sub c/r/)/sup 1/2/ -- 5 x 10/sup -6/ gauss. But if the magnetic field were as strong as this, the radio emission from the metagalactic region would be several orders greater than is observed. This contradiction, and several other difficulties, compel the rejection of hypotheses for the metagalactic origin of cosmic rays. (auth)
- Research Organization:
- N.I. Lobachevskii Gorkii State Univ., USSR
- NSA Number:
- NSA-16-029614
- OSTI ID:
- 4802004
- Journal Information:
- Astron. Zhur., Journal Name: Astron. Zhur. Vol. Vol: 6
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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