Mathematics – Logic
Scientific paper
Aug 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....1..301a&link_type=abstract
In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 1 p 301-304 (SEE N85-33902 22-93)
Mathematics
Logic
Cosmic Rays, Energy Spectra, Extragalactic Radio Sources, Gamma Rays, Hubble Constant, Red Shift, Background Radiation, Galactic Evolution, Galactic Nuclei, High Energy Interactions, Hubble Diagram, Microwaves, Pair Production, Photons
Scientific paper
Observational data being the basis of contemporary cosmological models are not numerous: Hubble law of redshift for galaxies, element abundances, and observation of cosmic microwave background radiation (MBR). The significance of MBR discovery predicted in the Big-Band model is particularly stressed. Radio astronomical measurements give an information on MBR only near the Earth. Experimental confirmation of evolution of MBR, i.e., its probing in remote epochs, might obviously present a direct verification of the hypothesis of hot expanding Universe. The carriers of similar cosmological information should be particles which, firstly, effectively interact with MBR, and secondly, make it possible to identify unambiguously the epoch of interaction. A possibility to verify a number of cosmological hypotheses by searching the cutoffs in spectra of ultrahigh energy gamma-rays (UHEGR) from extragalactic sources is discussed.
Aharonian Felix A.
Atoyan Armen M.
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