Possible Evidence for the Existence of Antimatter on a Cosmological Scale in the Universe

Details Possible Evidence for the Existence of Antimatter on a Cosmological Scale in the Universe Possible Evidence for the Existence of Antimatter on a Cosmological Scale in the Universe

Nov 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971phrvl..27.1469s&link_type=abstract

Physical Review Letters, vol. 27, Issue 21, pp. 1469-1472

Mathematics

Logic

79

Scientific paper

We present some initial results of a detailed calculation of the cosmological γ-ray spectrum from matter-antimatter annihilation in the universe. The similarity of the calculated spectrum with the present observations of the γ-ray background spectrum above 1 MeV suggests that such observations may be evidence of the existence of antimatter on a large scale in the universe.

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