Neutron oscillation as a source of cosmic ray antinucleons

Details Neutron oscillation as a source of cosmic ray antinucleons Neutron oscillation as a source of cosmic ray antinucleons

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248.1162s&link_type=abstract

Astrophysical Journal, Part 1, vol. 248, Sept. 15, 1981, p. 1162-1165.

Astronomy and Astrophysics

Astrophysics

15

Antinucleons, Antiprotons, Cosmic Rays, Elementary Particle Interactions, Neutron Flux Density, Abundance, Interstellar Magnetic Fields, Interstellar Matter

Scientific paper

The effects of neutron oscillation on cosmic ray antineutrons and antiprotons are considered in light of available experiments on the cosmic ray antiproton/proton ratio, which lead to a direct lower bound of the mixing time of a free neutron greater than 2500 sec. If the free neutron mixing time is greater than 100,000 sec, as theoretically suggested, the effect gives an antiproton oscillation/proton ratio lower than about 2.0 x 10 to the -7th at low energies. Such an effect, if the free neutron mixing time is about 100,000 sec, would be seen in a low-momentum region at about 500 MeV/c in future experiments.

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