The C/CO ratio in B335 and the decaying dark matter neutrino hypothesis

Details The C/CO ratio in B335 and the decaying dark matter neutrino hypothesis The C/CO ratio in B335 and the decaying dark matter neutrino hypothesis

Mar 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.294..635m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 294, p. 635

Astronomy and Astrophysics

Astronomy

2

Dark Matter, Neutrinos, Carbon, Carbon Monoxide, Radioactive Decay, Interstellar Chemistry, Molecular Clouds, Carbon Isotopes

Scientific paper

CO-18 J = 2-1, CO-17 J = 2-1 and forbidden C I 3P1-3P0 emission from the dense cold cloud B335 has been observed and modelled in order to determine the C/CO ratio. The observed ratio is compared with a prediction by Tarafdar, who assumes a mechanism in which the CO dissociation is caused by photons of energy of about 13.8 eV. These were postulated by Sciama to result from the decay of dark matter neutrinos. Our value for the C/CO ratio sets an upper limit to the strength of the neutrino decay dissociation process, thus providing a significant datum for interstellar chemistry theory.

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