Photon mass and cosmic microwave background anisotropy

Details Photon mass and cosmic microwave background anisotropy Photon mass and cosmic microwave background anisotropy

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...284l..21d&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 284, Sept. 15, 1984, p. L21, L22.

Astronomy and Astrophysics

Astrophysics

7

Background Radiation, Cosmology, Particle Mass, Photons, Relic Radiation, Anisotropy, Black Body Radiation, Microwave Emission

Scientific paper

Following the hypothesis of Georgi et al. (1983) on the existence of massive photons, their effect on the spectral behavior of the cosmic background dipole anisotropy has been investigated. A distortion was found increasing with wavelength to such an extent that the direction of the dipole anisotropy can be reversed. The best fit of the available experimental data gives a value for the photon mass of about 2.9 x 10 to the -51st g with Chi-X squared/DOF = 0.53, while the best fit with a pure blackbody has Chi-X squared/DOF = 1.32. However, the evidence for massive photons is based essentially on the long wavelength dipole anisotropy data, which are the oldest and least reliable.

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