The Photino Induced Distortion of the CMBR Blackbody Spectrum

Details The Photino Induced Distortion of the CMBR Blackbody Spectrum The Photino Induced Distortion of the CMBR Blackbody Spectrum

1998-06-10

arxiv.org/abs/astro-ph/9806136v1

Astronomy and Astrophysics

Astrophysics

4 pages (REVTeX), 1 PostScript figure

Scientific paper

It is shown that photon--photino inter-conversions (if exist) may result in a
detectable CMBR spectrum distortion which amplitude depends on photino
properties, such as its mass. An upper bound on the distortion parameter
determined from the recent COBE-FIRAS data, hence, sets a lower bound on the
photino mass, $m_{\tilde\gamma} \gtrsim 300 eV$.

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