No axions from the Sun

  title={No axions from the Sun},
  author={Marco Roncadelli and Fabrizio Tavecchio},
  • Marco Roncadelli, Fabrizio Tavecchio
  • Published 2015
  • Physics
  • Preliminary evidence of solar axions in XMM-Newton observations has quite recently been claimed by Fraser et al. as an interpretation of their detection of a seasonally-modulated excess of the X-ray background. Within such an interpretation, these authors also estimate the axion mass to be $m_a \simeq 2.3 \cdot 10^{- 6}$ eV. Since an axion with this mass behaves as a cold dark matter particle, according to the proposed interpretation the considered detection directly concerns cold dark matter… CONTINUE READING

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