darkhistory.electrons.positronium.weighted_photon_spec¶
-
darkhistory.electrons.positronium.
weighted_photon_spec
(eng)¶ Returns the weighted photon spectrum from positronium annihilation.
This assumes 3/4 ortho- and 1/4 para-, normalized to a single annihilation.
Parameters: - eng : ndarray
The energy abscissa.
Returns: - Spectrum
The resulting photon
Spectrum
object.