darkhistory.electrons.positronium.para_photon_spec

darkhistory.electrons.positronium.para_photon_spec(eng)

Returns the photon spectrum from parapositronium annihilation.

This is normalized to a single annihilation, producing 2 photons.

Parameters:

engndarray

The energy abscissa.

Returns:

Spectrum

The resulting photon Spectrum object.

See also

rebin_N_arr()