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One important prediction of acceleration of particles in the supernova causedshock in the magnetic wind of exploding Wolf Rayet and Red Super Giant stars isthe production of an energetic particle component with an E^-2 spectrum, at alevel of a few percent in flux at injection. After allowing for transporteffects, so steepening the spectrum to E^-7/3, this component of electronsproduces electromagnetic radiation and readily explains the WMAP haze from theGalactic Center region in spectrum, intensity and radial profile. This requiresthe diffusion time scale for cosmic rays in the Galactic Center region to bemuch shorter than in the Solar neighborhood: the energy for cosmic rayelectrons at the transition between diffusion dominance and loss dominance isshifted to considerably higher particle energy. We predict that more preciseobservations will find a radio spectrum of \nu^-2/3, at higher frequencies\nu^-1, and at yet higher frequencies finally \nu^-3/2.

The WMAP haze from the Galactic Center region due to massive star explosions and a reduced cosmic ray scale height