2 GALACTIC COSMIC RAYS FROM PBHs AND PRIMORDIAL SPECTRA WITH A SCALE

@inproceedings{Barrau20022GC,
  title={2 GALACTIC COSMIC RAYS FROM PBHs AND PRIMORDIAL SPECTRA WITH A SCALE},
  author={Aur{\'e}lien Barrau and David E. Blais and Ga{\"e}lle Boudoul and David Polarski},
  year={2002}
}
We consider the observational constraints from the detection of antiprotons in the Galaxy on the amount of Primordial Black Holes (PBH) produced from primordial power spectra with a bumpy mass variance. Though essentially equivalent at the present time to the constraints from the diffuse γ-ray background, they allow a widely independent approach and they should improve sensibly in the nearby future. We discuss the resulting constraints on inflationary parameters using a Broken Scale Invariance… CONTINUE READING

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