Black hole constraints on the running-mass inflation model

Details Black hole constraints on the running-mass inflation model Black hole constraints on the running-mass inflation model

2000-04-20

arxiv.org/abs/astro-ph/0004296v3

Phys.Rev. D62 (2000) 043516

Astronomy and Astrophysics

Astrophysics

7 pages RevTeX file with seven figures incorporated, minor changes to match accepted version

Scientific paper

10.1103/PhysRevD.62.043516

The running-mass inflation model, which has strong motivation from particle physics, predicts density perturbations whose spectral index is strongly scale-dependent. For a large part of parameter space the spectrum rises sharply to short scales. In this paper we compute the production of primordial black holes, using both analytic and numerical calculation of the density perturbation spectra. Observational constraints from black hole production are shown to exclude a large region of otherwise permissible parameter space.

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