New Constraints on the running-mass inflation model

Details New Constraints on the running-mass inflation model New Constraints on the running-mass inflation model

2002-10-29

arxiv.org/abs/hep-ph/0210395v1

Phys.Rev. D67 (2003) 043507

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 7 figures

Scientific paper

10.1103/PhysRevD.67.043507

We evaluate new observational constraints on the two-parameter scale-dependent spectral index predicted by the running-mass inflation model by combining the latest Cosmic Microwave Background (CMB) anisotropy measurements with the recent 2dFGRS data on the matter power spectrum, with Lyman $\alpha $ forest data and finally with theoretical constraints on the reionization redshift. We find that present data still allow significant scale-dependence of $n$, which occurs in a physically reasonable regime of parameter space.

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