Tight constraints on F- and D-term hybrid inflation scenarios

Details Tight constraints on F- and D-term hybrid inflation scenarios Tight constraints on F- and D-term hybrid inflation scenarios

2010-01-05

arxiv.org/abs/1001.0769v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 2 figures

Scientific paper

We use present cosmological data from the cosmic microwave background, large-scale structure and deuterium at high redshifts to constrain supersymmetric F- and D-term hybrid inflation scenarios including possible contributions to the CMB anisotropies from cosmic strings. Using two different realizations of the cosmic string spectrum, we find that the minimal version of the D-term model is ruled out at high significance. F-term models are also in tension with the data. We also discuss possible non-minimal variants of the models.

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