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

Richard Battye, Björn Garbrecht, Adam Moss

Research output: Contribution to journalArticlepeer-review

40 Scopus citations


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 nonminimal variants of the models.

Original languageEnglish
Article number123512
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number12
StatePublished - 2010
Externally publishedYes


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