A single-parameter supergravity inflation model, previously ruled out for one parameter value, becomes compatible with Planck 2018 data when the slope parameter is slightly nonzero.
MSSM inflation
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abstract
Variants of the $A$-term model of hep-ph/0605035 are considered. They are equally successful, indicating that the model is quite robust once the relation between $A$ and the soft mass is regarded as tunable. Alternatively a flat direction might support modular inflation.
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A simple supergravity model of inflation constrained with Planck 2018 data
A single-parameter supergravity inflation model, previously ruled out for one parameter value, becomes compatible with Planck 2018 data when the slope parameter is slightly nonzero.