HETDEX: Constraining Inflation With Primordial Non-Gaussianity

Details HETDEX: Constraining Inflation With Primordial Non-Gaussianity HETDEX: Constraining Inflation With Primordial Non-Gaussianity

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21942404j&link_type=abstract

American Astronomical Society, AAS Meeting #219, #424.04

Physics

Scientific paper

Hobby-Eberly Dark Energy Experiment (HETDEX) will yield about 800,000 blindly-detected spectra of distant (z=1.9-3.5) galaxies. By analyzing the power spectrum and the bispectrum of HETDEX galaxies, we can measure the primordial non-Gaussianity. This will enable us to constrain the physics of the early universe, because detecting the local type primordial non-Gaussianity will rule out all single field inflation models regardless of their details. In this poster, we present constraints on inflationary models expected from the HETDEX 3-year survey.

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