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SUMMARY:CMB primordial non-Gaussianity: results from WMAP and prospects fo
 r Planck - Michele Liguori (DAMTP)
DTSTART:20080128T130000Z
DTEND:20080128T140000Z
UID:TALK10001@talks.cam.ac.uk
CONTACT:David Mulryne
DESCRIPTION:Small\, but non-vanishing non-Gaussianity (NG) of primordial c
 osmological perturbations is a general prediction of inflation. The amplit
 ude of the expected non-Gaussian signal is model-dependent and can vary by
  many orders of magnitude from one scenario to another. For this reason ex
 perimental bounds on primordial NG allow us to significantly constrain dif
 ferent scenarios for the generation of perturbations in the context of inf
 lation. In this talk I will firstly review and discuss recent claims of de
 tection of a primordial non-Gaussian signal in the WMAP temperature data. 
 I will then show how the accuracy and the robustness of these results can 
 be significantly improved and tested using the future temperature and\npol
 arization datasets from the Planck satellite.
LOCATION:Potter Room\,  CMS\, Pav.B\, First Floor Common Room (B1.19)
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