From boud w astro.uni.torun.pl  Fri May 23 10:26:07 2014
From: boud w astro.uni.torun.pl (Boud Roukema)
Date: Fri, 23 May 2014 10:26:07 +0200 (CEST)
Subject: [Cosmo-torun] B-modes: premature discovery announcement?
Message-ID: <alpine.DEB.2.00.1405231019350.2812@adjani.astro.uni.torun.pl>

hi cosmo-torun,

A joint analysis of Planck and BICEP2 B modes including dust polarization uncertainty
Michael J. Mortonson, Uroš Seljak
http://arxiv.org/abs/1405.5857

   "... The resulting joint BICEP2+Planck analysis favors solutions
   without gravity waves, and the upper limit on the tensor-to-scalar
   ratio is $r<0.11$, a slight improvement relative to the Planck
   analysis alone which gives $r<0.13$ ($95\%$ c.l.). The estimated
   amplitude of the dust polarization power spectrum is in rough
   agreement with expectations for this field based on HI column
   density. ..."


Popular science description:
https://www.sciencemag.org/content/344/6186/790.full

pozdr
Boud