The BICEP2 experiment

We are very pleased to announce our B-mode spectrum results! The papers, data, and figures can be viewed and downloaded here:

Back to UCSD Cosmology

BICEP2 BB auto spectra and 95% upper limits from several previous experiments (Leitch et al. 2005; Montroy et al. 2006; Sievers et al. 2007; Bischoff et al. 2008; Brown et al. 2009; QUIET Collaboration et al. 2011, 2012; Bennett et al. 2013; Barkats et al. 2014; POLARBEAR Collaboration 2014). The curves show the theory expectations for r = 0.2 and lensed-ΛCDM.

Graduate student Jonathan Kaufman placing a protective cover on top of the BICEP2 window's baffling in preparation for the installation of a 45 degree mirror for calibrations.

This material is based upon work supported by the following foundations.
Any opinions, findings, and conclusions or recommendations expressed in this material
are those of the author(s) and do not necessarily reflect their views.

NSF logo USAP logo UCSD logo