Speaker: Takashi Hiramatsu (Rikkyo Univ.)
Title: Reconstruction of primordial tensor power spectrum from CMB B-mode observations
We present our on-going work on the reconstruction of
primordial tensor power spectrum from the CMB B-mode
observations. Directly computing the Fisher information
matrix, we estimate the 1-\sigma error around the fiducial
power spectrum of tensor perturbations. Using the results,
we demonstrate that our approach is useful to constrain the
models which predict characteristic features on the
primordial tensor power spectrum.

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Last-modified: 2017-05-31 (水) 14:27:20 (54d)