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Madam - a map-making method for CMB experiments
E. Keihanen, H. Kurki-Suonio, T. Poutanen
We present a new map-making method for CMB measurements. The method is based on the destriping technique, but it also utilizes information about the noise spectrum. The low-frequen…
Cosmic microwave background power spectrum estimation with the destriping technique
T. Poutanen, D. Maino, H. Kurki-Suonio +2
Extraction of the CMB (Cosmic Microwave Background) angular power spectrum is a challenging task for current and future CMB experiments due to the large data sets involved. Here we…
A maximum likelihood approach to the destriping technique
E. Keihanen, H. Kurki-Suonio, T. Poutanen +2
The destriping technique is a viable tool for removing different kinds of systematic effects in CMB related experiments. It has already been proven to work for gain instabilities t…
Inhomogeneous Big Bang Nucleosynthesis and Mutual Ion Diffusion
Elina Keihanen
We present a study of inhomogeneous big bang nucleosynthesis with emphasis on transport phenomena. We combine a hydrodynamic treatment to a nuclear reaction network and compute the…
Big Bang nucleosynthesis, matter-antimatter regions, extra relativistic species, and relic gravitational waves
Massimo Giovannini, Elina Keihanen, Hannu Kurki-Suonio
Provided that matter-antimatter domains are present at the onset of big bang nucleosynthesis (BBN), the number of allowed additional relativistic species increases, compared to the…