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Cosmological Signatures of Interacting Neutrinos
Nicole F. Bell, Elena Pierpaoli, Kris Sigurdson
We investigate signatures of neutrino scattering in the Cosmic Microwave Background (CMB) and matter power spectra, and the extent to which present cosmological data can distinguis…
CMB component separation by parameter estimation
H. K. Eriksen, C. Dickinson, C. R. Lawrence +9
We propose a solution to the CMB component separation problem based on standard parameter estimation techniques. We assume a parametric spectral model for each signal component, an…
Massive galaxy clusters and the origin of Ultra High Energy Cosmic Rays
Elena Pierpaoli, Glennys Farrar
We investigate whether ultra--high energy cosmic rays (UHECR) may be preferentially produced in massive galaxy clusters, by looking for correlations between UHECR directions and th…
Finding SZ clusters in the ACBAR maps
Elena Pierpaoli, Sandrine Anthoine
We present a new method for component separation from multifrequency maps aimed to extract Sunyaev-Zeldovich (SZ) galaxy clusters from Cosmic Microwave Background (CMB) experiments…
Probing the largest scale structure in the universe with polarization map of galaxy clusters
Naoki Seto, Elena Pierpaoli
We introduce a new formalism to describe the polarization signal of galaxy clusters on the whole sky. We show that a sparsely sampled, half-sky map of the cluster polarization sign…
An Analysis of Optical Pick-up in SCUBA Data
M. Zemcov, M. Halpern, E. Pierpaoli
The Sub-millimetre Common User Bolometer Array (SCUBA) at the JCMT employs a chopping and nodding observation technique to remove variations in the atmospheric signal and improve t…