A measurement by BOOMERANG of multiple peaks in the angular power spectrum of the cosmic microwave background

Astronomy and Astrophysics – Astrophysics

Scientific paper

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changes to reflect version accepted by ApJ

Scientific paper

10.1086/340118

This paper presents a measurement of the angular power spectrum of the Cosmic Microwave Background from l=75 to l=1025 (~10' to 5 degrees) from a combined analysis of four 150 GHz channels in the BOOMERANG experiment. The spectrum contains multiple peaks and minima, as predicted by standard adiabatic-inflationary models in which the primordial plasma undergoes acoustic oscillations. These results significantly constrain the values of Omega_tot, Omega_b h^2, Omega_c h^2 and n_s.

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