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

C.B. Netterfield , P.A.R. Ade , J.J. Bock , J.R. Bond , J. Borrill , A. Boscaleri , K. Coble , C.R. Contaldi

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B.P. Crill P. De Bernardis P. Farese K. Ganga M. Giacometti E. Hivon V.V. Hristov A. Iacoangeli A.H. Jaffe W.C. Jones A.E. Lange L. Martinis S. Masi P. Mason P.D. Mauskopf A. Melchiorri T. Montroy E. Pascale F. Piacentini D. Pogosyan F. Pongetti S. Prunet G. Romeo J.E. Ruhl F. Scaramuzzi

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keywords omegaspectrumangularbackgroundboomerangcosmicmeasurementmicrowave

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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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