1587 K
13 pp.
 
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TitleLow Frequency Measurement of the Spectrum of the Cosmic Background Radiation
Author(s)Smoot, G. F.; De Amici, G.; Friedman, S. D.; Witebsky, C.; Mandolesi, N.; Partridge, R. B.; Sironi, G.; Danese, L.; De Zotti, G.
Publication DateJune 1983
Report NumberLBL--16181
Unique IdentifierACC0183
Other NumbersOSTI ID: 893184
Research OrgLawrence Berkeley Laboratory (LBL) [Ernest Orlando Lawrence Berkeley National Laboratory (LBNL)], Berkeley, CA (US)
Contract NoAC03-76SF00098
Sponsoring OrgU.S. Department of Energy (USDOE)
Other InformationPhysical Review Letters, Vol. 51, Issue 12, 1983
KeywordsCosmic Background Radiation; Big Bang; Blackbody
Related Web PagesGeorge Smoot, Blackbody, and Anisotropyof the Cosmic Microwave Background Radiation
AbstractWe have made measurements of the cosmic background radiation spectrum at 5 wavelengths (0.33, 0.9, 3, 6.3, and 12 cm) using radiometers with wavelength-scaled corrugated horn antennas having very low sidelobes. A single large-mouth (0.7 m diameter) liquid-helium-cooled absolute reference load was used for all five radiometers. The results of the observations are consistent with previous measurements and represent a significant improvement in accuracy.
1587 K
13 pp.
 
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