Abstract

Using COBE Differential Microwave Radiometer (DMR) 4 yr data, we find a general expression yielding the likelihood distribution in the three-dimensional parameter space spanned by the spectral index n, the spectral amplitude a10, and the false-vacuum density parameter ΩΛ. Using such simple expression, the range of possible normalizations within a given likelihood interval from top-likelihood normalization is readily found, with fair approximation, for any model with total density parameter Ω0 = 1 and assigned n and ΩΛ.

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