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Future Cosmic Microwave Background Constraints to the Baryon Density | | Marc Kamionkowski
; Gerard Jungman
; Arthur Kosowsky
; David N. Spergel
; | | Date: |
8 Dec 1995 | | Subject: | astro-ph | | Affiliation: | Columbia), Gerard Jungman (Syracuse), Arthur Kosowsky (Harvard), and David N. Spergel (Princeton and Maryland | | Abstract: | We discuss what can be learned about the baryon density from an all-sky map of the cosmic microwave background (CMB) with sub-degree angular resolution. With only minimal assumptions about the primordial spectrum of density perturbations and the values of other cosmological parameters, such a CMB map should be able to distinguish between a Universe with a baryon density near 0.1 and a baryon-dominated Universe. With additional reasonable assumptions, it is conceivable that such measurements will constrain the baryon density to an accuracy similar to that obtained from BBN calculations. | | Source: | arXiv, astro-ph/9601027 | | Services: | Forum | Review | PDF | Favorites | |
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