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B2FH, the Cosmic Microwave Background and Cosmology*

Published online by Cambridge University Press:  05 March 2013

G. Burbidge
G. Burbidge*
Affiliation:
University of California San Diego, La Jolla, CA 92093, USA. Email: gburbidge@ucsd.edu
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Abstract

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In this talk I shall start by describing how we set about and carried out the work that led to the publication of Burbidge et al. (1957, hereafter B2FH). I then shall try and relate this work and the circumstances that surrounded it to the larger problem of the origin and formation of the universe. Here it is necessary to look back at the way that ideas developed and how, in many situations, astronomers went astray. Of course this is a personal view, though I very strongly believe that if he were still here, it is the approach that Fred Hoyle would take.

I start by describing the problems originally encountered by Gamow and his associates in trying to decide where the helium was made. This leads me to a modern discussion of the origin of 2D, 3He, 4He and 7Li, originally described by B2FH as due to the x-process. While it is generally argued, following Gamow, Alpher, and Herman, that these isotopes were synthesised in a big bang I shall show that it is equally likely that these isotopes were made in active galactic nuclei, as was the cosmic microwave background (CMB), in a cyclic universe model. The key piece of observational evidence is that the amount of energy released in the conversion of hydrogen to helium in the universe is very close to the energy carried by the CMB, namely ∼4.5 × 10−13 erg cm−3.

Keywords

cosmology: cosmic microwave backgroundhistory and philosophy of astronomynuclear reactions, nucleosynthesis, abundances
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 25 , Issue 1 , 2008 , pp. 30 - 35
Copyright
Copyright © Astronomical Society of Australia 2008

Footnotes

*

Invited paper presented at ‘Nuclear astrophysics 1957–2007’ held in Pasadena, CA, 23–27 July 2007.

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