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Prog. Theor. Phys. Vol. 38 No. 5 (1967) pp. 1083-1094

[ Full Text PDF : FREE ACCESS (738K) ]

Formation of Li, Be, B in the Expanding Hot Universe

Humitaka Satō

Department of Physics, Faculty of Science, Kyoto University, Kyoto

(Received July 10, 1967)

Abstract:

The hot universe model suggests the element formation by thermonuclear fusion at the early stage of the cosmic expansion. The primordial origin of Li, Be, B is examined. Recent investigation by Wagoner, Fowler and Hoyle gives only the abundance of Li7. In this paper, we estimate the abundances of all the stable isotopes of Li, Be and B produced. In the case of Friedmann models with the present matter density ρ0m = 10-32 ∼ 10-29 g/cm3 and the present radiation temperature T0 ≃ 3°K, the produced quantities are D < 10-2.0. He3 < 10-3.6, He4 < 10-1.0, Li6 < 10-12.7, Li7 < 10-8.6, Be9 < 10-13.3, B10 < 10-16.7 and B11 < 10-13.0, by the ratio to hydrogen in number density. Therefore, the observed abundances of Li, Be, B cannot be explained by the primordial origin.


URL : http://ptp.ipap.jp/link?PTP/38/1083/
DOI : 10.1143/PTP.38.1083

[ Full Text PDF : FREE ACCESS (738K) ] Citation:

References:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 40 No. 4 (1968) pp. 781-795 :
    Observable Horizons in the Expanding Universe
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  2. Progress of Theoretical Physics Vol. 41 No. 3 (1969) pp. 835-838 :
    Formation of Galaxies from Hydrogen Gas
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  3. Progress of Theoretical Physics Vol. 41 No. 3 (1969) pp. 840-841 :
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  4. Progress of Theoretical Physics Vol. 42 No. 2 (1969) pp. 219-233 :
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  5. Progress of Theoretical Physics Vol. 42 No. 3 (1969) pp. 523-543 :
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  6. Progress of Theoretical Physics Vol. 42 No. 3 (1969) pp. 544-554 :
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  7. Progress of Theoretical Physics Vol. 46 No. 3 (1971) pp. 994-995 :
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  8. Progress of Theoretical Physics Vol. 48 No. 5 (1972) pp. 1503-1516 :
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  9. Progress of Theoretical Physics Vol. 58 No. 6 (1977) pp. 1775-1789 :
    Cosmological Constraints on the Mass and the Number of Heavy Lepton Neutrinos
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  10. Progress of Theoretical Physics Vol. 59 No. 3 (1978) pp. 1012-1013 :
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  11. Progress of Theoretical Physics Vol. 60 No. 6 (1978) pp. 1703-1716 :
    Constraints on Lifetime and Mass of Heavy Lepton Neutrinos Imposed by Big Bang Nucleosynthesis
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