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A New Upper Limit to the Galactic Deuterium-to-Hydrogen Ratio

Abstract

THE detection of the 21-cm. hydrogen line, in 1951, created interest in the possibility of detecting a similar deuterium line at a wave-length of 91.6 cm. By comparing the strengths of the two lines, the galactic deuterium-to-hydrogen ratio, ND/NH, could be determined. This quantity is of astrophysical interest because it will give information about the composition and nucleogenesis of the interstellar medium1,2.

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References

  1. Heller, L., Astrophys. J., 126, 341 (1957).

    Article  ADS  CAS  Google Scholar 

  2. Shklovsky, I. S., Cosmic Radio Waves, 257 (Harvard Univ. Press, 1960).

    Book  Google Scholar 

  3. Getmanzev, G. G., Stankevitch, K. S., and Troitsky, V. S., Doklady Akad. Nauk S.S.S.R., 103, 783 (1955).

    Google Scholar 

  4. Stanley, G. J., and Price, R., Nature, 177, 1221 (1956).

    Article  ADS  CAS  Google Scholar 

  5. Adgie, R. L., and Hey, J. S., Nature, 179, 370 (1957).

    Article  ADS  CAS  Google Scholar 

  6. Adgie, R. L., Paris Symposium on Radio Astronomy, 352 (Stanford University Press, Stanford, Calif., 1958).

    Google Scholar 

  7. Weinreb, S., Proc. Inst. Rad. Eng., 49, 1099 (1961).

    Google Scholar 

  8. Weinreb, S., Internal Memorandum, Res. Lab. Electronics, M.I.T., Cambridge, Mass. (July 29, 1960).

  9. Shklovsky, I. S., op. cit.; equations 14–6, 15–4, 18–3 and 18–4 appear to be incorrect.

  10. Adgie, R. L., op. cit., assumes that AD/AH = f3D/f3H and Δ fD/Δ fH = fD/fH. These assumptions are in error by small factors, Adgie's limit on ND/NH is more sensitive than he stated: 1/6,400, instead of 1/4,000.

  11. Wild, J. P., Astrophys. J., 115, 206 (1952).

    Article  ADS  CAS  Google Scholar 

  12. Field, G. B., Proc. Inst. Rad. Eng., 46, 240 (1952).

    ADS  Google Scholar 

  13. Hagen, J. P., Lilley, A. E., and McClain, E. F., Astrophys. J., 122, 361 (1958).

    Article  ADS  Google Scholar 

  14. Muller, C. A., Astrophys. J., 125, 830 (1957).

    Article  ADS  CAS  Google Scholar 

  15. Clark, B. G., Radhakrishnan, V., and Wilson, R. W., Rep. No. 3, Calif. Inst. Tech. Radio Observatory, Pasadena (1961).

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WEINREB, S. A New Upper Limit to the Galactic Deuterium-to-Hydrogen Ratio. Nature 195, 367–368 (1962). https://doi.org/10.1038/195367a0

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