Letter | Published:

Beta Spectrum of Tritium

Nature volume 162, pages 302303 (21 August 1948) | Download Citation

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Abstract

THE β-spectrum of tritium (1H3) is of particular interest because : (1) the relatively simple structure of the 1H3 nucleus makes it Well suited to a test of the Fermi theory of β-decay ; (2) the unusually low energy of the β-particles means that the shape of the spectrum near the upper limit is an extremely sensitive function of the rest mass of the neutrino if the Fermi theory is confirmed ; (3) a theoretical discrepancy1 exists between the half-life2 and the upper energy limit, as recently measured3 ; (4) the mass difference (1H32He3) can be accurately determined.

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References

  1. 1.

    , Phys. Rev., 72, 518 (1947).

  2. 2.

    , Phys. Rev., 72, 972 (1947). , et al., Phys. Rev., 72, 973 (1947).

  3. 3.

    , and , Phys. Rev., 70, 640 (1946).

  4. 4.

    , and , "X-Rays" (Macmillan, 1936).

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Author information

Affiliations

  1. Department of Natural Philosophy, University of Glasgow. May 21.

    • S. C. CURRAN
    • , J. ANGUS
    •  & A. L. COCKCROFT

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DOI

https://doi.org/10.1038/162302a0

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