Letter | Published:

Afterglow of the Balmer Spectrum of Hydrogen

Nature volume 162, page 261 (14 August 1948) | Download Citation

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Abstract

IN a paper published during the War the late Lord Rayleigh reported some new experiments about the hydrogen spectrum, indicating a duration of Balmer lines of more than 10-5 sec., which is roughly one thousand times greater than the values calculated from quantum mechanics and experimental results with positive rays. The method consists in producing a strong luminosity induced by a powerful condenser discharge in an electrodeless glass tube. Each discharge produces a jet of luminosity, squirting out of the electric field by thermal expansion into a side tube where the decay of the Balmer lines is observed and measured1.

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References

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    , , Proc. Roy. Soc., A, 183, 26 (1944).

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    , Nature, 155, 397 (1945).

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  1. Laboratoire des Recherches Physiques, Faculté des Sciences, Paris. April 14.

    • RENÉE HERMAN
    •  & LOUIS HERMAN

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DOI

https://doi.org/10.1038/162261a0

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