Role of Line-Width in the Measurement of the Doppler Displacements in Positive Rays

Abstract

THE Doppler effect in the resonance radiation of mercury λ 2537 A. has been studied by producing a pencil of mercury positive rays by the usual method1, in a Wine's type of discharge tube. Discharge potentials varying between 2·0 and 24·0 kV. have been used. Maximum Doppler displacement at each discharge potential used was measured from spectra obtained with graded times of exposure. The results are shown in the accompanying graph.

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References

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    Stark, Herman, and Kinoshita, Ann. Phys., 21, 462 (1906).

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    Das, G. K., doctorate dissertation, Benares Hindu University (1938).

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    Stark, Wendt, Kirschbaum and Künzer, Ann. Phys., 42, 241 (1913).

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DAKSHINAMURTI, C. Role of Line-Width in the Measurement of the Doppler Displacements in Positive Rays. Nature 157, 445 (1946) doi:10.1038/157445a0

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