How the Intensity of X-Radiation affects the Late Stage Coloration in Very Pure KCI Crystals

Abstract

SEVERAL authors1–3 have studied how the intensity of an X-ray beam, E, affects the parameter “a” which defines the rate of generation of the late stage anion vacancies. Mitchell et al.1 have shown that a E2. Abramson and Caspari2, however, have suggested that for large values of E, a should vary linearly with E and for low intensities a should vary as E2. According to Pooley3, the power x of E in the relation a Ex should be unity for large values of E and should increase to a limiting value of 1.5 on decreasing E. We have made investigations with very pure KCl crystals using the thermoluminescence technique4 to find the variation of x in the relation a Ex for low and high X-ray intensities.

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References

  1. 1

    Mitchell, P. V., Wiegand, D. A., and Smoluchowski, R., Phys. Rev., 121, 484 (1961).

  2. 2

    Abramson, E., and Caspari, M. E., Phys. Rev., 129, 536 (1963).

  3. 3

    Pooley, D., Proc. Phys. Soc., 89, 723 (1966).

  4. 4

    Jain, S. C., and Mehendru, P. C., Phys. Rev., 140, A957 (1965).

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JAIN, S., MEHENDRU, P. How the Intensity of X-Radiation affects the Late Stage Coloration in Very Pure KCI Crystals. Nature 223, 943 (1969). https://doi.org/10.1038/223943a0

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