Range-Energy Relation for Protons in Nuclear Emulsions

Hugh Bradner; Frances M. Smith; Walter H. Barkas; A. S. Bishop

doi:10.1103/PhysRev.77.462

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Range-Energy Relation for Protons in Nuclear Emulsions

Hugh Bradner, Frances M. Smith, Walter H. Barkas^*, and A. S. Bishop

Radiation Laboratory, University of California, Berkeley, California

^*ONR, San Francisco, California.

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Phys. Rev. 77, 462 – Published 15 February, 1950

DOI: https://doi.org/10.1103/PhysRev.77.462

Abstract

An experimental range-energy relation in Ilford C-2 emulsion has been obtained for protons up to 39.5 Mev. In the region from 17 to 33 Mev the relation for dry emulsion is fitted by the empirical equation $E_{(Mev)} = 0.251 R_{(μ)}^{0.581}$ . Variations in water content due to changes in atmospheric humidity make several percent difference in range. The range in Ilford glass is found to be 18±4 percent longer than in dry C-2 emulsion.

References (6)

Lattes, Fowler, and Cuer, Proc. Phys. Soc. London 59, 883 (1947)
V. Camerini and C. M. G. Lattes, Ilford technical data (revised March 27, 1948)
A. S. Bishop, Phys. Rev. 75, 1468 (1949)
V. Camerini and C. M. G. Lattes, Ilford technical data (1947)
W. Aron (private communication)
D. Sewell (private communication)

[c1] Lattes, Fowler, and Cuer, Proc. Phys. Soc. London 59, 883 (1947)

[c2] V. Camerini and C. M. G. Lattes, Ilford technical data (revised March 27, 1948)

[c3] A. S. Bishop, Phys. Rev. 75, 1468 (1949)

[c4] V. Camerini and C. M. G. Lattes, Ilford technical data (1947)

[c5] W. Aron (private communication)

[c6] D. Sewell (private communication)

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Range-Energy Relation for Protons in Nuclear Emulsions

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References (6)

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