DOI: 10.1071/ch9570112. The range-energy relation for α-recoil atoms

The range-energy relation for α-recoil atoms

10.1071/ch9570112

Crossref journal-article

CSIRO Publishing

Australian Journal of Chemistry (67)

Abstract

The ranges of ThC" α-recoil atoms have been redetermined at pressures of hydrogen, argon, and air from 10-3 to 30 mm, by collection on a silver plate mounted 3 mm from a platinum source plate. The collector was maintained at a positive potential of 300 V to prevent collection of ions which migrate by diffusion. A similar method is used for RaA, with a (gaseous) radon source. Previous work is critically discussed in terms of the corrections necessary to allow for (i) geometrical features, and (ii) range straggling. Values of the mean range calculated both from previous work and from the present work are plotted against the recoil energy. Both the Fl�gge-Zimens recoil-range equation and the stopping power equation are shown to be unsatisfactory, and to rest on arguments which are subject to serious objection on both experimental and theoretical grounds. The recent Bohr treatment of collisions between recoil atoms and gaseous atoms is In much better agreement with the unobjectionable experimental data available.

Bibliography

Baulch, D., & Duncan, J. (1957). The range-energy relation for Î±-recoil atoms. Australian Journal of Chemistry, 10(2), 112.

Authors 2

DL Baulch (first)
JF Duncan (additional)

References 0 Referenced 14

None

Dates

Type	When
Created	14 years, 11 months ago (Sept. 1, 2010, 6:32 p.m.)
Deposited	6 years, 9 months ago (Nov. 20, 2018, 7:31 p.m.)
Indexed	1 month, 2 weeks ago (July 2, 2025, 11:41 a.m.)
Issued	68 years, 7 months ago (Jan. 1, 1957)
Published	68 years, 7 months ago (Jan. 1, 1957)
Published Print	68 years, 7 months ago (Jan. 1, 1957)

Funders 0

None

BibTeX

@article{Baulch_1957, title={The range-energy relation for α-recoil atoms}, volume={10}, ISSN={0004-9425}, url={http://dx.doi.org/10.1071/ch9570112}, DOI={10.1071/ch9570112}, number={2}, journal={Australian Journal of Chemistry}, publisher={CSIRO Publishing}, author={Baulch, DL and Duncan, JF}, year={1957}, pages={112} }

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  "abstract": "<jats:p>The ranges of ThC\" \u03b1-recoil\natoms have been redetermined at pressures of hydrogen, argon, and air from 10-3\nto 30 mm, by collection on a silver plate mounted 3 mm from a platinum source\nplate. The collector was maintained at a positive potential of 300 V to prevent\ncollection of ions which migrate by diffusion. A similar method is used for\nRaA, with a (gaseous) radon source. \n\nPrevious work is critically discussed in\nterms of the corrections necessary to allow for (i) geometrical features, and\n(ii) range straggling. Values of the mean range calculated both from previous\nwork and from the present work are plotted against the recoil energy. Both the\nFl\ufffdgge-Zimens recoil-range equation and the stopping power equation are shown\nto be unsatisfactory, and to rest on arguments which are subject to serious\nobjection on both experimental and theoretical grounds. The recent Bohr\ntreatment of collisions between recoil atoms and gaseous atoms is In much\nbetter agreement with the unobjectionable experimental data available. \n\n\n\n\n\n</jats:p>",
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