Literaturnachweis - Detailanzeige
| Autor/in | Andrews, D. G. H. |
|---|---|
| Titel | A Novel Experiment to Investigate the Attenuation of Alpha Particles in Air |
| Quelle | In: European Journal of Physics, 29 (2008) 5, S.1077-1083 (7 Seiten)
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0143-0807 |
| DOI | 10.1088/0143-0807/29/5/019 |
| Schlagwörter | Science Experiments; Equations (Mathematics); Science Instruction; Molecular Structure; Physics; Secondary School Science; College Science; Climate |
| Abstract | A simple student experiment investigating dependence on air pressure of the attenuation of alpha particles in air is described. An equation giving the pressure needed to absorb all alpha particles of a given energy is derived from the Bethe-Bloch formula. Results are presented for the attenuation of alpha particles from americium 241 and radium 226. The experimental results are in close agreement with the theoretical predictions. (Contains 4 figures.) (As Provided). |
| Anmerkungen | Institute of Physics Publishing. The Public Ledger Building Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail: info@ioppubusa.com; Web site: http://www.iop.org/EJ/journal/EJP |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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