Ionization defect for alpha particles in various gases

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dc.contributor.author Curtis, David
dc.contributor.author Miller, Glenn
dc.contributor.department Ames Laboratory
dc.date 2018-02-13T17:11:43.000
dc.date.accessioned 2020-06-29T23:18:25Z
dc.date.available 2020-06-29T23:18:25Z
dc.date.embargo 2013-11-10
dc.date.issued 1955-08-01
dc.description.abstract <p>The ionization produced by the Li<sup>7*</sup> and beta-particles from the reaction B<sup>10</sup>(n, beta)Li<sup>7*</sup> as they were stopped in argon, argon-nitrogen, and argon-carbon dioxide gas mixtures was measured. A gridded parallel-plate ionization chamber employing electron collection was used. Plutonium alpha particles were used for calibration and the ionization electron pulses were amplified and sorted with an electronic pulse height analyzer. The neutron source was a 300 kev linear positive ion accelerator utilizing the D-D reaction. The neutrons were thermalized by blocks of paraffin stacked around the chamber. The thin boron film was made by evaporating boron enriched to 95 percent with B<sup>10</sup> onto an aluminum backing. The gas mixtures were purified by continuous circulation over hot calcium-magnesium alloy.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/ameslab_iscreports/115/
dc.identifier.articleid 1110
dc.identifier.contextkey 4808781
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath ameslab_iscreports/115
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/6709
dc.language.iso en
dc.relation.ispartofseries ISC-669
dc.source.bitstream archive/lib.dr.iastate.edu/ameslab_iscreports/115/17_01_00_05_AmesLab_ISC_0669_o.pdf|||Fri Jan 14 18:51:22 UTC 2022
dc.subject.keywords Ames Laboratory
dc.title Ionization defect for alpha particles in various gases
dc.type article
dc.type.genre report
dspace.entity.type Publication
relation.isOrgUnitOfPublication 25913818-6714-4be5-89a6-f70c8facdf7e
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