SMALL-ORDER SHAPE FACTORS IN In$sup 114$, P$sup 32$, AND Y$sup 9$$sup 0$

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The beta spectra of In/sup 114/, P/sup 32/, and Y/sup 90/ were stud ied closely in an intermediate-image beta-ray spectrometer and compared to theoretical predictions in terms of a linear shape factor of the form (1 + aW). The values obtained for a were s for P/sup 32/, and (-0.0047 plus or minus 0.0008)/mc/sup 2/ for Y/sup 90/, all for electron kinetic energies from about 200 kev up to near the maximum beta energies. Tests were made to give indications for spectrometer fidelity. Because of the linearity of the shape-factor plots and the similarity in energy range, the comparative results ... continued below

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Pages: 172-81

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Nichols, R.T.; McAdams, R.E. & Jensen, E.N. April 1, 1961.

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Description

The beta spectra of In/sup 114/, P/sup 32/, and Y/sup 90/ were stud ied closely in an intermediate-image beta-ray spectrometer and compared to theoretical predictions in terms of a linear shape factor of the form (1 + aW). The values obtained for a were s for P/sup 32/, and (-0.0047 plus or minus 0.0008)/mc/sup 2/ for Y/sup 90/, all for electron kinetic energies from about 200 kev up to near the maximum beta energies. Tests were made to give indications for spectrometer fidelity. Because of the linearity of the shape-factor plots and the similarity in energy range, the comparative results from In/sup 114/, P/ sup 32/, and Y/sup 90/ are tak en as a definite indication that for at least two of these activities the shape factors have nonzero slopes, irrespective of questions of instrumental fidelity. (auth)

Physical Description

Pages: 172-81

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  • Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D; Journal Volume: Vol: 122

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  • Report No.: IS-204
  • Grant Number: None
  • DOI: 10.1103/PhysRev.122.172 | External Link
  • Office of Scientific & Technical Information Report Number: 4049859
  • Archival Resource Key: ark:/67531/metadc864893

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • April 1, 1961

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  • Sept. 16, 2016, 12:32 a.m.

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  • Oct. 26, 2017, 7:48 p.m.

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Nichols, R.T.; McAdams, R.E. & Jensen, E.N. SMALL-ORDER SHAPE FACTORS IN In$sup 114$, P$sup 32$, AND Y$sup 9$$sup 0$, article, April 1, 1961; Ames, Iowa. (digital.library.unt.edu/ark:/67531/metadc864893/: accessed November 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.