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Inner bremsstrahlung accompanying β decay of Pm 147

Inner bremsstrahlung accompanying β decay of Pm 147 The inner bremsstrahlung spectrum associated with the nonunique first-forbidden β decay of Pm 147 was measured employing the magnetic deflection method with a 4.5 × 5.1 cm 2 NaI(Tl) scintillation spectrometer in the energy region 30 – 200 keV. The contribution due to the 121 keV source gamma ray line was subtracted by normalizing its peak with that of the 122 keV Co 57 gamma ray pulse height distribution recorded in the same experimental setup. The raw spectrum was unfolded following Liden and Starfelt and compared with theoretical spectral distributions. The measured spectral distribution does not match any of the theories in any part of the investigated energy region. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review C American Physical Society (APS)

Inner bremsstrahlung accompanying β decay of Pm 147

Physical Review C , Volume 32 (3) – Sep 1, 1985
4 pages

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1985 The American Physical Society
ISSN
1089-490X
DOI
10.1103/PhysRevC.32.1010
Publisher site
See Article on Publisher Site

Abstract

The inner bremsstrahlung spectrum associated with the nonunique first-forbidden β decay of Pm 147 was measured employing the magnetic deflection method with a 4.5 × 5.1 cm 2 NaI(Tl) scintillation spectrometer in the energy region 30 – 200 keV. The contribution due to the 121 keV source gamma ray line was subtracted by normalizing its peak with that of the 122 keV Co 57 gamma ray pulse height distribution recorded in the same experimental setup. The raw spectrum was unfolded following Liden and Starfelt and compared with theoretical spectral distributions. The measured spectral distribution does not match any of the theories in any part of the investigated energy region.

Journal

Physical Review CAmerican Physical Society (APS)

Published: Sep 1, 1985

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