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Correction factors for γ-ray relative intensities in the 66Ga radioisotope

Publication ,  Journal Article
Schmid, GJ; Chasteler, RM; Laymon, CM; Weller, HR; Moore, EF; Bybee, CR; Drake, JM; Tilley, DR; Vavrina, G; Wallace, PM
Published in: Nuclear Physics A
September 16, 1996

We present here strong evidence that recently published values for the relative intensities of γ-ray lines in the 66Ga(β+ + EC)66Zn decay are incorrect at the higher energies (∼ 30% too low at 4.8 MeV). In particular, we find that our current results are consistent with a set of correction factors which were first suggested 20 years ago, but have gone largely ignored until now. Our validation of these little known correction factors will have bearing on experiments which use the 66Ga radioisotope to extrapolate absolute detector efficiencies to higher energies. In particular, we discuss the conclusions of a recent D(p, γ)3He experiment which will be strongly affected by our current results. The astrophysical S-factor data derived from this D(p, γ)3He experiment are now seen to be systematically too low by ∼ 30%.

Duke Scholars

Published In

Nuclear Physics A

DOI

ISSN

0375-9474

Publication Date

September 16, 1996

Volume

607

Issue

2

Start / End Page

139 / 151

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

Citation

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Schmid, G. J., Chasteler, R. M., Laymon, C. M., Weller, H. R., Moore, E. F., Bybee, C. R., … Wallace, P. M. (1996). Correction factors for γ-ray relative intensities in the 66Ga radioisotope. Nuclear Physics A, 607(2), 139–151. https://doi.org/10.1016/0375-9474(96)00214-X
Schmid, G. J., R. M. Chasteler, C. M. Laymon, H. R. Weller, E. F. Moore, C. R. Bybee, J. M. Drake, D. R. Tilley, G. Vavrina, and P. M. Wallace. “Correction factors for γ-ray relative intensities in the 66Ga radioisotope.” Nuclear Physics A 607, no. 2 (September 16, 1996): 139–51. https://doi.org/10.1016/0375-9474(96)00214-X.
Schmid GJ, Chasteler RM, Laymon CM, Weller HR, Moore EF, Bybee CR, et al. Correction factors for γ-ray relative intensities in the 66Ga radioisotope. Nuclear Physics A. 1996 Sep 16;607(2):139–51.
Schmid, G. J., et al. “Correction factors for γ-ray relative intensities in the 66Ga radioisotope.” Nuclear Physics A, vol. 607, no. 2, Sept. 1996, pp. 139–51. Scopus, doi:10.1016/0375-9474(96)00214-X.
Schmid GJ, Chasteler RM, Laymon CM, Weller HR, Moore EF, Bybee CR, Drake JM, Tilley DR, Vavrina G, Wallace PM. Correction factors for γ-ray relative intensities in the 66Ga radioisotope. Nuclear Physics A. 1996 Sep 16;607(2):139–151.
Journal cover image

Published In

Nuclear Physics A

DOI

ISSN

0375-9474

Publication Date

September 16, 1996

Volume

607

Issue

2

Start / End Page

139 / 151

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences