Beta-Gamma Angular Correlations and Shape-Factor Measurements in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Re</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>186</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span> and <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Re</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>188</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>

M. Trudel; E. E. Habib; H. Ogata

doi:10.1103/PhysRevC.1.643

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Beta-Gamma Angular Correlations and Shape-Factor Measurements in ${}^{186}{Re}$ and ${}^{188}{Re}$

M. Trudel^*, E. E. Habib, and H. Ogata

University of Windsor, Windsor, Ontario, Canada

^*Present address: Bell Laboratories, Plainfield, N.J.

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Phys. Rev. C 1, 643 – Published 1 February, 1970

DOI: https://doi.org/10.1103/PhysRevC.1.643

Abstract

The $A_{2}$ coefficients in the directional correlation between the nonunique first forbidden 0.935-MeV $β$ group and the 0.137-MeV $γ$ ray in the decay of ${}^{186}{Re}$ , and in the directional correlation between the nonunique first forbidden 1.980-MeV $β$ group and the 0.155-MeV $γ$ ray in the decay of ${}^{188}{Re}$ , have been measured as a function of energy. An investigation of perturbation caused by a magnetic hfs-type interaction yielded a negative result. Both of these $β$ spectra were found to have the "allowed" shape over the region examined.

References (15)

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[c1] T. B. Novey, M. S. Freedman, F. T. Porter, and F. Wagner, Jr., Phys. Rev. 103, 942 (1956)

[c2] L. D. Wyley, C. H. Braden, and H. Dulaney, Phys. Rev. 129, 315 (1963)

[c3] F. T. Porter, M. S. Freedman, T. B. Novey, and F. Wagner Jr., Phys. Rev. 103, 921 (1956)

[c4] L. Koertz, Phys. Rev. 95, 1358 (1954)

[c5] E. Bashandy and M. S. El-Nesr, Nuovo Cimento 24, 1169 (1963)

[c6] M. W. Johns, C. C. McMullen, I. R. Williams, and S. V. Nablo, Can. J. Phys. 34, 69 (1956)

[c7] S. Andre and P. Liaud, Nucl. Phys. A121, 337 (1968)

[c8] J. I. Fujita, Phys. Rev. 126, 202 (1962) J. Eichler, Z. Physik 171, 463 (1963)

[c9] T. R. Gerholm, R. Othaz, and M. S. El-Nesr, Arkiv Fysik 21, 253 (1962)

[c10] E. E. Habib, H. Ogata, and W. Armstrong, Can. J. Phys. 44, 1157 (1966)

[c11] E. E. HabibH. OgataW. ArmstrongNucl. Data B1, No. 2 (1966)

[c12] H. I. West, University of California Radiation Laboratory Report No. UCRL-5451, 1959 (unpublished)

[c13] S. B. Burson and E. B. Shera, Phys. Rev. 136, 1 (1964)

[c14] T. R. Gerholm, Arkiv Fysik 11, 55 (1956) private communication

[c15] T. Kotani, Phys. Rev. 114, 795 (1959)

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Beta-Gamma Angular Correlations and Shape-Factor Measurements in ${}^{186}{Re}$ and ${}^{188}{Re}$

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Beta-Gamma Angular Correlations and Shape-Factor Measurements in Re186 and Re188

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Beta-Gamma Angular Correlations and Shape-Factor Measurements in ${}^{186}{Re}$ and ${}^{188}{Re}$