The Parameters for the Slow Neutron Resonance in Rhodium

V. L. Sailor

doi:10.1103/PhysRev.91.53

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The Parameters for the Slow Neutron Resonance in Rhodium

V. L. Sailor

Brookhaven National Laboratory, Upton, New York

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Phys. Rev. 91, 53 – Published 1 July, 1953

DOI: https://doi.org/10.1103/PhysRev.91.53

Abstract

Measurements of the 1.26-ev resonance in rhodium have been made with a crystal spectrometer and the following values were obtained for the parameters: $E_{0} = 1.260 \pm 0.004$ ev, $σ_{0} = (5000 \pm 200) \times 10^{- 24}$ ${cm}^{2}$ , $Γ = 0.156 \pm 0.005$ ev, $g Γ_{n} = (3.8 \pm 0.2) \times 10^{- 4}$ ev, and $σ_{fa} = (5.5 \pm 1.0) \times 10^{- 24}$ ${cm}^{2}$ . The shape of the resonance agrees to very high accuracy with the one-level Breit-Wigner formula. The procedure is discussed for analyzing experimental data in cases where small corrections are required for instrument resolution and Doppler broadening.

References (16)

Borst, Ulrich, Osborne, and Hasbrouck, Phys. Rev. 70, 557 (1946)
W. J. Sturm, Phys. Rev. 71, 757 (1947)
R. R. Meijer, Phys. Rev. 75, 773 (1949)
L. B. Borst and V. L. Sailor, Rev. Sci. Instr. 24, 141 (1953)
W. W. Havens, Jr., and J. Rainwater, Phys. Rev. 70, 154 (1946)
E. Melkonian, Phys. Rev. 90, 362 (1953)
G. v. Dardel and R. Persson, Nature 170, 1117 (1952)
E. Melkonian, Bull. Am. Phys. Soc. 28, No. 3, 26 (1953)
B. D. McDaniel, Phys. Rev. 70, 832 (1946)
H. A. Bethe and G. Placzek, Phys. Rev. 51, 450 (1937) H. A. Bethe, Revs. Modern Phys. 9, 69 (1937), p. 140
W. E. Lamb, Jr., Phys. Rev. 55, 190 (1939)
M. Born, Optik (Verlag Julius Springer, Berlin, 1933), p. 486
Omitted endnote
H. Kuhn and G. K. Woodgate, Nature 166, 906 (1950)
B. N. Brockhouse, Can. J. Phys. 31, 432 (1953)
Harris, Muehlhause, and Thomas, Phys. Rev. 79, 11 (1950)

[c1] Borst, Ulrich, Osborne, and Hasbrouck, Phys. Rev. 70, 557 (1946)

[c2] W. J. Sturm, Phys. Rev. 71, 757 (1947)

[c3] R. R. Meijer, Phys. Rev. 75, 773 (1949)

[c4] L. B. Borst and V. L. Sailor, Rev. Sci. Instr. 24, 141 (1953)

[c5] W. W. Havens, Jr., and J. Rainwater, Phys. Rev. 70, 154 (1946)

[c6] E. Melkonian, Phys. Rev. 90, 362 (1953)

[c7] G. v. Dardel and R. Persson, Nature 170, 1117 (1952)

[c8] E. Melkonian, Bull. Am. Phys. Soc. 28, No. 3, 26 (1953)

[c9] B. D. McDaniel, Phys. Rev. 70, 832 (1946)

[c10] H. A. Bethe and G. Placzek, Phys. Rev. 51, 450 (1937) H. A. Bethe, Revs. Modern Phys. 9, 69 (1937), p. 140

[c11] W. E. Lamb, Jr., Phys. Rev. 55, 190 (1939)

[c12] M. Born, Optik (Verlag Julius Springer, Berlin, 1933), p. 486

[c13] Omitted endnote

[c14] H. Kuhn and G. K. Woodgate, Nature 166, 906 (1950)

[c15] B. N. Brockhouse, Can. J. Phys. 31, 432 (1953)

[c16] Harris, Muehlhause, and Thomas, Phys. Rev. 79, 11 (1950)

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The Parameters for the Slow Neutron Resonance in Rhodium

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