On the Resonance Levels of Rhodium and Indium

J. Hornbostel; H. H. Goldsmith; J. H. Manley

doi:10.1103/PhysRev.58.18

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On the Resonance Levels of Rhodium and Indium

J. Hornbostel

H. H. Goldsmith

J. H. Manley

New York University, Washington Square College, New York, New York

Columbia University, New York, New York

University of Illinois, Urbana, Illinois

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Phys. Rev. 58, 18 – Published 1 July, 1940

DOI: https://doi.org/10.1103/PhysRev.58.18

Abstract

Self-absorption curves as well as mutual absorption curves of the In and the Rh neutron capture levels have been measured. From the experiments, the following values were obtained for the absorption coefficients for self-indication $K_{s}$ , the resonance cross sections $σ_{0}$ , the natural widths $Γ$ , the neutron width $Γ_{N}$ and the spacing $| E_{0 In} - E_{0 Rh} |$ of the two levels: $K_{s} = 11.5$ ${cm}^{2}$ /g, $σ_{0} = 4100 \times 10^{- 24}$ ${cm}^{2}$ , $Γ = 0.13$ ev, $Γ_{N} = 3.5 \times 10^{- 4}$ ev for Rh; $K_{s} = 52$ ${cm}^{2}$ /g, $σ_{0} = 23, 000 \times 10^{- 24}$ ${cm}^{2}$ , $Γ = 0.07$ ev, $Γ_{N} = 1 \times 10^{- 3}$ ev for In; $| E_{0 In} - E_{0 Rh} | = 0.15$ ev.

References (20)

H. A. Bethe, Rev. Mod. Phys. 9, 69 (1937) (Henceforth referred to as B.)
Manley, Goldsmith and Schwinger, Phys. Rev. 55, 39 (1939)
Manley, Goldsmith and Schwinger, Phys. Rev. 55, 107 (1939)
Omitted endnote
E. Amaldi and E. Fermi, Phys. Rev. 50, 899 (1936)
E. Fermi, Ricerca Scient. 72, 13 (1936)
O. R. Frisch, Kgl. Danske Vidensk. Selskab. Math. Fys. Medd. 14, No. 12 (1937)
Dr. W. J. Horvath before publication
Omitted endnote
Omitted endnote
Omitted endnote
Powers, Fink and Pegram, Phys. Rev. 49, 650 (1936)
Omitted endnote
R. Jaeckel, Zeits. f. Physik 107, 669 (1937)
H. A. Bethe and G. Placzek, Phys. Rev. 51, 450 (1937)
W. E. Lamb, Phys. Rev. 55, 190 (1939)
Omitted endnote
H. H. Goldsmith and J. H. Manley, Phys. Rev. 51, 382 (1937)
H. H. Goldsmith and F. Rasetti, Phys. Rev. 50, 328 (1936)
J. Hornbostel and F. A. Valente, Phys. Rev. 55, 108 (1939)

[c1] H. A. Bethe, Rev. Mod. Phys. 9, 69 (1937) (Henceforth referred to as B.)

[c2] Manley, Goldsmith and Schwinger, Phys. Rev. 55, 39 (1939)

[c3] Manley, Goldsmith and Schwinger, Phys. Rev. 55, 107 (1939)

[c4] Omitted endnote

[c5] E. Amaldi and E. Fermi, Phys. Rev. 50, 899 (1936)

[c6] E. Fermi, Ricerca Scient. 72, 13 (1936)

[c7] O. R. Frisch, Kgl. Danske Vidensk. Selskab. Math. Fys. Medd. 14, No. 12 (1937)

[c8] Dr. W. J. Horvath before publication

[c9] Omitted endnote

[c10] Omitted endnote

[c11] Omitted endnote

[c12] Powers, Fink and Pegram, Phys. Rev. 49, 650 (1936)

[c13] Omitted endnote

[c14] R. Jaeckel, Zeits. f. Physik 107, 669 (1937)

[c15] H. A. Bethe and G. Placzek, Phys. Rev. 51, 450 (1937)

[c16] W. E. Lamb, Phys. Rev. 55, 190 (1939)

[c17] Omitted endnote

[c18] H. H. Goldsmith and J. H. Manley, Phys. Rev. 51, 382 (1937)

[c19] H. H. Goldsmith and F. Rasetti, Phys. Rev. 50, 328 (1936)

[c20] J. Hornbostel and F. A. Valente, Phys. Rev. 55, 108 (1939)

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On the Resonance Levels of Rhodium and Indium

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References (20)

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