Wave-Lengths of the Tungsten <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>K</mi></math></span> Series Spectrum with the Double Spectrometer

John H. Williams

doi:10.1103/PhysRev.40.791

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Wave-Lengths of the Tungsten $K$ Series Spectrum with the Double Spectrometer

John H. Williams^*

Ryerson Physical Laboratory, University of Chicago.

^*National Research Fellow.

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Phys. Rev. 40, 791 – Published 1 June, 1932

DOI: https://doi.org/10.1103/PhysRev.40.791

Abstract

With a Société Genovoise double spectrometer and the method devised by Compton the $K$ series wave-lengths of tungsten were determined from the diffraction angles in the first order from calcite. The results, corrected for slit heights and reduced to 18°C are: The wave-lengths are calculated assuming a grating constant $d = 3.02904 A$ at 18°C. The separation of $α_{1}$ , $α_{2}$ agrees exactly with the energy difference $L_{II} - L_{III}$ . The $β_{1}$ , $β_{3}$ lines are easily resolved in the first order and give a separation of 0.78 x. u. agreeing closely with the energy difference $M_{II} - M_{III}$ . Some remarks are made on the measurement of the natural widths of W $K$ series lines.

References (18)

M. Siegbahn, Spektroskopie der Roentgenstrahlen, Berlin, Julius Springer, 1931
B. R. Stephenson and J. M. Cork, Phys. Rev. 27, 138 (1926)
H. Seeman, Zeits. f. Physik 73, 87 (1931)
J. M. Cork, Phys. Rev. 25, 197 (1925), [2]
M. Siegbahn, Phil. Mag. 38, 639 (1919)
G. Réchou, C. R. 180, 1107 (1925)
A. H. Compton, R. S. I. 2, 365 (1931)
S. K. Allison and J. H. Williams, Phys. Rev. 35, 149 (1930)
J. H. Williams, Phys. Rev. in press
E. Rutherford and Da Andrade, Phil. Mag. 28, 263 (1914)
S. Idei, Sci. Rep. Tohoku Imp. Univ. 19, 560 (1930)
S. K. Allison and J. H. Williams, Phys. Rev. 37, 1476 (1930)
M. Schwarzschild, Phys. Rev. 32, 162 (1928)
J. H. Williams, Phys. Rev. 37, 1431 (1931)
R. C. Spencer, Phys. Rev. 38, 630 (1931)
A. Hoyt, Bull. Am. Phys. Soc. 7, 11 (1932)
S. K. Allison, Phys. Rev. in press
F. K. Richtmeyer, Washington Meeting Am. Phys. Soc. (1931)

[c1] M. Siegbahn, Spektroskopie der Roentgenstrahlen, Berlin, Julius Springer, 1931

[c2] B. R. Stephenson and J. M. Cork, Phys. Rev. 27, 138 (1926)

[c3] H. Seeman, Zeits. f. Physik 73, 87 (1931)

[c4] J. M. Cork, Phys. Rev. 25, 197 (1925), [2]

[c5] M. Siegbahn, Phil. Mag. 38, 639 (1919)

[c6] G. Réchou, C. R. 180, 1107 (1925)

[c7] A. H. Compton, R. S. I. 2, 365 (1931)

[c8] S. K. Allison and J. H. Williams, Phys. Rev. 35, 149 (1930)

[c9] J. H. Williams, Phys. Rev. in press

[c10] E. Rutherford and Da Andrade, Phil. Mag. 28, 263 (1914)

[c11] S. Idei, Sci. Rep. Tohoku Imp. Univ. 19, 560 (1930)

[c12] S. K. Allison and J. H. Williams, Phys. Rev. 37, 1476 (1930)

[c13] M. Schwarzschild, Phys. Rev. 32, 162 (1928)

[c14] J. H. Williams, Phys. Rev. 37, 1431 (1931)

[c15] R. C. Spencer, Phys. Rev. 38, 630 (1931)

[c16] A. Hoyt, Bull. Am. Phys. Soc. 7, 11 (1932)

[c17] S. K. Allison, Phys. Rev. in press

[c18] F. K. Richtmeyer, Washington Meeting Am. Phys. Soc. (1931)

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Wave-Lengths of the Tungsten $K$ Series Spectrum with the Double Spectrometer

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Wave-Lengths of the Tungsten K Series Spectrum with the Double Spectrometer

Abstract

References (18)

Wave-Lengths of the Tungsten $K$ Series Spectrum with the Double Spectrometer