The Nuclear Spin of Deuterium

G. M. Murphy; Helen Johnston

doi:10.1103/PhysRev.46.95

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The Nuclear Spin of Deuterium

G. M. Murphy and Helen Johnston

Department of Chemistry, Columbia University

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Phys. Rev. 46, 95 – Published 15 July, 1934

DOI: https://doi.org/10.1103/PhysRev.46.95

Abstract

By the methods of photographic photometry, the alternating intensities in emission of the $Δ v = 0$ sequence of the Fulcher bands of deuterium have been investigated in order to determine the nuclear spin. The alternation of intensities was determined for the $P$ , $Q$ and $R$ branches of each of the 5 bands studied. The average value of $\frac{g_{s}}{g_{a}}$ obtained from 4 plates is 1.97±0.03. This value agrees best with the theoretical ratio of 2 and a consequent nuclear spin of 1. Since the even rotational levels are more intense than the odd levels, the nucleus obeys Bose-Einstein statistics.

References (17)

Murphy and Johnston, Phys. Rev. 45, 550 (1934)
Dieke and Blue, Nature 133, 611 (1934)
Kapuscinski and Eymers, Proc. Roy. Soc. A122, 58 (1929)
Childs and Mecke, Zeits. f. Physik 64, 162 (1930)
Dennison, Proc. Roy. Soc. A115, 483 (1927)
Breit and Rabi, Phys. Rev. 38, 2082 (1931)
Sexl, Naturwiss. 22, 205 (1934)
Lewis and Ashley, Phys. Rev. 43, 837 (1933)
Heisenberg, Zeits. f. Physik 77, 1 (1932)
Raether, Naturwiss. 22, 151 (1934)
Farkas, Farkas and Harteck, Proc. Roy. Soc. A144, 481 (1934)
Harrison, J.O.S.A. and R.S.I. 18, 492 (1929)
Murphy and Urey, Phys. Rev. 41, 141 (1932)
Joffe, Phys. Rev. 45, 468 (1934)
Mulliken, Rev. Mod. Phys. 3, 100 (1931)
Hönl and London, Zeits. f. Physik 33, 803 (1925)
Heisenberg, Zeits. f. Physik 41, 239 (1927) Hund, 42, 93 (1927)

[c1] Murphy and Johnston, Phys. Rev. 45, 550 (1934)

[c2] Dieke and Blue, Nature 133, 611 (1934)

[c3] Kapuscinski and Eymers, Proc. Roy. Soc. A122, 58 (1929)

[c4] Childs and Mecke, Zeits. f. Physik 64, 162 (1930)

[c5] Dennison, Proc. Roy. Soc. A115, 483 (1927)

[c6] Breit and Rabi, Phys. Rev. 38, 2082 (1931)

[c7] Sexl, Naturwiss. 22, 205 (1934)

[c8] Lewis and Ashley, Phys. Rev. 43, 837 (1933)

[c9] Heisenberg, Zeits. f. Physik 77, 1 (1932)

[c10] Raether, Naturwiss. 22, 151 (1934)

[c11] Farkas, Farkas and Harteck, Proc. Roy. Soc. A144, 481 (1934)

[c12] Harrison, J.O.S.A. and R.S.I. 18, 492 (1929)

[c13] Murphy and Urey, Phys. Rev. 41, 141 (1932)

[c14] Joffe, Phys. Rev. 45, 468 (1934)

[c15] Mulliken, Rev. Mod. Phys. 3, 100 (1931)

[c16] Hönl and London, Zeits. f. Physik 33, 803 (1925)

[c17] Heisenberg, Zeits. f. Physik 41, 239 (1927) Hund, 42, 93 (1927)

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The Nuclear Spin of Deuterium

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