High Energy States of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msubsup><mrow><mi mathvariant="normal">N</mi></mrow><mrow><mn>2</mn></mrow><mrow><mo>+</mo></mrow></msubsup></mrow></math></span> and <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi mathvariant="normal">N</mi></mrow><mrow><mn>2</mn></mrow></msub></mrow></math></span>

R. B. Setlow

doi:10.1103/PhysRev.74.153

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High Energy States of $N_{2}^{+}$ and $N_{2}$

R. B. Setlow

Sloane Physics Laboratory, Yale University, New Haven, Connecticut

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Phys. Rev. 74, 153 – Published 15 July, 1948

DOI: https://doi.org/10.1103/PhysRev.74.153

Abstract

The rotational structure of the $C - X$ bands of $N_{2}^{+}$ has been analyzed. A rotational perturbation appears in the $v = 0$ level of the $C$ state. Evidence is presented against postulating a vibrational perturbation in the $v = 0$ , $v = 1$ levels of this state. Construction of potential curves using the new rotational data shows that previous assignments of vibrational levels are incorrect. A new vibrational numbering is proposed, which is in conformity with the Franck-Condon principle. The use of the Franck-Condon principle in predicting intensities in collisions of the second kind has been verified. Measurement of the rotational structure of the $c - X$ bands of $N_{2}$ shows that the $c$ state is the $v = 1$ level of the $b^{'}$ state. The vibrational analysis confirms this identification, as does the intensity distribution. Perturbations between states $p^{'}$ and $b^{'}$ are discussed. Evidence is cited to show that the $c$ state of Worley is identical with the $p^{'}$ state of Gaydon.

References (16)

Part of a dissertation presented to the faculty of the Graduate School of Yale University in candidacy for the degree of Doctor of Philosophy
R. T. Birge and J. J. Hopfield, Astrophys. J. 68, 257 (1928)
W. W. Watson and P. G. Koontz, Phys. Rev. 46, 32 (1934)
T. Takamine, T. Suga, and Y. Tanaka, Sci. Pap. I.P.C.R. 36, 437 (1939)
R. E. Meyerott, Phys. Rev. 71, 553 (1947)
D. Coster and H. H. Brons, Zeits. f. Physik 73, 747 (1932)
R. E. Worley, Phys. Rev. 64, 207 (1943)
W. M. Tschulanowsky, Bull. Acad. Sci. U.R.S.S. 1, 1313 (1935)
J. C. Boyce, Rev. Mod. Phys. 13, 1 (1947)
E. T. S. Appleyard, Phys. Rev. 41, 254 (1932)
F. Rasetti, Phys. Rev. 34, 367 (1929)
J. W. T. Spinks, Can. J. Research 20, 1 (1942)
H. M. Hulbert and J. O. Hirschfelder, J. Chem. Phys. 9, 61 (1941)
G. Herzberg, Phys. Rev. 69, 362 (1946)
A. G. Gaydon, Proc. Roy. Soc. A182, 286 (1944)
J. Janin, Ann. d. Physik 1, 538 (1946)

[c1] Part of a dissertation presented to the faculty of the Graduate School of Yale University in candidacy for the degree of Doctor of Philosophy

[c2] R. T. Birge and J. J. Hopfield, Astrophys. J. 68, 257 (1928)

[c3] W. W. Watson and P. G. Koontz, Phys. Rev. 46, 32 (1934)

[c4] T. Takamine, T. Suga, and Y. Tanaka, Sci. Pap. I.P.C.R. 36, 437 (1939)

[c5] R. E. Meyerott, Phys. Rev. 71, 553 (1947)

[c6] D. Coster and H. H. Brons, Zeits. f. Physik 73, 747 (1932)

[c7] R. E. Worley, Phys. Rev. 64, 207 (1943)

[c8] W. M. Tschulanowsky, Bull. Acad. Sci. U.R.S.S. 1, 1313 (1935)

[c9] J. C. Boyce, Rev. Mod. Phys. 13, 1 (1947)

[c10] E. T. S. Appleyard, Phys. Rev. 41, 254 (1932)

[c11] F. Rasetti, Phys. Rev. 34, 367 (1929)

[c12] J. W. T. Spinks, Can. J. Research 20, 1 (1942)

[c13] H. M. Hulbert and J. O. Hirschfelder, J. Chem. Phys. 9, 61 (1941)

[c14] G. Herzberg, Phys. Rev. 69, 362 (1946)

[c15] A. G. Gaydon, Proc. Roy. Soc. A182, 286 (1944)

[c16] J. Janin, Ann. d. Physik 1, 538 (1946)

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High Energy States of $N_{2}^{+}$ and $N_{2}$

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High Energy States of N2+ and N2

Abstract

References (16)

High Energy States of $N_{2}^{+}$ and $N_{2}$