Abstract

The pressure broadening effect of argon, carbon dioxide, and hydrogen chloride on the ν<sub>3</sub> band of HCN has been measured. The broadening effects of the different gases are found to be in qualitative agreement with the theory. Of particular importance is the observation of an oscillatory behavior in the <i>J</i> dependence of the line half-width for HCI+HCN. This oscillatory behavior is explained as due to a dipole-dipole interaction for which the large difference between the rotational levels of perturber and absorber molecules causes some levels to be in resonance while others are not.

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  1. E. K. Plyler and L. R. Blaine, J. Res, Natl. Bur, Std. 62, 7 (1959).
  2. W. S. Benedict, R. Herman, G. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).
  3. M. T. Pigott and D. H. Rank, J. Chem. Phys. 26, 384 (1957).
  4. J. R. Izatt, Progress Report, Johns Hopkins University, Laboratory of Astrophysics and Physical Meteorology (1960).
  5. D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 51, 929 (1961).
  6. E. K. Plyler and R. J. Thibault, J. Res. Natl. Bur. Std. (U. S.) 66A, 435 (1962).
  7. P. W. Anderson, Phys. Rev. 76, 647 (1949); 80, 511 (1950).
  8. W. V. Smith, H. A. Lackner, and A. B. Volkov, J. Chem. Phys. 23, 389 (1955).
  9. C. J. Tsao and B. Curnutte, J. Quant. Spectry. Radiative Transfer 2, 41 (1962).
  10. W. S. Benedict and R. Herman, J. Quant. Spectry. Radiative Transfer (to be published).
  11. W. S. Benedict (private communication).

Anderson, P. W.

P. W. Anderson, Phys. Rev. 76, 647 (1949); 80, 511 (1950).

Benedict, W. S.

W. S. Benedict and R. Herman, J. Quant. Spectry. Radiative Transfer (to be published).

W. S. Benedict (private communication).

W. S. Benedict, R. Herman, G. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

Blaine, L. R.

E. K. Plyler and L. R. Blaine, J. Res, Natl. Bur, Std. 62, 7 (1959).

Curnutte, B.

C. J. Tsao and B. Curnutte, J. Quant. Spectry. Radiative Transfer 2, 41 (1962).

Eastman, D. P.

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 51, 929 (1961).

Herman, R.

W. S. Benedict and R. Herman, J. Quant. Spectry. Radiative Transfer (to be published).

W. S. Benedict, R. Herman, G. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

Izatt, J. R.

J. R. Izatt, Progress Report, Johns Hopkins University, Laboratory of Astrophysics and Physical Meteorology (1960).

Lackner, H. A.

W. V. Smith, H. A. Lackner, and A. B. Volkov, J. Chem. Phys. 23, 389 (1955).

Moore, G.

W. S. Benedict, R. Herman, G. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

Pigott, M. T.

M. T. Pigott and D. H. Rank, J. Chem. Phys. 26, 384 (1957).

Plyler, E. K.

E. K. Plyler and R. J. Thibault, J. Res. Natl. Bur. Std. (U. S.) 66A, 435 (1962).

E. K. Plyler and L. R. Blaine, J. Res, Natl. Bur, Std. 62, 7 (1959).

Rank, D. H.

M. T. Pigott and D. H. Rank, J. Chem. Phys. 26, 384 (1957).

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 51, 929 (1961).

Rao, B. S.

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 51, 929 (1961).

Silverman, S.

W. S. Benedict, R. Herman, G. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

Smith, W. V.

W. V. Smith, H. A. Lackner, and A. B. Volkov, J. Chem. Phys. 23, 389 (1955).

Thibault, R. J.

E. K. Plyler and R. J. Thibault, J. Res. Natl. Bur. Std. (U. S.) 66A, 435 (1962).

Tsao, C. J.

C. J. Tsao and B. Curnutte, J. Quant. Spectry. Radiative Transfer 2, 41 (1962).

Volkov, A. B.

W. V. Smith, H. A. Lackner, and A. B. Volkov, J. Chem. Phys. 23, 389 (1955).

Wiggins, T. A.

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 51, 929 (1961).

Other (11)

E. K. Plyler and L. R. Blaine, J. Res, Natl. Bur, Std. 62, 7 (1959).

W. S. Benedict, R. Herman, G. Moore, and S. Silverman, Can. J. Phys. 34, 850 (1956).

M. T. Pigott and D. H. Rank, J. Chem. Phys. 26, 384 (1957).

J. R. Izatt, Progress Report, Johns Hopkins University, Laboratory of Astrophysics and Physical Meteorology (1960).

D. H. Rank, D. P. Eastman, B. S. Rao, and T. A. Wiggins, J. Opt. Soc. Am. 51, 929 (1961).

E. K. Plyler and R. J. Thibault, J. Res. Natl. Bur. Std. (U. S.) 66A, 435 (1962).

P. W. Anderson, Phys. Rev. 76, 647 (1949); 80, 511 (1950).

W. V. Smith, H. A. Lackner, and A. B. Volkov, J. Chem. Phys. 23, 389 (1955).

C. J. Tsao and B. Curnutte, J. Quant. Spectry. Radiative Transfer 2, 41 (1962).

W. S. Benedict and R. Herman, J. Quant. Spectry. Radiative Transfer (to be published).

W. S. Benedict (private communication).

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