Abstract

An evacuated high-resolution Czerny-Turner spectrograph, which is described in this paper, has been used to determine the strengths <i>S</i> and self-broadening parameters γ<sup>0</sup> for lines in the <i>R</i> branch of the ν<sub>3</sub> fundamental of <sup>12</sup>C<sup>16</sup>O<sub>2</sub> at 298 and at 207 K. The values of γ<sup>0</sup>. at 207 K are greater than those to be expected on the basis of a fixed collision cross section σ. The approximate ratio of the measured cross sections for a given line is σ(<i>T</i><sub>1</sub>)/σ(<i>T</i><sub>2</sub>) = <i>T</i><sub>2</sub>/<i>T</i><sub>1</sub>; although this relation holds for the average of all lines measured, the cross-section ratio is greater than the temperature ratio for lines near the band center and less than the temperature ratio for lines in the wings of the band.

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  1. R. P. Madden, J. Chem. Phys. 35, 2083 (1961).
  2. D. E. Burch, D. A. Gryvnak, and R. R. Patty, J. Opt. Soc. Am. 58, 335 (1968).
  3. R. Herman and R. Wallis, J. Chem. Phys. 23, 637 (1955).
  4. H. Goldring and W. Benesch, Can. J. Phys. 40, 1801 (1962).
  5. G. M. Hoover and D. Williams, J. Opt. Soc. Am. 59, 28 (1969).
  6. R. Ely and T. K. McCubbin, Jr., Appl. Opt. 9, 1230 (1970).
  7. W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Astrophys. J. 135, 277 (1962).
  8. J. R. Nielsen, V. Thornton, and E. B. Dale, Rev. Mod. Phys. 16, 307 (1944).
  9. H. J. Babrov, J. Opt. Soc. Am. 51, 171 (1961).
  10. J. N. Howard, D. E. Burch, and D. Williams, J. Opt. Soc. Am. 46, 186 (1956).
  11. R. Ladenberg and F. Reiche, Ann. Physik 42, 181 (1913).
  12. L. D. Kaplan and D. F. Eggers, J. Chem. Phys. 25, 876 (1956).
  13. D. F. Eggers and B. L. Crawford, J. Chem. Phys. 19, 1554 (1951).
  14. D. E. Burch, D. A. Gryvnak, and D. Williams, Appl. Opt.1, 759 (1962).
  15. G. Yamamoto, M. Tanaka, and T. Aoki, J. Quant. Spectrosc. Radiative Transfer 9, 371 (1969).
  16. P. W. Anderson, Phys. Rev. 76, 647 (1949).
  17. C. J. Tsao and B. Curnutte, J. Quant. Spectrosc. Radiative Transfer 2, 45 (1962).

Anderson, P. W.

P. W. Anderson, Phys. Rev. 76, 647 (1949).

Aoki, T.

G. Yamamoto, M. Tanaka, and T. Aoki, J. Quant. Spectrosc. Radiative Transfer 9, 371 (1969).

Babrov, H. J.

H. J. Babrov, J. Opt. Soc. Am. 51, 171 (1961).

Benedict, W. S.

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Astrophys. J. 135, 277 (1962).

Benesch, W.

H. Goldring and W. Benesch, Can. J. Phys. 40, 1801 (1962).

Burch, D. E.

D. E. Burch, D. A. Gryvnak, and R. R. Patty, J. Opt. Soc. Am. 58, 335 (1968).

J. N. Howard, D. E. Burch, and D. Williams, J. Opt. Soc. Am. 46, 186 (1956).

D. E. Burch, D. A. Gryvnak, and D. Williams, Appl. Opt.1, 759 (1962).

Crawford, B. L.

D. F. Eggers and B. L. Crawford, J. Chem. Phys. 19, 1554 (1951).

Curnutte, B.

C. J. Tsao and B. Curnutte, J. Quant. Spectrosc. Radiative Transfer 2, 45 (1962).

Dale, E. B.

J. R. Nielsen, V. Thornton, and E. B. Dale, Rev. Mod. Phys. 16, 307 (1944).

Eggers, D. F.

L. D. Kaplan and D. F. Eggers, J. Chem. Phys. 25, 876 (1956).

D. F. Eggers and B. L. Crawford, J. Chem. Phys. 19, 1554 (1951).

Ely, R.

R. Ely and T. K. McCubbin, Jr., Appl. Opt. 9, 1230 (1970).

Goldring, H.

H. Goldring and W. Benesch, Can. J. Phys. 40, 1801 (1962).

Gryvnak, D. A.

D. E. Burch, D. A. Gryvnak, and R. R. Patty, J. Opt. Soc. Am. 58, 335 (1968).

D. E. Burch, D. A. Gryvnak, and D. Williams, Appl. Opt.1, 759 (1962).

Herman, R.

R. Herman and R. Wallis, J. Chem. Phys. 23, 637 (1955).

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Astrophys. J. 135, 277 (1962).

Hoover, G. M.

G. M. Hoover and D. Williams, J. Opt. Soc. Am. 59, 28 (1969).

Howard, J. N.

J. N. Howard, D. E. Burch, and D. Williams, J. Opt. Soc. Am. 46, 186 (1956).

Kaplan, L. D.

L. D. Kaplan and D. F. Eggers, J. Chem. Phys. 25, 876 (1956).

Ladenberg, R.

R. Ladenberg and F. Reiche, Ann. Physik 42, 181 (1913).

Madden, R. P.

R. P. Madden, J. Chem. Phys. 35, 2083 (1961).

McCubbin, Jr., T. K.

R. Ely and T. K. McCubbin, Jr., Appl. Opt. 9, 1230 (1970).

Moore, G. E.

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Astrophys. J. 135, 277 (1962).

Nielsen, J. R.

J. R. Nielsen, V. Thornton, and E. B. Dale, Rev. Mod. Phys. 16, 307 (1944).

Patty, R. R.

D. E. Burch, D. A. Gryvnak, and R. R. Patty, J. Opt. Soc. Am. 58, 335 (1968).

Reiche, F.

R. Ladenberg and F. Reiche, Ann. Physik 42, 181 (1913).

Silverman, S.

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Astrophys. J. 135, 277 (1962).

Tanaka, M.

G. Yamamoto, M. Tanaka, and T. Aoki, J. Quant. Spectrosc. Radiative Transfer 9, 371 (1969).

Thornton, V.

J. R. Nielsen, V. Thornton, and E. B. Dale, Rev. Mod. Phys. 16, 307 (1944).

Tsao, C. J.

C. J. Tsao and B. Curnutte, J. Quant. Spectrosc. Radiative Transfer 2, 45 (1962).

Wallis, R.

R. Herman and R. Wallis, J. Chem. Phys. 23, 637 (1955).

Williams, D.

G. M. Hoover and D. Williams, J. Opt. Soc. Am. 59, 28 (1969).

D. E. Burch, D. A. Gryvnak, and D. Williams, Appl. Opt.1, 759 (1962).

J. N. Howard, D. E. Burch, and D. Williams, J. Opt. Soc. Am. 46, 186 (1956).

Yamamoto, G.

G. Yamamoto, M. Tanaka, and T. Aoki, J. Quant. Spectrosc. Radiative Transfer 9, 371 (1969).

Other (17)

R. P. Madden, J. Chem. Phys. 35, 2083 (1961).

D. E. Burch, D. A. Gryvnak, and R. R. Patty, J. Opt. Soc. Am. 58, 335 (1968).

R. Herman and R. Wallis, J. Chem. Phys. 23, 637 (1955).

H. Goldring and W. Benesch, Can. J. Phys. 40, 1801 (1962).

G. M. Hoover and D. Williams, J. Opt. Soc. Am. 59, 28 (1969).

R. Ely and T. K. McCubbin, Jr., Appl. Opt. 9, 1230 (1970).

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Astrophys. J. 135, 277 (1962).

J. R. Nielsen, V. Thornton, and E. B. Dale, Rev. Mod. Phys. 16, 307 (1944).

H. J. Babrov, J. Opt. Soc. Am. 51, 171 (1961).

J. N. Howard, D. E. Burch, and D. Williams, J. Opt. Soc. Am. 46, 186 (1956).

R. Ladenberg and F. Reiche, Ann. Physik 42, 181 (1913).

L. D. Kaplan and D. F. Eggers, J. Chem. Phys. 25, 876 (1956).

D. F. Eggers and B. L. Crawford, J. Chem. Phys. 19, 1554 (1951).

D. E. Burch, D. A. Gryvnak, and D. Williams, Appl. Opt.1, 759 (1962).

G. Yamamoto, M. Tanaka, and T. Aoki, J. Quant. Spectrosc. Radiative Transfer 9, 371 (1969).

P. W. Anderson, Phys. Rev. 76, 647 (1949).

C. J. Tsao and B. Curnutte, J. Quant. Spectrosc. Radiative Transfer 2, 45 (1962).

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