Abstract

The Lorentz parameter Δν has been obtained by the equivalent-width method for the pressure-broadened spectral lines of low-J value in the HF fundamental. These values have been compared with values obtained directly from the line shapes after correction for the effect of instrumental broadening. From the line intensities I01(m), the square of the matrix element of the electric dipole moment for a nonrotating anharmonic oscillator |R01|2, and a set of rotational-correction factors F01(m) have been calculated. The effective charge M1 and the vibration-rotation interaction constant θ have been calculated. Experimental and theoretical values of the F01(m) have been compared.

© 1962 Optical Society of America

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References

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  1. J. A. Herndon, W. E. Deeds, N. M. Gailar, W. F. Herget, R. J. Lovell, and A. H. Nielsen, J. Opt. Soc. Am. 52, 1108 (1962).
    [CrossRef]
  2. D. F. Smith, J. Mol. Spectroscopy 3, 473 (1959).
    [CrossRef]
  3. W. F. Herget, W. E. Deeds, N. M. Gailar, R. J. Lovell, and A. H. Nielsen, J. Opt. Soc. Am. 52, 1113 (1962).
    [CrossRef]
  4. R. Herman, R. W. Rothery, and R. J. Rubin, J. Mol. Spectroscopy 2, 369 (1958).
    [CrossRef]
  5. W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 830 (1956).
    [CrossRef]
  6. L. D. Kaplan and D. F. Eggers, J. Chem. Phys. 25, 876 (1956).
    [CrossRef]
  7. R. Herman and R. J. Rubin, Astrophys. J. 121, 533 (1955).
    [CrossRef]
  8. Private communication from Rainer Weiss of Massachusetts Institute of Technology.
  9. G. A. Kuipers, J. Mol. Spectroscopy 2, 75 (1958).
    [CrossRef]

1962 (2)

1959 (1)

D. F. Smith, J. Mol. Spectroscopy 3, 473 (1959).
[CrossRef]

1958 (2)

G. A. Kuipers, J. Mol. Spectroscopy 2, 75 (1958).
[CrossRef]

R. Herman, R. W. Rothery, and R. J. Rubin, J. Mol. Spectroscopy 2, 369 (1958).
[CrossRef]

1956 (2)

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 830 (1956).
[CrossRef]

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

1955 (1)

R. Herman and R. J. Rubin, Astrophys. J. 121, 533 (1955).
[CrossRef]

Benedict, W. S.

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 830 (1956).
[CrossRef]

Deeds, W. E.

Eggers, D. F.

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

Gailar, N. M.

Herget, W. F.

Herman, R.

R. Herman, R. W. Rothery, and R. J. Rubin, J. Mol. Spectroscopy 2, 369 (1958).
[CrossRef]

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 830 (1956).
[CrossRef]

R. Herman and R. J. Rubin, Astrophys. J. 121, 533 (1955).
[CrossRef]

Herndon, J. A.

Kaplan, L. D.

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

Kuipers, G. A.

G. A. Kuipers, J. Mol. Spectroscopy 2, 75 (1958).
[CrossRef]

Lovell, R. J.

Moore, G. E.

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 830 (1956).
[CrossRef]

Nielsen, A. H.

Rothery, R. W.

R. Herman, R. W. Rothery, and R. J. Rubin, J. Mol. Spectroscopy 2, 369 (1958).
[CrossRef]

Rubin, R. J.

R. Herman, R. W. Rothery, and R. J. Rubin, J. Mol. Spectroscopy 2, 369 (1958).
[CrossRef]

R. Herman and R. J. Rubin, Astrophys. J. 121, 533 (1955).
[CrossRef]

Silverman, S.

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 830 (1956).
[CrossRef]

Smith, D. F.

D. F. Smith, J. Mol. Spectroscopy 3, 473 (1959).
[CrossRef]

Weiss, Rainer

Private communication from Rainer Weiss of Massachusetts Institute of Technology.

Astrophys. J. (1)

R. Herman and R. J. Rubin, Astrophys. J. 121, 533 (1955).
[CrossRef]

Can. J. Phys. (1)

W. S. Benedict, R. Herman, G. E. Moore, and S. Silverman, Can. J. Phys. 34, 830 (1956).
[CrossRef]

J. Chem. Phys. (1)

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

J. Mol. Spectroscopy (3)

D. F. Smith, J. Mol. Spectroscopy 3, 473 (1959).
[CrossRef]

R. Herman, R. W. Rothery, and R. J. Rubin, J. Mol. Spectroscopy 2, 369 (1958).
[CrossRef]

G. A. Kuipers, J. Mol. Spectroscopy 2, 75 (1958).
[CrossRef]

J. Opt. Soc. Am. (2)

Other (1)

Private communication from Rainer Weiss of Massachusetts Institute of Technology.

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Figures (2)

Fig. 1
Fig. 1

|R01|2F01(m) vs m.

Fig. 2
Fig. 2

Experimental and theoretical values of F01(m) vs m.

Tables (2)

Tables Icon

Table I Measured values of W, α0, Δν, and I01(m).

Tables Icon

Table II Values of Δν/p obtained by equivalent-width method and from line shapes corrected for the effects of instrumental broadening.

Equations (6)

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α = α 0 ( Δ ν ) 2 [ ν - ν 0 η + ( Δ ν ) 2 ] - 1 ,
W = 2 π Δ ν f ( x ) ,
f ( x ) = x e - x [ J 0 ( i x ) - i J 1 ( i x ) ]
x = 1 2 α 0 L ,
I 0 1 ( m ) = π α 0 Δ ν .
I 0 1 ( m ) = [ 8 π 3 N 0 , 1 / 3 h c ( 2 J + 1 ) ] ω 0 1 ( m ) m R 0 1 2 F 0 1 ( m ) ,