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1

Some Remarks on Pressure Effects on 2p^{5}3p-2p^{5}ns (n=5, 6, 7) Transitions in Neon

100%

Bielski A., Szudy J., Trawiński R., Wolnikowski J.

Acta Physica Polonica A

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1992

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vol. 81

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issue 3

369-378

EN

The collisional broadening and shift of 494.5 nm spectral line of neon arising from 2p^{5}3p-2p^{5}ns7s transition, emitted from a low-pressure glow discharge in pure neon and neon-helium mixtures have been measured. The values of pressure broadening and shift coefficients were determined. Experimental data of 494.5 nm line as well as our earlier results for spectral lines originating from the 2p^{5}3p-2p^{5}ns7s (n = 5, 6) transitions are compared with those resulting from the Kaulakys and Ueda theories of pressure effects on Rydberg states.

2

Broadening and Shift of Optical Lines of Argon Involving Quasi-Rydberg States

100%

Trawiński R. S., Bielski A., Szudy J., Wolnikowski J.

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EN

The extended Omont-Ueda-Kaulakys treatment of collisional effects on quasi-Rydberg states, which takes into account the perturbation of the lower state, is applied to Ar*-He, Ar*-Ne and Ar*-Ar systems. The pressure broadening and shift coefficients of spectral lines of argon involving the 3p^{5}ns (n = 6-9) and 3p^{5}nd (n = 4-8) states are determined and compared with those resulting from the experiment.

3

Effects of Low-Polarizability Perturbers on the Cadmium Intercombination Line

100%

Bielski A., Lisak D., Trawiński R., Szudy J.

Acta Physica Polonica A

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2003

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vol. 103

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issue 1

23-40

EN

Using a laser-induced fluorescence method a detailed analysis of profiles of the ^{114}Cd 326.1 nm line perturbed by neon and helium was performed which revealed deviations from the ordinary Voigt profile. These deviations are shown to be consistent with fits of experimental profiles to an asymmetric Voigt profile. Coefficients of the pressure broadening, shift and collision-time asymmetry are determined and compared with those calculated in the adiabatic approximation for different interaction potentials.

4

Observation of the Line-Mixing and Collision-Time Asymmetry of the 5^{1}S_0-5^{3}P_1 Line of the Even-Odd ^{113}Cd Isotope

76%

Bielski A., Ciuryło R., Domysławska J., Lisak D., Masłowski P., Szudy J., Trawiński R.

Acta Physica Polonica A

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2004

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vol. 105

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issue 4

329-338

EN

The profiles of argon perturbed components of the 5^{1}S_0-5^{3}P_1 line of the even-odd ^{113}Cd isotope were measured using a laser-induced fluorescence method. It was shown that the asymmetries of the profiles are due to both the collision-duration and line-mixing effects.

5

Speed-Dependent Effects on the 748.8 nm Ne Self-Broadened Line

76%

Ciuryło R., Bielski A., Brym S., Domysławska J., Lisak D., Szudy J., Trawiński R.

Acta Physica Polonica A

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1999

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vol. 96

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issue 3-4

359-372

EN

Profiles of the self-broadened 748.8 nm Ne line emitted from a glow discharge in neon in the pressure range between 0.8 and 100 Tr were measured using an improved experimental setup with pressure-scanned Fabry-Perot interferometer. First, line profiles were analysed using an ordinary Voigt procedure which yielded the Doppler widths decreasing with the increase in neon pressure. Using a speed-dependent Voigt profile it was shown that for the 748.8 nm line the correlation between the Doppler and collisional broadening plays an important role. However, the values of the pressure broadening and shift coefficients determined by the speed-dependent Voigt analysis were found to be only slightly different from those obtained by the ordinary Voigt analysis. A systematic error in the determination of perturber concentration in our previous investigation was corrected.

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5 Acta Physica Polonica A

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2 Ciuryło R.

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1 Masłowski P.

1 Trawiński R. S.

Some Remarks on Pressure Effects on 2p^{5}3p-2p^{5}ns (n=5, 6, 7) Transitions in Neon

Broadening and Shift of Optical Lines of Argon Involving Quasi-Rydberg States

Effects of Low-Polarizability Perturbers on the Cadmium Intercombination Line

Observation of the Line-Mixing and Collision-Time Asymmetry of the 5^{1}S_0-5^{3}P_1 Line of the Even-Odd ^{113}Cd Isotope

Speed-Dependent Effects on the 748.8 nm Ne Self-Broadened Line