Theoretical Study of Sodium and Potassium Resonance Lines Pressure Broadened by Helium Atoms
Cheng Zhu, James F. Babb, Alex Dalgarno
Abstract
We perform fully quantum mechanical calculations in the binary approximation of the emission and absorption profiles of the sodium 3s-3p and potassium 4s-4p resonance lines under the influence of a helium perturbing gas. We use carefully constructed potential energy surfaces and transition dipole moments to compute the emission and absorption coefficients at temperatures from 158 to 3000 K. Contributions from quasi-bound states are included. The resulting red and blue wing profiles agree well with previous theoretical calculations and with experimental measurements.
Create a lesson
Related papers
Influence of Many-Body Dipole-Dipole Interactions on Excitation Transfer in a Dense Gas
A. A. Bobrov, S. A. Saakyan, B. B. Zelener et al.
Beyond-EUV spectrum of highly-charged gadolinium
M. L. Reitsma, J. Sheil, O. O. Versolato et al.
Measuring the Sr+ 5s1/2 Landé g-factor Using Singlet-Triplet Oscillations in a Circular Rydberg State of Strontium
Baptiste Muraz, Mathis Pepin, Corentin Guimard et al.
Robust watt-level continuous-wave deep-ultraviolet lasers near 230 nm
J. Cai, M. Stoepper, P. Agarwal et al.
High-density Optical Quantum Sensors with Pulsed Probe Read-out for Correlated Spin-Noise Reduction
Igor Savukov, Young Jin Kim
Measurement of the O- Photodetachment cross-section in the electrostatic storage ring FLSR
Oliver Forstner, Thorben Niemeyer, Andrey I. Bondarev et al.