| Title |
The C(2)1Πu state in Rb2. Observation and deperturbation |
| ID_Doc |
19206 |
| Authors |
Pashov, A; Kowalczyk, P; Szczepkowski, J; Jastrzebski, W |
| Title |
The C(2)1Πu state in Rb2. Observation and deperturbation |
| Year |
2022 |
| Published |
|
| DOI |
10.1016/j.saa.2022.121624 |
| Abstract |
We report a systematic study of the C(2)(1)Pi(u) electronic state in rubidium dimer, observed in polarization labelling spectroscopy experiment through the C <- X-1 Sigma(+)(g) transitions recorded under rotational resolution in two isotopologues Rb-85(2) and (RbRb)-Rb-85-Rb-87. Regularity of the vibrational progressions was distorted by numerous in-teractions with the surrounding (21)Sigma(u)(u), 2(3)Pi(u) and 3(3)Sigma(+)(u) states. Deperturbation was performed by coupled-channels analysis taking into account spin-orbit and rotational interactions. Potential energy curves and parameters describing the off-diagonal matrix elements were determined as functions of internuclear distance. About 3000 line frequencies from the present study are reproduced with a standard deviation of 0.07 cm(-1), in agreement with the experimental accuracy. Along with this, the model is consistent with all high resolution experimental data on the involved electronic states, available in the literature. |
| Author Keywords |
Laser spectroscopy; Alkali dimers; Electronic states; Perturbations; Deperturbation analysis |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED) |
| EID |
WOS:000840540000005 |
| WoS Category |
Spectroscopy |
| Research Area |
Spectroscopy |
| PDF |
https://arxiv.org/pdf/2205.14124
|