Experimental description of the (6)Sigma+  and (4)3Pi states in KCs

Авторы: Szczepkowski J., Grochola A., Jastrzebski W., Kowalczyk P., Pazyuk E.A., Stolyarov A.V., Pashov A.
Сборник: XIX Symposium on High Resolution Molecular Spectroscopy HighRus-2019
Серия: Abstracts of Reports
Тезисы
Год издания: 2019
Место издания: Томск
Аннотация: Since the first experimental description of the KCs excited state (6)1Sigma+ with a single channel model, no attempt has been undertaken to resolve the reported perturbations by the neighbouring (4)Pi triplet electronic state. The problem is challenging since the "perturber" was observed only through local perturbations with the singlet state, thus the shape of its potential energy curve can be determined experimentally with great ambiguity. Additional complications arise from the vibrational numbering of the singlet state, established only from distribution of the experimental line intensities, based on the single channel Frank-Condon factors. The present contribution reports on theoretical calculations of the R-dependent matrix element of the electric dipole operator between the ground X1Sigma+ and the excited (6)1Sigma+ electronic states and the spin-orbit operator. These radial functions are then used to model the experimental observations in a coupled channels model, which accounts for the spin-orbit interaction between the coupled stated.
Добавил в систему: Столяров Андрей Владиславович

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