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Investigation of the Spin-Orbit Perturbation of the 6¹Π State in KLi Molecule

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Jastrzebski W., Kowalczyk P.

Acta Physica Polonica A

2008

vol. 114

issue 4

731-738

Strong perturbation in the 6¹Π state of the ³⁹K⁷Li molecule is analysed. The perturbing state is identified as 3³∆ on the basis of experimental observations aided by comparison with recent theoretical calculations. Possibilities of accessing triplet states of KLi via the 6¹Π∼ 3³∆ perturbation are discussed.

Polarisation Labelling Spectroscopy of Highly Excited (Rydberg) ^1Π_u States in Potassium Dimer

100%

Jastrzebski W., Kowalczyk P.

Acta Physica Polonica A

2005

vol. 108

issue 3

457-465

Two previously unknown electronic states of K_2, both of ^1Π_u symmetry, have been observed by polarisation labelling spectroscopy technique in the energy region of 31500-33100 cm^{-1} above the bottom of the molecular ground state potential well. Major molecular constants have been determined for these states and the potential curves have been constructed using the Rydberg-Klein-Rees method. The correlation of the observed states with atomic limits is discussed.

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2 Acta Physica Polonica A

1 2008

1 2005

2 Jastrzebski W.

2 Kowalczyk P.

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Investigation of the Spin-Orbit Perturbation of the 6¹Π State in KLi Molecule

Polarisation Labelling Spectroscopy of Highly Excited (Rydberg) ^1Π_u States in Potassium Dimer