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All-Experimental Values of Self-Quenching Cross-Sections for nf States (n = 5-8) of Potassium Atoms

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GŁódŹ M., Huzandrov A., Sydoryk I., Szonert J., Klavins J.

Acta Physica Polonica A

2007

vol. 112

issue 6

1185-1194

All-experimental self-quenching cross-sections σ_ nf ^q are reported for K(nf) states (n=5, 6, 7, 8). The experiment was performed at varied temperatures of K vapour in a spectral cell. Time-resolved fluorescence was observed following pulsed step-wise excitation with dipole and quadrupole transitions K(4s)࢐ K(4p)࢐ K(nf). The values: σ _ 5f ^q=2.4±1.7, σ_ 6f ^q=4.5±1.4, σ_ 7f ^q=8.1±1.8, and σ_ 8f ^q=18.2±3.0 (in units of 10^ -13 cm^ -1 ) were obtained from Stern-Volmer-type plots.

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1 Acta Physica Polonica A

1 2007

1 GŁódŹ M.

1 Huzandrov A.

1 Klavins J.

1 Sydoryk I.

1 Szonert J.

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All-Experimental Values of Self-Quenching Cross-Sections for nf States (n = 5-8) of Potassium Atoms