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Optical-Excitation Function and Polarization of 4227-Å Resonance Line of Ca Excited by 8-500 eV Electron Impact

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Dziczek D., Dyl D., Piwiński M., Chwirot S.

Acta Physica Polonica A

1998

vol. 93

issue 5-6

717-721

We report on measurements of the relative optical-excitation function for the 4^{1}P state of Ca and polarization degree of the 4227-Å resonance line. The measurements were carried out using crossed low-density beams of electrons and calcium atoms, for incident electron energies from 8 to 500 eV. For each electron energy we have used 28 results obtained at different polarizer positions from 0-180 ̊ to extract the required parameters. Excellent agreement between the present results and earlier predictions has been found.

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1 Acta Physica Polonica A

1 1998

1 Chwirot S.

1 Dyl D.

1 Dziczek D.

1 Piwiński M.

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Optical-Excitation Function and Polarization of 4227-Å Resonance Line of Ca Excited by 8-500 eV Electron Impact