J Jiménez-Mier et al 2001 J. Phys. B: At. Mol. Opt. Phys. 34 L693 doi:10.1088/0953-4075/34/21/104
Core polarization effects in the decay of 1s →np (n = 2-6) resonantly excited beryllium
J Jiménez-Mier1, S B Whitfield2, R Wehlitz3 and H Díaz-Jiménez1
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The photoelectron angular distribution parameter of the relevant decay channels following the resonant 1s →np (n = 2-6) excitations in beryllium was measured. The 2s and 3s photoelectrons present at the 2p and 3p resonances, respectively, have β = 2 as predicted by theory. For the mp' spectator channels, small but distinct deviations from the expected complete isotropy were found. An explanation of these deviations is proposed in terms of the polarization of the 2s2 subshell due to the excited np electron.
- PACS
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32.80.Fb Photoionization of atoms and ions
- Subjects
- Dates
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Issue 21 (14 November 2001)
Received 4 September 2001
Published 30 October 2001
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Core polarization effects in the decay of 1s →np (n = 2-6) resonantly excited beryllium
J Jiménez-Mier et al 2001 J. Phys. B: At. Mol. Opt. Phys. 34 L693
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