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Differential cross sections for electron-impact excitation of laser-excited$\less$sup$\greater$174$\less$/sup$\greater$Yb (\ldots6s6p\hspace0.167em$\less$sup$\greater$3$\less$/sup$\greater$P$\less$sub$\greater$1$\less$/sub$\greater$)

We have measured and calculated electron-impact excitation cross sections from the laser-excited Yb (…6s6p 3P1) level to the higher-lying Yb (…6s6p 1P1), (…6s5d 3D1, 2, 3) and (…6s7s 3S1) levels at 20 eV impact energy. Measurements were performed using a crossed-beam apparatus, with resonant laser r...

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Hauptverfasser: Hein, Jeff (VerfasserIn) , Kidwai, S. (VerfasserIn) , Zetner, P. W. (VerfasserIn) , Bostock, C. (VerfasserIn) , Fursa, D. V. (VerfasserIn) , Bray, I. (VerfasserIn) , Sharma, Lalita (VerfasserIn) , Srivastava, R. (VerfasserIn) , Stauffer, A. (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: [2011]
In: Journal of physics. B, Atomic, molecular and optical physics
Year: 2011, Jahrgang: 44, Heft: 1, Pages: 1-9
ISSN:1361-6455
DOI:10.1088/0953-4075/44/1/015202
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/0953-4075/44/1/015202
Volltext
Verfasserangaben:J. D. Hein, S. Kidwai, P. W. Zetner, C. Bostock, D. V. Fursa, I. Bray, L. Sharma, R. Srivastava, A. Stauffer
Beschreibung
Zusammenfassung:We have measured and calculated electron-impact excitation cross sections from the laser-excited Yb (…6s6p 3P1) level to the higher-lying Yb (…6s6p 1P1), (…6s5d 3D1, 2, 3) and (…6s7s 3S1) levels at 20 eV impact energy. Measurements were performed using a crossed-beam apparatus, with resonant laser radiation incident on the electron-atom interaction region, providing excited-state atomic targets. Calculations were performed in the relativistic convergent close-coupling (RCCC), convergent close-coupling (CCC), and relativistic distorted-wave (RDW) approximations. We present measured and calculated partial differential cross sections (), which relate to differential cross sections and electron-impact coherence parameters through the target state anisotropy introduced by the laser geometry. Using theoretical predictions of the h electron-impact coherence parameter, we present the differential cross section for the 3P1-3S1 excitation.
Beschreibung:Published 16 December 2010
Gesehen am 04.10.2022
Beschreibung:Online Resource
ISSN:1361-6455
DOI:10.1088/0953-4075/44/1/015202

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