Electron-impact excitation of zinc and ytterbium atoms

Das, Tapasi; Sharma, Lalita; Srivastava, Rajesh; Stauffer, A D

doi:10.1103/physreva.86.022710

Cited by 14 publications

(18 citation statements)

References 33 publications

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“…The fully RDWA method has proved to provide quite reliable results for electron-atom excitation processes at intermediate and high energies [24][25][26]. In this method, the scattering amplitude which connects the transition matrix is obtained using both the bound target atomic wave functions and the projectile scattered electron wave function by solving the relativistic Dirac equations.…”

Section: Rdwa Modelmentioning

confidence: 99%

“…This method is particularly suited for calculations of relatively heavy atoms where spin-orbit coupling can be important. Using the RDWA method, Das et al [24] have reported cross-sections for the excitation of Zn atoms using elaborate multi-configuration Dirac-Fock wave functions calculated by the GRASP2K program [27]. Details of the configurations used and the results for the atomic properties are given in [24].…”

Section: Rdwa Modelmentioning

confidence: 99%

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Electron-impact coherence parameters for 4¹P₁excitation of zinc

Piwiński

Kłosowski

Chwirot

et al. 2018

J. Phys. B: At. Mol. Opt. Phys.

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We present electron-impact coherence parameters (EICP) for electron-impact excitation of 4 1 P 1 state of zinc atoms for collision energies 40 eV and 60 eV. The experimental results are presented together with convergent close-coupling and relativistic distorted-wave approximation theoretical predictions. The results are compared and discussed with EICP data for collision energies 80 eV and 100 eV.

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Section: Rdwa Modelmentioning

confidence: 99%

Section: Rdwa Modelmentioning

confidence: 99%

Electron-impact coherence parameters for 4¹P₁excitation of zinc

Piwiński

Kłosowski

Chwirot

et al. 2018

J. Phys. B: At. Mol. Opt. Phys.

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“…Recently, Das et al [21] have published cross sections for the excitation of Zn atoms using elaborate multiconfiguration Dirac-Fock wave functions calculated using the GRASP2K program [22]. Details of the configurations used and the results for the atomic properties are given in the former paper.…”

Section: Rdwa Calculationsmentioning

confidence: 99%

Electron excitation of the41P1state of a zinc atom

et al. 2012

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Experimental results of Stokes parameters and electron-impact coherence parameters for excitation of 4 1 P 1 state of zinc atoms are presented. The electron-photon coincidence method in the coherence-analysis version was applied to obtain data for scattering angles in the range from 5 • to 40 • for incident electron energy 100 eV. The experimental results are presented together with convergent-close-coupling-method and relativistic-distorted-wave-approximation theoretical predictions.

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“…As one specific recent example, accurate cross sections for electron collisions with ytterbium atoms are needed in the modelling of the enrichment process that is the basis for the creation of Lu-177, which carries great promise in the treatment of a variety of cancers [4]. While some experimental data and theoretical predictions are available in the literature [2,[5][6][7][8][9], the comprehensive dataset needed for the modeling requires calculations for a large number of discrete transitions as well as ionization over an extended energy range. In this context, it also important to have reliable absolute cross sections.…”

Section: Introductionmentioning

confidence: 99%