La liberté des préfets: Regard d'un juriste sur le versant politique de la fonction préfectorale
In: Administration: revue de l'administration territoriale de l'état, Heft 194, S. 58-61
ISSN: 0223-5439
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In: Administration: revue de l'administration territoriale de l'état, Heft 194, S. 58-61
ISSN: 0223-5439
In: Journal of professions and organization: JPO, Band 2, Heft 1, S. 19-37
ISSN: 2051-8811
An empirical ansatz for the complex photoionization amplitude and Wigner-Eisenbud-Smith time delay in the vicinity of a Fano autoionization resonance are proposed to evaluate and interpret the time delay in the resonant region. The utility of this expression is evaluated in comparison with accurate numerical calculations employing the ab initio relativistic random phase approximation and relativistic multichannel quantum defect theory. The indisputably good qualitative agreement (and semiquantitative agreement) between corresponding results of the proposed model and results produced by the ab initio theories proves the usability of the model. In addition, the phenomenology of the time delay in the vicinity of multichannel autoionizing resonances is detailed. ; HRV was supported by the Department of Science and Technology, Government of India under Grant No. EMR/ 2016/002695. STM was supported by the Division of Che- mical Sciences, Basic Energy Science, Office of Science, US Department of Energy under Grant No. DEFG0203ER15428
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