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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Cohen, S. | en |
| dc.contributor.author | Aymar, M. | en |
| dc.contributor.author | Bolovinos, A. | en |
| dc.contributor.author | Kompitsas, M. | en |
| dc.contributor.author | Luc-Koenig, E. | en |
| dc.contributor.author | Mereu, H. | en |
| dc.contributor.author | Tsekeris, P. | en |
| dc.date.accessioned | 2015-11-24T18:28:49Z | - |
| dc.date.available | 2015-11-24T18:28:49Z | - |
| dc.identifier.issn | 1434-6060 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16189 | - |
| dc.rights | Default Licence | - |
| dc.subject | laser optogalvanic spectroscopy | en |
| dc.subject | eigenchannel r-matrix | en |
| dc.subject | quantum-defect theory | en |
| dc.subject | rydberg series | en |
| dc.subject | barium | en |
| dc.subject | states | en |
| dc.subject | threshold | en |
| dc.subject | strontium | en |
| dc.subject | calcium | en |
| dc.subject | ba | en |
| dc.title | Experimental and theoretical analysis of the 5pnp J = O-e, 1(e), 2(e) autoionizing spectrum of Sr | en |
| heal.type | journalArticle | - |
| heal.type.en | Journal article | en |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.identifier.primary | DOI 10.1007/s100530170263 | - |
| heal.identifier.secondary | <Go to ISI>://000166830400002 | - |
| heal.identifier.secondary | http://link.springer.com/content/pdf/10.1007%2Fs100530170263.pdf | - |
| heal.language | en | - |
| heal.access | campus | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.publicationDate | 2001 | - |
| heal.abstract | The even parity 5pnp J = 0, 1 and 2 doubly excited autoionizing states of strontium were investigated both experimentally and theoretically. Sr atoms in an atomic beam were excited through the two-step isolated Core Excitation (ICE) scheme 5s(2) S-1(o) -lambda (1) --> 5sn'p P-1(1) (n' = 12-16) -lambda (2) --> [5p(3/2)np](J). The final ICE transition probes the [5p(3/2)np](J) resonances. However, the [5p(1/2)np](J) series below the 5p(1/2) threshold were excited also due to their mixing with the [5p(3/2)np](J) perturbers. An extended energy region was covered below and above the 5p(1/2) ionization limit by saturating the central ICE lobe and recording as many as possible "red" and "blue" secondary lobes. J identification was achieved by using mutually parallel and perpendicular linear polarizations of the laser beams. The ICE spectra were compared to those obtained by employing a two-step excitation scheme using the bound 4d5p P-1(1) valence state as an intermediate one. Final identification for very complex structures was achieved after comparison with theoretical energy level positions and excitation profiles produced by the R-matrix method combined with the multichannel quantum defect theory (MQDT) method. The agreement between theoretical and observed structures is quite satisfactory. | en |
| heal.journalName | European Physical Journal D | en |
| heal.journalType | peer reviewed | - |
| heal.fullTextAvailability | TRUE | - |
| Appears in Collections: | Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Cohen-2001-Experimental and the.pdf | 317.7 kB | Adobe PDF | View/Open Request a copy |
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