3dnl J=0(E)-2(E) Autoionizing Levels of Calcium - Observation by Laser Optogalvanic Spectroscopy and Theoretical-Analysis
| dc.contributor.author | Assimopoulos, S. | en |
| dc.contributor.author | Bolovinos, A. | en |
| dc.contributor.author | Jimoyiannis, A. | en |
| dc.contributor.author | Tsekeris, P. | en |
| dc.contributor.author | Luckoenig, E. | en |
| dc.contributor.author | Aymar, M. | en |
| dc.date.accessioned | 2015-11-24T18:33:53Z | |
| dc.date.available | 2015-11-24T18:33:53Z | |
| dc.identifier.issn | 0953-4075 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16831 | |
| dc.rights | Default Licence | - |
| dc.subject | r-matrix calculation | en |
| dc.subject | even-parity | en |
| dc.subject | absorption-spectrum | en |
| dc.subject | rydberg states | en |
| dc.subject | neutral barium | en |
| dc.subject | strontium | en |
| dc.subject | threshold | en |
| dc.subject | series | en |
| dc.subject | limit | en |
| dc.subject | ca | en |
| dc.title | 3dnl J=0(E)-2(E) Autoionizing Levels of Calcium - Observation by Laser Optogalvanic Spectroscopy and Theoretical-Analysis | en |
| heal.abstract | The even parity J = 0-2 autoionizing spectra of calcium are investigated below the 3d threshold by a two-step laser excitation from the 3d4s metastables through the 3d4p P-3(0,1,2) intermediate states. The 3d4s are populated by electronic collisions in a DC glow discharge through a Ca heat-pipe. Around 300 resonance transitions are measured with an accuracy of approximately 0.2 cm-1 for the narrow ones using standard laser calibration techniques. Their upper levels are assigned to 17 autoionizing 3dns, 3dnd and 3dng Rydberg series and several perturbers belonging to the 4p2 and 4p5p configurations. The theoretical interpretation is achieved by a combination of the eigenchannel R-matrix and multichannel quantum defect (MQDT) methods. Five, twelve and fourteen interacting channels are introduced for J = 0, J = 1 and J = 2 series respectively. Theoretical energy level positions and excitation profiles are compared with the experimental data, confirming the identification of the observed structures and pointing out the behaviour of the different perturbed Rydberg series. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | <Go to ISI>://A1994NV91700007 | - |
| heal.identifier.secondary | http://iopscience.iop.org/0953-4075/27/12/007/pdf/0953-4075_27_12_007.pdf | - |
| heal.journalName | Journal of Physics B-Atomic Molecular and Optical Physics | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 1994 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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