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Emission spectroscopy of AlH: the X1Σ+, A1Π and C1Σ+ states characteristics.

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dc.contributor.author Szajna, Wojciech
dc.contributor.author Zachwieja, Mirosław
dc.contributor.author Hakalla, Rafał
dc.contributor.author Kępa, Ryszard
dc.date.accessioned 2014-11-19T09:49:38Z
dc.date.available 2014-11-19T09:49:38Z
dc.date.issued 2011-09
dc.identifier.citation Acta Phys. Pol. A 120, 417 – 423 (2011). pl_PL.UTF-8
dc.identifier.issn 05874246
dc.identifier.uri http://repozytorium.ur.edu.pl/handle/item/713
dc.description.abstract The visible spectrum of AlH has been investigated at high resolution between 20000 and 21500 cm1 using a conventional spectroscopic technique. The AlH molecules were formed and excited in an aluminium hollow-cathode lamp with two anodes, filled with a mixture of Ne carried gas and a trace of NH 3. The emission from the discharge was observed with a plane grating spectrograph and recorded by a photomultiplier tube. The 0-0 and 1-1 bands of the C1Σ+-A1∏ system and 0-2 band of the A1∏-X1Σ+ were identified at 21126, 21368 and 20276 cm1, respectively. In total 121 transition wave numbers belonging to three bands were precisely measured (with accuracy of ±0.003 cm-1) and rotationally analysed. The new data were elaborated with the help of recent X1Σ+ state parameters reported by White et al. and of the C1Σ+, A1∏ states constants reported by Szajna and Zachwieja. As a result of this merged analysis the set of the molecular parameters and rotational terms values for the three lower lying states of the AlH molecule have been significantly improved. pl_PL.UTF-8
dc.language.iso eng pl_PL.UTF-8
dc.publisher Polish Academy of Sciences, Institute of Physics (Acta Physica Polonica A) pl_PL.UTF-8
dc.subject High resolution molecular spectroscopy pl_PL.UTF-8
dc.subject Emission spectroscopy of AlH
dc.subject X1Σ+
dc.subject A1Π
dc.subject C1Σ+
dc.title Emission spectroscopy of AlH: the X1Σ+, A1Π and C1Σ+ states characteristics. pl_PL.UTF-8
dc.type article pl_PL.UTF-8


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