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Title: | High-resolution spectra of the<sup>10</sup>B<sup>18</sup>O and <sup>11</sup>B<sup>18</sup>O: Rotational analysis of the B-X bands | Authors: | Bojovic, V. Antić-Jovanović, Ankica Kuzmanović, Miroslav |
Issue Date: | 1-Jan-2005 | Journal: | Chinese Physics Letters | Abstract: | Emission spectra of 10B18O and 11B 18O isotopomers in the 230-330nm region have been investigated by means of conventional high-resolution spectroscopy. The molecules were produced in a low-pressure arc by discharging 8 Torr of mixture containing argon and oxygen 18 in the ratio of 4:1 and the spectra have been recorded using Ebert-type spectrograph. The boron needed to produce BO has been present in the system as amorphous powder with natural abundance of 10B and 11B. Rotational analysis of the 0, 0 and 0, 1 bands has been performed and spectroscopic constants have been extracted. The results have allowed first determination of the equilibrium rotational constants B e, and D e for both isotope species 10B 18O and 11B18O in their lower electronic state. Assuming a linear dependence of Be on (v + 1/2), the value of equilibrium distance re in the lower state has been derived. © 2005 Chinese Physical Society and IOP Publishing Ltd. |
URI: | https://dspace.ffh.bg.ac.rs/handle/123456789/955 | ISSN: | 0256-307X | DOI: | 10.1088/0256-307X/22/4/022 |
Appears in Collections: | Journal Article |
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