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Title:HIGH-RESOLUTION LASER SPECTROSCOPY OF LEAD OXIDE (PbO)
Author(s):Baba, Masaaki
Contributor(s):Kobayashi, Kaori ; Suzuki, Takehiro ; Takabatake, Ryota ; SHIRAISHI, SEI ; Enomoto, Katsunari
Subject(s):Small molecules
Abstract:We observed rotationally resolved spectra of A(0$^+$) $\leftarrow$ X(0$^+$) and B(1) $\leftarrow$ X(0$^+$) transition of PbO produced in a flow cell by laser ablation. The transition frequency was calibrated using an ultralow expansion etalon and (4s $^2$S$_{1/2}$ - 5p $^2$P$_{1/2}$) absorption line of K atoms at 405 nm within the error of 3 MHz. We determined the rotational constants for a number of vibrational levels of three isotopic molecules, $^{206}$PbO, $^{207}$PbO, and $^{208}$PbO. The interaction among electronic excited states are generally significant in such heavy molecules, and we found perturbations in specific rotational levels [1]. We discuss the potential energy curves of low electronic excited states of PbO on the basis of the global analysis of observed transitions. \\[1mm] \begin{flushleft} [1] K. Enomoto, A. Fuwa, N. Hizawa, Y. Moriwaki, and K. Kobayashi, {\it J. Mol. Spectrosc.}, {\bf 339}, 12 (2017) \\[1mm] \end{flushleft}
Issue Date:23-Jun-20
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:APS
Genre:CONFERENCE PAPER/PRESENTATION
Type:Text
Language:English
URI:http://hdl.handle.net/2142/107358
Date Available in IDEALS:2020-06-26


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