ULTRAHIGH-RESOLUTION SPECTROSCOPY OF THE $B^2E' \leftarrow X^2A_2'$ TRANSITION OF NO$_3$ RADICAL
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Creators:
Kasahara, ShunjiKanzawa, Kenichirou
Semba, Yosuke
Yoshida, Kazuto
Baba, Masaaki
Ishiwata, Takashi
Hirota, Eizi
Issue Date:
2009Metadata
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Ohio State UniversityAbstract:
Ultrahigh-resolution spectroscopic technique is powerful tool for studying the structure and dynamics of excited molecules in detail and unambiguously. Rotationally resolved high-resolution fluorescence excitation spectra of the $0^0_0$ band of the $B$ $^2E' \leftarrow$ $X$ $^2A_2'$ transition of NO$_3$ radical has been observed by crossing a single-mode laser beam perpendicular to a collimated molecular beam. The observed line width was 25 MHz, which was the residual Doppler width, and the absolute wavenumber was caliblated with accuracy 0.0001 cm$^{-1}$. The rotational structure of this $0^0_0$ band has been reported by Carter {\it et al}. , {\bf 257}, 297 (1996).}, but the rotational assignment is still remained because the spectrum is too complicated. We are trying to assign the observed rotational lines by using the combination difference in the ground state. Besides the main rotational lines, a number of small lines were observed as the background. It suggests the $B$ $^2E'(v'=0)$ level is interacts with the other vibronic levels.
Description:
R. T. Carter, K. F. Schmidt, H. Bitto, and J. R. Huber, {\em Chem. Phys. Lett.
Author Institution: Molecular Photoscience Research Center, Kobe University, Kobe; 657-8501, Japan; Graduate School of Science, Kyoto University, Kyoto; 606-8502, Japan; Faculty of Information Sciences, Hiroshima City University; Hiroshima 731-3194, Japan; The Graduate University for Advanced Studies; Kanagawa 240-0193, Japan
Author Institution: Molecular Photoscience Research Center, Kobe University, Kobe; 657-8501, Japan; Graduate School of Science, Kyoto University, Kyoto; 606-8502, Japan; Faculty of Information Sciences, Hiroshima City University; Hiroshima 731-3194, Japan; The Graduate University for Advanced Studies; Kanagawa 240-0193, Japan
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