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Chinese Physics, 2003, Vol. 12(8): 851-855    DOI: 10.1088/1009-1963/12/8/306
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Laser spectroscopy of jet-cooled CuF in visible region

Zhang Xiao-Peng (张霄鹏), Guo Jing-Ru (郭静茹), Wang Ting-Ting (王婷婷), Pei Lin-Sen (裴林森), Chen Cong-Xiang (陈从香), Chen Yang (陈旸)
Key Laboratory of Bond Selective Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
Abstract  The laser-induced fluorescence excitation spectra of jet-cooled CuF have been recorded in the range of 19000-21470cm$^{-1}$, in which the CuF radicals were produced by the reaction of SF$_6$ with copper atoms from a dc discharge-sputtering source under supersonic jet conditions. Eight observed vibronic transition bands have been assigned as the transition from the ground state $X(^1\Sigma^+$) to $B(^1\Sigma^+$), $C(^1\Pi$) and an unreported upper state. The rotational structure of all observed bands has been analysed at the estimated rotational temperature 80K. We determined the newly observed band to be the ($^1\Pi, v=1)-X(^1\Sigma^+v=0$) transition according to the character of the rotational structure and the isotopic shift analysis. In addition, the lifetimes of the states involved in these bands were measured.
Keywords:  CuF      visible spectra      fluorescence  
Received:  10 February 2003      Revised:  24 March 2003      Accepted manuscript online: 
PACS:  33.50.Dq (Fluorescence and phosphorescence spectra)  
  33.20.Kf (Visible spectra)  
  33.20.Wr (Vibronic, rovibronic, and rotation-electron-spin interactions)  
  33.20.Sn (Rotational analysis)  
  33.15.Mt (Rotation, vibration, and vibration-rotation constants)  
  33.70.Jg (Line and band widths, shapes, and shifts)  
  33.70.Ca (Oscillator and band strengths, lifetimes, transition moments, and Franck-Condon factors)  
  33.80.-b (Photon interactions with molecules)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 20203018), the National Key Basic Research Special Foundation of China (Grant No G1999075304), and Chinese Academy of Science.

Cite this article: 

Zhang Xiao-Peng (张霄鹏), Guo Jing-Ru (郭静茹), Wang Ting-Ting (王婷婷), Pei Lin-Sen (裴林森), Chen Cong-Xiang (陈从香), Chen Yang (陈旸) Laser spectroscopy of jet-cooled CuF in visible region 2003 Chinese Physics 12 851

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