Formation and quenching mechanisms of the electron beam pumped (XeRb)+ ionic excimer in different buffer gases

F.T.J.L. Lankhorst, H.M.J. Bastiaens, P.J.M. Peters, W.J. Witteman

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Abstract

The ionic excimer molecule XeRb+ is formed in an electron beam excited gas mixture of Xe, Rb, and a buffer gas. The formation and quenching mechanisms of ionic excimers are investigated by measuring the XeRb+fluorescence as a function of the gas composition and gas pressure. The formation of XeRb+ is achieved by a three‐body association reaction between Xe+, Rb, and a buffer gas atom. For the buffer gases He, Ne, or Ar the values of the important formationrate constants are determined from the observed fluorescence signal decay.
Original languageEnglish
Pages (from-to)2471-2473
Number of pages3
JournalApplied physics letters
Volume64
Issue number19
DOIs
Publication statusPublished - 1994

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