Reaction Dynamics of Translationaland Electronic Excitation In Ca + SF6Collisions

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Abstract
Relative values of the total chemiluminescence cross.section for the crossed molecular beam urn:x-wiley:02786273:media:lc023523:lc023523-math-0001 reaction have been measured as a function of collision energy. Both metastable calcium atom states 3P1 were produced by low voltage de‐discharge while translational excitation of the SF6 beam was achieved via the seeding technique. Whereas chemiluminescence yield from the urn:x-wiley:02786273:media:lc023523:lc023523-math-0002 was observed from both of the metastable atom reactions, no chemiluminescence signal was detected from the ground atom reaction even though enough translational excitation was used to produc.e that excited product. By changing the discharge conditions different metastable concentrations were produced to measure the state‐to‐state cross‐section for both 3P and 1D reactions, as a function of collision energy, up to 0.6 eV. Laser induced fluorescence of the atomic 4s5s 3S1 ← 4s4p(J = 0, 1, 2, 3) lines have been measured to account for the metastable population in the J = 1 level.

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