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Fragmentation of metastable SF6−∗ ions with microsecond lifetimes in competition with autodetachment
Journal of Chemical Physics
Fragmentation of metastable SF 6 − * ions formed in low energy electron attachment to SF 6 has been investigated. The dissociation reaction SF 6 − * → SF 5 − + F has been observed ϳ1.5-3.4 s and ϳ17-32 s after electron attachment in a time-of-flight and a double focusing two sector field mass spectrometer, respectively. Metastable dissociation is observed with maximum intensity at ϳ0.3 eV between the SF 6 − * peak at zero and the SF 5 − peak at ϳ0.4 eV. The kinetic energy released indoi:10.1063/1.2884346 pmid:18345885 fatcat:xcp4gpgx2bdnrh2dadpah64jui