We report an extensive study on partial-ion-yield spectroscopy around the Cl 1s and 2p ionization thresholds for Cl2. All positive ion channels, several with the same mass/charge ratio, which could be distinguished by taking the advantage of the 37Cl isotope, have been measured at a photon resolution of nearly 6500. At the Cl 1s ionization threshold, no significant differences are reported between the absorption and the partial-ion yields. In contrast, near the 2p ionization thresholds, we detect large variations in the fragmentation patterns following excitations to the Rydberg series when comparing the atomic fragment ions to the molecular fragment ions. We attribute the different behaviours to the more-or-less diffuse nature of Rydberg states with different angular momenta.
- Conduction electrons,
- Excited state chemistry,
- Nuclear physics,
- Rydberg states
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Stolte, Wayne C., Gunnar Öhrwall, M. M. Sant'Anna, I. Dominguez Lopez, L. T. N. Dang, M. N. Piancastelli, and Dennis W. Lindle. "100% site-selective fragmentation in core-hole-photoexcited methanol by anion-yield spectroscopy." Journal of Physics B: Atomic, Molecular and Optical Physics 35, no. 12 (2002): L253.
Wayne C. Stolte, Renaud Guillemin, I. N. Demchenko, Gunnar Ohrwall, et al.. "Inner-shell photofragmentation of Cl2" Journal of Physics B: Atomic, molecular and optical physics
Vol. 43 Iss. 15 (2010) p. 155202-1 - 155202-6
Available at: http://works.bepress.com/wayne_stolte/52/