Abstract
The relative partial cross sections for 13C6+–Ar collisionsat 4.15–11.08 keV/u incident energy are measured. Thecross-section ratios σ2E/σSC,σ3E/σSC, σ4E/σSC and σ5E/σSC are approximately theconstants of 0.51±0.05, 0.20±0.03, 0.06±0.03 and0.02±0.01 in this region. The significance of the multi-electronprocess in highly charged ions (HCIs) with argon collisions isdemonstrated (σME/σSC as high as0.79±0.06). In multi-electron processes, it is shown thattransfer ionization is dominant while pure electron captureis weak and negligible. For all reaction channels, the cross-sections are independent of the incident energy in the present energyregion, which is in agreement with the static characteristic of classicmodels, i.e. the molecular Coulomb over-the-barrier model (MCBM),the extended classical over-the-barrier model (ECBM) and the semiempiricalscaling laws (SL). The result is compared with theseclassical models and with our previous work of 13C6+-Necollisions [Chin. Phys. Lett. 23 (2006) 95].
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