Experimental stopping forces for He, C, O, Al and Si ions in Al2O3 in the energy range of 40-1250Â keV/nucleon

The stopping forces (a.k.a. stopping powers) for 4He, 12C, 16O, 27Al and 28Si ions in alumina (Al2O3) have been experimentally determined in the energy range of 40-1250 keV/nucleon. Two independent analysis methods based on Simulated Annealing and Bayesian Inference techniques (as implemented in the Hotstop and Data Furnace codes) have been used to extract the continuous stopping curves from sets of backscattering spectra. Bayesian analysis has been found to be very adequate for providing systematic estimations of the confidence level for the results. The results of both methods are reported and compared with other available data.