Energy deposition by relativistic heavy ions in thin argon absorbers

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Abstract

Experimental data on energy deposition for argon, krypton and xenon ions in the energy range from 100 to 950 MeV/u passing through an ionization chamber filled with an Ar (90%) + CH4 (10%) gas mixture of thickness equivalent to 60 mg/cm2 of argon are reported. Measured values are compared with the proposed model of energy deposition and with the model of Badhwar and Adams et al. The observed data support the picture of the escape of high energy δ rays from the active detector volume.

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