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An ionization chamber is bombarded simultaneouly by a beam of 8E6 helium ions per second and...

An ionization chamber is bombarded simultaneouly by a beam of 8E6 helium ions per second and a beam of 1E8 carbon ions per second. The helium ions have an initial energy of 5 MeV and carbon ions, 100 keV. All ions stop in the chamber gas. The W value for helium and carbon ions are 36 and 48 eV/ip, respectively. (a) calculate the saturation current. (b) If the chamber contain 0.876 g of gas what is the dose rate?

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