Essays about: "Attenuation coefficient"

Showing result 21 - 21 of 21 essays containing the words Attenuation coefficient.

  1. 21. Off-axis primary-dose measurements using a mini-phantom

    University essay from Lunds universitet/Sjukhusfysikerutbildningen

    Author : Stefan Johnsson; [1996]
    Keywords : Strålterapi; Medicine and Health Sciences;

    Abstract : The characterization of the incident photon beam is usually divided into its dependence on collimator setting (head-scatter factor) and off-axis position (primary off-axis ratio). These parameters are normally measured "in air" with a build-up cap, thick enough to generate full dose build-up at the depth of dose maximum. READ MORE