Dose 2016

Challenges: reference versus relative dosimetry

Reference conditions

Non reference conditions: Relative dosimetry

-

Uniform electron fluence distribution

-

Non-Uniform electron fluence

over the detector.

distribution over the detector. VOLUME AVERAGING

-

Beam spectra at the reference point in

ref.

conditions known.

-

Beam spectra at the reference point

may differ

from beam spectra at the ENERGY DEPENDENCE;

-

Detector of choice: Ion Chambers

measuring point.

PERTURBATION FACTORS

-

Detector of choice: ???