Dose 2016

Pencil kernel characterization

V. Beam quality index as single parameter to determine pencil beam kernels

Incident photons

10 cm

10 cm

Isocenter distance

10 cm

D(10 10,

20cm)

z × =

TPR

=

20/10

D(10 10,

10cm)

z × =

T Nyholm, et al (2006) Radiother Oncol 78 , 347-51.