Table 1 The condition of the three linear accelerators.

From: A method for selecting reference beam model of VMAT plans with three 6MV beam-matched linear accelerators during radiation oncology

Maximum gantry rotation speed

1 revolution per minute

Maximum jaw speed

3.2 cm/s

Maximum MLC leaf speed

3.2 cm/s

Maximum gantry MU delivery

20 MU/degree

Minimum gantry MU delivery

0.3 MU/degree

Minimum MLC leaf MU delivery

0.3 MU/cm

Maximum dose rate

600 MU/min

Maximum leaf travel distance per gantry degree

 

Maximum arc delivery time