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Recently a monitor calibration procedure in terms of particle number for dynamic particle beam delivery system was developed according the protocol recommended by the International Atomic Energy Agency(IAEA),although the measurement method of the calibration factor(CF)was time-consuming and indirect.As a consequence,an indirect cross calibration method was tested for particle spot scanning in the therapy terminal at HIRFL-CSR in order to predict the CF of the monitors in a short time.Cross calibration for particle spot scanning was based on the linear regression analysis between the
Recently a monitor calibration procedure in terms of particle number for dynamic particle beam delivery system was developed according to the protocol recommended by the International Atomic Energy Agency (IAEA), although the measurement method of the calibration factor (CF) was time-consuming and indirect. As a consequence, an indirect cross calibration method was tested for particle spot scanning in the therapy terminal at HIRFL-CSR in order to predict the CF of the monitors in a short time. Cross calibration for particle spot scanning was based on the linear regression analysis between the