Electron linear accelerator source model building method and building device
A technology for a linear accelerator and a method for establishing a linear accelerator is applied in the field of establishing a source model of an electron linear accelerator, and can solve problems such as the inability to obtain an electron linear accelerator model.
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[0026] The Monte Carlo dose calculation method is a method for accurately calculating the dose. Since the output parameters of each electron linear accelerator will not be exactly the same, it is necessary to model each electron linear accelerator. By continuously modifying the parameters in the model, Make the calculated dose value equal to the actual measured dose value. In the case that the electron linear accelerator model cannot be obtained, the dose calculation can only be performed by establishing a virtual accelerator model.
[0027] In the prior art, the Monte Carlo method is often used to establish a virtual source model, and a radioactive source is generated by superimposing multiple Gaussian sources through forward simulation. However, there are large errors in the dose calculated by the existing Monte Carlo virtual source model.
[0028] In the embodiment of the present invention, the corresponding phase space files are generated by using electron beams of differ...
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