The physical process of X-ray emission from the anode region in a plasma focus device is explained by the interaction of a powerful electron beam with the metal anode and with ionised metallic vapour from the anode, with the influence of the magnetic field of the beam taken into consideration. A MC-PIC model (Monte Carlo-particle in cell) is proposed for the process, in which an electron-photon collision cascade is simulated by the MC approach and the time-dependent state of metallic vapour is determined by PIC computation. The time-resolved energy spectra and angular distributions of X-ray emission from the extending anode region are calculated. The time-integrated characteristics of the X-ray emission can be compared with the results of experiments as far as they are available.
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Wang et al. (1988) studied this question.
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