Agradecimentos: Beata Ziaja is grateful to T. Chmaj, J. Feldhaus, S. Hau-Riege, L. Motyka, R.A. London and B. Sonntag for illuminating discussions. She thanks G. Ingelman for providing an access to the computing units of the high energy physics group at the Uppsala University, and I. Koersner for...

Agradecimentos: Beata Ziaja is grateful to T. Chmaj, J. Feldhaus, S. Hau-Riege, L. Motyka, R.A. London and B. Sonntag for illuminating discussions. She thanks G. Ingelman for providing an access to the computing units of the high energy physics group at the Uppsala University, and I. Koersner for computer support. This research was supported in part by the Polish Committee for Scientific Research with grant No. 2 P03B 02724. Beata Ziaja is a fellow of the Alexander von Humboldt Foundation

Abstract: We apply Boltzmann equations for modelling the radiation damage in samples irradiated by photons from free electron lasers (FELs). We test this method in a study case of a spherically symmetric xenon cluster irradiated with VUV FEL photons. Qualitative agreement between the model...

Abstract: We apply Boltzmann equations for modelling the radiation damage in samples irradiated by photons from free electron lasers (FELs). We test this method in a study case of a spherically symmetric xenon cluster irradiated with VUV FEL photons. Qualitative agreement between the model predictions and experimental data is found. The results obtained demonstrate the potential of the Boltzmann method for describing the complex and non-equilibrium dynamics of samples exposed to FEL radiation

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