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We discuss the implications of the recent X-ray and TeV gamma-rayobservations of the PSR B1259-63 system (a young rotation powered pulsarorbiting a Be star) for the theoretical models of interaction of pulsar andstellar winds. We show that previously considered models in which the pulsarwind is purely electron loaded have problems to account for the observedbehaviour of the system in the TeV and X-ray bands. We develop a model in whichthe broad band (radio, X-ray and high energy gamma-ray) emission from thebinary system is produced in result of collisions of GeV-TeV energy protonsaccelerated by the pulsar wind and interacting with the stellar disk. In thismodel the high energy gamma-rays are produced in the decays of secondaryneutral pions, while radio and X-ray emission are synchrotron and inverseCompton emission produced by low-energy (< 100 MeV) electrons from the decaysof secondary charged pi mesons. This model can explain not only the observedenergy spectra, but also the correlations between TeV, X-ray and radio emissioncomponents.Comment: Proceeding of "The multi messenger approach to high energy gamma ray  sources", Barcelona, June 200

Radio-to-TeV γ-ray emission from PSR B1259–63