Deep H.E.S.S. Observations of the Supernova Remnant RX J0852.0-4622

Shell-type supernova remnants (SNRs) are the prime candidates for being the accelerators of the Galactic Cosmic Rays. This hypothesis is supported by the observation of their non-thermal emission from radio up to TeV gamma-rays. The SNR RX J0852.0-4622 (also called Vela Junior) is one of the few supernova remnants where the shell is resolved in TeV gamma rays. It has been extensively observed with the High Energy Stereoscopic System (H.E.S.S.). This new data set allows for an unprecedented look at this supernova remnant. The energy spectrum obtained with H.E.S.S. is combined with the results at GeV energies obtained with the Fermi/LAT. This combined spectrum allows the investigation of the underlying particle population with gamma-ray data alone. The significant detection of a cut-off in the energy spectrum can be used to estimate the maximum energy of the particles accelerated in the SNR. The large angular extent of the SNR together with the good angular resolution of H.E.S.S. allows spatially resolved spectroscopy studies. These results will be presented at the conference. Even though no conclusion on a leptonic or hadronic origin of the emission can be drawn these new data allow a better understanding of particle acceleration in SNRs.