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The shell-type supernova remnant RX J1713.7--3946 was observed during threeyears with the H.E.S.S. Cherenkov telescope system. The first observationcampaign in 2003 yielded the first-ever resolved TeV gamma-ray image. Follow-upobservations in 2004 and 2005 revealed the very-high-energy gamma-raymorphology with unprecedented precision and enabled spatially resolved spectralstudies. Combining the data of three years, we obtain significantly increasedstatistics and energy coverage of the gamma-ray spectrum as compared to earlierH.E.S.S. results. We present the analysis of the data of different yearsseparately for comparison and demonstrate that the telescope system operatesstably over the course of three years. When combining the data sets, agamma-ray image is obtained with a superb angular resolution of 0.06 degrees.The combined spectrum extends over three orders of magnitude, with significantgamma-ray emission approaching 100 TeV. For realistic scenarios ofvery-high-energy gamma-ray production, the measured gamma-ray energies implyefficient particle acceleration of primary particles, electrons or protons, toenergies exceeding 100 TeV in the shell of RX J1713.7--3946.

Primary particle acceleration above 100 TeV in the shell-type Supernova Remnant RX J1713.7--3946 with deep H.E.S.S. observations