Observation of sub-TeV gamma-rays from RX J0852.0-4622 with the CANGAROO-II telescope

RX J0852.0−4622 (G266.2−1.2) is a Type-II Supernova Remnant (SNR) located along the line of sight to the Vela SNR. The X-ray spectrum observed by ASCA was featureless, with the maximum of the X-ray emission detected from the northwest rim. We observed RX J0852.0−4622 with the CANGAROO-II telescope from December 2001 to February 2002 to search for sub-TeV gammaray emission. The detection of sub-TeV gamma rays, would be further evidence for the acceleration of cosmic rays via shocks, as observed for SN1006 and RX J1713.7−3946. The preliminary result of the analysis is reported.