0120203

The proposal aim is to detect and study hard emission from the supernova remnant IC443 interacting with a molecularcloud. We argue that a high resolution observation of the remnant by the INTEGRAL IBIS SPI} and {it JEM-X} wouldprovide unique information on the structure of the remnant as well as on nonthermal processes of particleacceleration and interactions with molecular gas. Our major goals are:1) Imaging and spectral study of two localized features of hard X-ray continuum emission of the remnant (recentlyresolved by BeppoSAX MECS at energies below 10 keV) to distinguish the pulsar wind nebula and the shockedmolecular clump.2) Studying of hard continuum emission spectrum above 100 keV to extend the CGRO EGRET and COMPTELobservations of the object and to constrain the models of particle acceleration in SNRs.3) Searching for narrow 511 keV annihilation line emission to constrain the nucleosynthetic yields the structure of the SN ejecta and conditions in the remnant. [truncated! Please see actual data for full text]