Gamma-ray emission of classical novae and its detectability by integral

A lot of information concerning the mechanism of nova explosions will be ex tracted from the possible future observations with INTEGRAL. In order to be prepared for this task, we are performing a detailed modelization of the g amma-ray emission of classical novae, for a. wide range of possible initial conditions. New models of classical novae have been computed with a contin uously updated hydrodynamical code, including a complete network of nuclear reactions. Spectra at different epochs after the explosion and light curve s for the different lines (511, 478 and 1275 keV) and the continuum are pre sented, as well as detectability distances with INTEGRAL's spectrometer SPI .