Neutrino physics at nuclear energies

The paper deals with particles called neutrinos, which had been hypothetically introduced into physics as early as 1930. In spite of the substantial time which since has elapsed, we still know very little about the properties of these particles. A simplified introduction is given into the physics of neutrinos, together with an account of the present experimental efforts. The paper will be confined to neutrinos at nuclear energies, where most processes occur in our present nature. (author)