A. Scalia, DOOR ENERGIES IN SUBBARRIER FUSION AT VERY-LOW ENERGY, Nuovo cimento della Società Italiana di Fisica. A. Nuclei, particles and fields, 106(6), 1993, pp. 855-858
<<Door>> energies are found in the framework of the <<shadow>> model f
or sub-barrier at very low energy. It is suggested to solve the solar-
neutrino problem by using these <<door>> energies.