Various experimental tests are discussed that might serve to reveal the space-time structure of the interactions responsible for weak processes of the type $\nu \left(\overline{\nu }\right)+\mathrm{hadron}\to \nu \left(\overline{\nu }\right)+\mathrm{hadrons}$.

• Received 11 November 1974

DOI:https://doi.org/10.1103/PhysRevD.11.1043