Search for neutron-antineutron oscillations at the Sudbury Neutrino Observatory

Abstract

Neutron-antineutron oscillations in nature would violate baryon number and indicate a potential underlying mechanism for the observed matter-antimatter asymmetry. Sudbury Neutrino Observatory reports limits on neutron-antineutron oscillations for the first time in deuteron. These limits establish important constraints on beyond-the-Standard-Model scenarios that involve baryon-number violation.