  Sphaleron and instanton solutions of the Standard Model provide violation of
baryon and lepton numbers and could lead to spectacular events at the LHC or
future colliders. Certain models of new physics can also lead to sphaleron-like
vacuum transitions. This nonperturbative physics could be relevant to the
generation of the matter-antimatter asymmetry of the universe. We have
developed BaryoGEN, an event generator that facilitates the exploration of
sphaleron-like transitions in proton-proton collisions with minimal
assumptions. BaryoGEN outputs standard Les Houches Event files that can be
processed by PYTHIA, and the code is publicly available. We also discuss
various approaches to experimental searches for such transitions in
proton-proton collisions.
