2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46403An introduction to the subject of baryon number non-conservation in the electroweak theory at high temperatures or energies is followed by a summary of our discovery of an infinite surface of sphaleron-like configurations which play a key role in baryon-number non-conserving transitions in a hot electroweak plasma.Talk given by Ola Tornkvist, to appear in the proceedings of the meeting of the American Physical Society, Division of Particles and Fields (DPF 96) in Minneapolis, Minnesota, August 10-15, 1996. Plain latex, 6 pagesHigh Energy Physics - Phenomenologytext