Construction of a New Electroweak Sphaleron

Abstract

We present a self-consistent ansatz for a new sphaleron in the electroweak standard model. The resulting field equations are solved numerically. This sphaleron sets the height of the energy barrier for the global SU(2) anomaly.

Comments: 13 pages, Latex, NIKHEF-H/93-09 (June 1993), postscript file including figures 1 and 2 available by anonymous ftp, figure 3 available by fax (send request to library@nikhef.nl)