Electroweak Sphalerons with Spin and Charge
  We show that, at finite weak mixing angle the sphaleron solution of Weinberg-Salam theory can be endowed with angular momentum proportional to the electric charge. Carrying baryon number 1/2 these sphalerons with spin and charge may contribute to baryon number violating processes. 
Burkhard Kleihaus, Jutta Kunz and Michael Leissner