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.

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 [email protected])

References in corpus (1)

• Existence of a New Instanton in Constrained Yang-Mills-Higgs Theory

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• Monopole-Antimonopole Solutions of the Skyrmed SU(2) Yang-Mills-Higgs Model
• Two boson stars in equilibrium
• Platonic Sphalerons
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• A global anomaly from the Z-string
• Rotating Electroweak Sphaleron-Antisphaleron Systems
• Construction of a new constrained instanton in Yang-Mills-Higgs theory
• Gravitating Sphaleron-Antisphaleron Systems
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• The Inevitability of Sphalerons in Field Theory
• A sphaleron for the non-Abelian anomaly
• SU(3) sphaleron: Numerical solution
• Heavy Fermion Quantum Effects in SU(2)_L Gauge Theory
• $Z_2$ as the Topological Origin of B+L Violation in the Hot Electroweak Theory
• Properties of Charged Rotating Electroweak Sphaleron-Antisphaleron Systems
• Fermion zero-modes of a new constrained instanton in Yang-Mills-Higgs theory
• Quartic Gradient Flow
• Fermion Number 1/2 of Sphalerons and Spectral Mirror Symmetry