Phys. Rev. D 44, 127–138 (1991)

Implications of unitarity for low-energy W_L^±, Z_L scattering

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Loyal Durand, James M. Johnson^*, and Peter N. Maher
Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706

Received 5 February 1991; published in the issue dated 1 July 1991

We investigate the partial-wave scattering of longitudinally polarized W^± and Z bosons for energies M_W≪√s≪M_H using an Argand-diagram analysis. We find that, for large Higgs-boson masses M_H, partial-wave unitarity is badly violated at one loop at energies √s≪M_H, and the standard model of the electroweak interactions becomes effectively strongly interacting in this sector. The implications of this and other similar results are summarized.

URL:

http://link.aps.org/doi/10.1103/PhysRevD.44.127

DOI:

10.1103/PhysRevD.44.127

PACS:

^*Present address: Department of Physics and Astronomy, Wayne State University, Detroit, MI 48202.

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Phys. Rev. D 44, 127–138 (1991)

Implications of unitarity for low-energy WL±, ZL scattering

Implications of unitarity for low-energy W_L^±, Z_L scattering