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Leptonic signals from off-shellZ boson pairs at hadron colliders |
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| Authors: | Zecher C. Matsuura T. van der Bij J. J. |
| Affiliation: | 1.Deutsches Elektronen Synchrotron DESY, Notkestra?e 85, D-22603, Hamburg, Germany ;2.II. Institut für Theoretische Physik, Universit?t Hamburg, Luruper Chaussee 149, D-22761, Hamburg, Germany ;4.Fakult?t für Physik, Hermann-Herder-Strasse 3, D-79104, Freiburg i.Br., Germany ; |
| Abstract: | We calculate the invariant amplitudes for the process γ→γ in the full electroweak standard model and present them in concise analytical form. The differential polarized and total unpolarized cross sections are discussed in the MeV region and in the GeV region. The cross section is completely dominated by the fermion contributions at low energies whereas it is determined by the W-boson diagrams at high energies $left( {sqrt s gtrsim 1TeV} right)$ . |
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