The $W$ Boson Loop Background to H -> ZZ at Photon-photon Colliders

Details The $W$ Boson Loop Background to H -> ZZ at Photon-photon Colliders The $W$ Boson Loop Background to H -> ZZ at Photon-photon Colliders

1993-07-13

arxiv.org/abs/hep-ph/9307259v1

Phys.Rev. D48 (1993) 5121-5126

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages + 4 PS figures included (uuencoded), MAD/PH/771

Scientific paper

10.1103/PhysRevD.48.5121

We have performed a complete one-loop calculation of $\gamma \gamma \rightarrow ZZ$ in the Standard Model, including both gauge bosons and fermions in the loop. We confirm the large irreducible continuum background from the $W$-boson loop found by Jikia. We have included the photon-photon luminosity, and find that the continuum background of transverse $Z$ boson pairs prohibits finding a heavy Higgs with mass $\gtap 350$ GeV in this decay mode.

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