Production of Z Boson Pairs via Gluon Fusion in the Minimal Supersymmetric Model

Details Production of Z Boson Pairs via Gluon Fusion in the Minimal Supersymmetric Model Production of Z Boson Pairs via Gluon Fusion in the Minimal Supersymmetric Model

1998-09-02

arxiv.org/abs/hep-ph/9809240v1

Phys.Rev.D59:075004,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 7 figures

Scientific paper

10.1103/PhysRevD.59.075004

We present the full one-loop calculation for $gg \to ZZ$ in the Minimal Supersymmetric Model (MSSM) including nonresonant contributions from the squark loop diagrams and provide analytical expressions for the helicity amplitudes. The one-loop process $gg \to ZZ$ via quark loops has been calculated in the Standard Model. In supersymmetric models, additional contributions arise from squark loops. In some regions of the MSSM parameter space, the top and bottom squark loops can make important contributions to the diagrams involving Higgs bosons. The heavy Higgs scalar (H) might be detected at the Large Hadron Collider via $gg \to H \to ZZ$ for $\tan\beta \alt 5$.

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