Associated production of A^0 and Z^0 bosons and Rare Pseudoscalar Higgs Decays

Details Associated production of A^0 and Z^0 bosons and Rare Pseudoscalar Higgs Decays Associated production of A^0 and Z^0 bosons and Rare Pseudoscalar Higgs Decays

2005-02-21

arxiv.org/abs/hep-ph/0502195v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

REVTeX 4, 9 pages, 20 figures

Scientific paper

We study the production of a pseudoscalar Higgs boson A^0 in association with a Z^0 boson at a future international linear collider (ILC). We consider the contributions to this process at the one loop level in the Minimal Supersymmetric Standard Model (MSSM) from top and bottom quarks as well as stop and sbottom squarks. We also study the squark contributions to the decay widths of the pseudoscalar Higgs boson for the decays A^0 --> \gamma Z^0$ and A^0 --> Z^0 Z^0. The contribution from the supersymmetric loops are found to be directly proportional to the squark mixing and potentially large due to the massive pseudoscalar Higgs coupling to squarks.

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