CP-odd Higgs boson production in association with Neutral gauge boson in High-Energy $e^+e^-$ Collisions

Details CP-odd Higgs boson production in association with Neutral gauge boson in High-Energy $e^+e^-$ Collisions CP-odd Higgs boson production in association with Neutral gauge boson in High-Energy $e^+e^-$ Collisions

1999-07-29

arxiv.org/abs/hep-ph/9907542v3

Mod.Phys.Lett. A14 (1999) 2093-2108; Mod.Phys.Lett. A17 (2002) 373

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages Latex, 4 figures, figures in agreement with erratum

Scientific paper

10.1142/S0217732399002157

We study the associated production of a CP-odd Higgs boson $A^0$ with a neutral gauge boson ($Z$ or photon) in high-energy $e^+ e^-$ collisions at the one-loop level in the framework of Two Higgs Doublet Models (THDM). We find that in the small $\tan\beta$ regime the top quark loop contribution is enhanced leading to significant cross-sections (about a few fb), while in the large $\tan\beta$ regime the cross-section does not attain observable rates.

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