CP-odd Higgs boson production in association with Neutral gauge boson in High-Energy e+e- Collisions
Abstract
We study the associated production of a CP-odd Higgs boson A0 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 β regime the top quark loop contribution is enhanced leading to significant cross-sections (about a few fb), while in the large β regime the cross-section does not attain observable rates.
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