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

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arxiv hep-ph/9907542 v3 pith:EZ47OONV submitted 1999-07-29 hep-ph

classification hep-ph
keywords bosonhiggsbetacollisionscp-oddgaugehigh-energyneutral
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

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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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Implications of portal vector-like lepton on associated Higgs production at a multi-TeV muon collider

    hep-ph 2025-11 conditional novelty 6.0 of 10

    At a future muon collider, Higgs production with an invisible dark photon could outshine Higgs+Z by 1–100 times in a vector-like-lepton portal model, giving a kinetic-mixing-independent dark photon probe.

  2. One-loop induced contributions to the rare decay of $A_0 \rightarrow h_0h_0\gamma$ in Two Higgs Doublet Models

    hep-ph 2025-01 conditional novelty 5.0 of 10

    First complete one-loop analytic calculation of A0 -> h0h0 gamma in the CP-conserving two Higgs doublet model, with benchmark decay rates and differential distributions.

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