$A^{0}Z^{0}$ associated production at the Large Hadron Collider in the minimal supersymmetric standard model

Details $A^{0}Z^{0}$ associated production at the Large Hadron Collider in the minimal supersymmetric standard model $A^{0}Z^{0}$ associated production at the Large Hadron Collider in the minimal supersymmetric standard model

2002-09-24

arxiv.org/abs/hep-ph/0209279v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 9 figures, accepted by Phys. Rev. D

Scientific paper

We investigate in detail the $A^{0}Z^{0}$ associated production process $pp \to A^0Z^0+X$ within the framework of the minimal supersymmetric standard model (MSSM) at the CERN Large Hadron Collider (LHC), considering both contributions from the Drell-Yan and gluon fusion subprocesses. We focus on the deviations from the general two-Higgs-doublet model (2HDM) arising in the MSSM. We also discuss the contributions of the two $A^{0}Z^{0}$ associated production subprocesses in the MSSM at the LHC, and analyse the dependences of the total cross section on neutral CP-odd Higgs boson mass $m_A$ and $\tan\beta$ in the mSUGRA scenario. We find that the contribution from loop mediated gluon fusion subprocess can be competitive with that from the Drell-Yan subprocess in some parameter space.

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