Detecting the MSSM Higgs Bosons at Future $e^+e^-$ Colliders

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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12 latex pages, 12 figures

Scientific paper

10.1143/JPSJ.70.2300

We investigate the possibility of detecting the Higgs bosons predicted in the Minimal Supersymmetric extension of the Standard Model $(h^0, H^0, A^0, H^\pm)$, with the reactions $e^{+}e^{-}\to b\bar b h^0 (H^0, A^0)$, and $e^+e^-\to \tau^-\bar \nu_\tau H^+, \tau^+\nu_\tau H^-$, using the helicity formalism. We analyze the region of parameter space $(m_{A^0}-\tan\beta)$ where $h^0, H^0, A^0$ and $H^\pm$ could be detected in the limit when $\tan\beta$ is large. The numerical computation is done considering two stages of a possible Next Linear $e^{+}e^{-}$ Collider: the first with $\sqrt{s}=500$ $GeV$ and design luminosity 50 $fb^{-1}$, and the second with $\sqrt{s}=1$ $TeV$ and luminosity 100-200 $fb^{-1}$.

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