Discriminating between Higgs Boson models using $e^+e^-\to t \anti t \h$ and $Z\h$ at the NLC

Details Discriminating between Higgs Boson models using $e^+e^-\to t \anti t \h$ and $Z\h$ at the NLC Discriminating between Higgs Boson models using $e^+e^-\to t \anti t \h$ and $Z\h$ at the NLC

1996-09-24

arxiv.org/abs/hep-ph/9609453v1

ECONF C960625:LTH102,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, full postscript file also available via anonymous ftp at ftp://ucdhep.ucdavis.edu/gunion/he_sm96.ps

Scientific paper

We demonstrate that the process $e^+e^-\to t\anti t h$ at the NLC provides a powerful tool for extracting the $t\anti t$ (Yukawa) couplings of the $\h$. In combination with the $\epem\to Z\h$ process, an accurate determination of the $ZZ$ coupling of the $\h$ is also possible. The resulting ability to distinguish different models of the Higgs sector is illustrated by detailed studies for two-Higgs-doublet models.

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