Using Decay Angle Correlations to Detect CP Violation in the Neutral Higgs Sector

Details Using Decay Angle Correlations to Detect CP Violation in the Neutral Higgs Sector Using Decay Angle Correlations to Detect CP Violation in the Neutral Higgs Sector

1995-01-18

arxiv.org/abs/hep-ph/9501339v1

Phys.Lett.B350:218-224,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, phyzzx.tex macro, full postscript file including embedded figure available at ftp://ucdhep.ucdavis.edu/gunion/cpasym

Scientific paper

10.1016/0370-2693(95)00369-V

We demonstrate that decay angle correlations in $\taum\taup$ and $t\anti t$ decay modes could allow a determination of whether or not a neutral Higgs boson is a CP eigenstate. Sensitivity of the correlations is illustrated in the case of the $\epem\rta Z \hn$ and $\mupmum\rta \hn$ production processes for a two-doublet Higgs model with CP-violating neutral sector. A very useful technique for minimizing `depolarization-factor' suppressions of the correlations in the $t\anti t$ mode is introduced.

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