Heavy quark polarizations of $e^+e^-\to q \bar q h$ in the general two Higgs doublet model

Details Heavy quark polarizations of $e^+e^-\to q \bar q h$ in the general two Higgs doublet model Heavy quark polarizations of $e^+e^-\to q \bar q h$ in the general two Higgs doublet model

2001-11-22

arxiv.org/abs/hep-ph/0111280v2

Phys.Rev. D65 (2002) 077702

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, discussion on statistic significance added, version to appear in PRD

Scientific paper

10.1103/PhysRevD.65.077702

The polarizations of the heavy quark ($q=t$ or $b$) in the process $e^+e^- \to q \bar q h$ have been calculated in the general two Higgs doublet model. The CP violating normal polarization of the top quark can reach 8%, and $2 \sim 3%$ for the bottom quark, while it is zero in the standard model. The longitudinal and transverse polarizations of the bottom quark can be significantly different from those in SM and consequently could aslo be used as the probe of the new physics.

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