Neutral Higgs CP Violation at $μ^+μ^-$ colliders

Details Neutral Higgs CP Violation at $μ^+μ^-$ colliders Neutral Higgs CP Violation at $μ^+μ^-$ colliders

1995-05-04

arxiv.org/abs/hep-ph/9505233v1

Phys.Rev.D52:6271-6277,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 4 Figures, LaTeX file

Scientific paper

10.1103/PhysRevD.52.6271

CP violating asymmetries in both the production and the decays of $s$-channel neutral Higgs bosons at $\mu^+\mu^-$ colliders can be large. If the CP violation occurs in the muon-Higgs coupling, one observes a production asymmetry with transversely polarized $\mu^+\mu^-$ beams. Likewise if the CP violation occurs in the top-Higgs or $\tau$-Higgs coupling, one observes an azimuthal decay asymmetry in $\mu^+\mu-\to t\bar t$ (or $\tau^+\tau^-$). CP studies at such colliders allow a uniquely clean way of deducing the underlying CP phases; in turn these parameters would significantly improve our understanding of baryogenesis.

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