Sensitivity to Doubly Charged Higgs bosons in the Process $e^- γ\ to e^+ μ^- μ^-$

Details Sensitivity to Doubly Charged Higgs bosons in the Process $e^- γ\ to e^+ μ^- μ^-$ Sensitivity to Doubly Charged Higgs bosons in the Process $e^- γ\ to e^+ μ^- μ^-$

2001-11-15

arxiv.org/abs/hep-ph/0111191v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 1 postscript figure

Scientific paper

We study the sensitivity to doubly charged Higgs bosons, $\Delta^{--}$, in the process $e^-\gamma\to e^+ \mu^-\mu^-$ for centre of mass energies appropriate to future high energy $e^+e^-$ collider proposals. For $M_\Delta < \sqrt{s_{e\gamma}}$ discovery is likely for even relatively small values of the Yukawa coupling to leptons. However, even far above threshold, evidence for the $\Delta$ can be seen due to contributions from virtual intermediate $\Delta$'s although, in this case, $\mu^-\mu^-$ final states can only be produced in sufficient numbers for discovery for relatively large values of the Yukawa couplings.

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