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2. Testing extended Higgs models by resonance effects at the ILC
Chian-Shu Chen, Chiao-Qiang Geng,
Dmitry Zhuridov
TILC08 Joint ACFA Physics and Detector Workshop and GDE meeting on International Linear Collider 3-6 March 2008, Sendai, Japan

3. Testing extended Higgs models by resonance effects at the ILC
Abstract
We analyze the standard model generalizations that include the extended Higgs sector. We investigate the processes at near future colliders possible to distinguish among these models, in particular, the resonance Moller scattering at the International Linear Collider (ILC). We demonstrate that the effects of triplet component or singlet doubly charged Higgs in the parity asymmetry in Moller scattering are the opposite. We show that the models with singlet doubly charged Higgs can
be easily tested at the ILC.

4. Contents Extended Higgs models CGN model
Resonance Moller scattering at the ILC
Conclusion
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5. Extended Higgs Models Some opened points in particle physics:
Small neutrino masses
Electroweak symmetry breaking
Baryon asymmetry in the Universe
Dark matter
Particle masses hierarchy
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6. Sterile neutrinos Extended Higgs sector
Some models to clarify the points, in particular, small observable neutrino masses, include:
GUTs
Extra dimensions
Other new physics
Sterile neutrinos
Extended Higgs sector
Charge singlet & additional doublet (Zee)
Singly & doubly charged singlets (Zee-Babu)
Doubly charged singlets and/or triplets
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7. Triplet and singlet doubly charged Higgs
Complex Higgs triplet with Y = -2
Doubly charged singlet Higgs with Y = 4
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8. CGN model
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9. Resonance Moller scattering at ILC
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19. Conclusion
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20. Thank you!
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