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Studying possible anomalous top-quark couplings at photon colliders

Nov, 2005

12 pages

Part of Matter to the deepest: Recent developments in physics of fundamental interactions. Proceedings, 29th International Conference of Theoretical Physics, Ustron, Poland, September 8-14, 2005

Published in:

Acta Phys.Polon.B 36 (2005) 3531-3540

Contribution to:

29th International Conference of Theoretical Physics

e-Print:

hep-ph/0511038 [hep-ph]

Report number:

IFT-28-05,
FUT-05-02,
UCRHEP-T399

View in:

ADS Abstract Service

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Abstract:

Search for new-physics through possible anomalous t tbar gamma, tbW and gamma gamma H couplings which are generated by SU(2) X U(1) gauge-invariant dimension-6 effective operators is discussed, using energy and angular distributions of final charged-lepton/ b-quark in gamma gamma -> t tbar -> l X / bX for various beam polarizations. Optimal beam polarizations that minimize uncertainty in determination of those non-standard couplings are found performing an optimal-observable analysis.

14.65.Fy
14.65.Ha
14.70.Bh
anomalous top-quark couplings
gamma gamma colliders

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Figures(0)

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