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Four-Fermi Effective Operators in Top-Quark Production and Decay
B. Grzadkowski, Z. Hioki, M. Szafranski
Effects of four-Fermi-type new interactions are studied in top-quark pair production and their subsequent decays at future e^+e^- colliders. Secondary-lepton-energy distributions a…
Effects of Non-Standard Interactions for the Energy Spectrum of Secondary Leptons in e^+e^- --> t t-bar
L. Brzezinski, B. Grzadkowski, Z. Hioki
The process of top-quark pair production followed by semileptonic decays at future high-energy e^+e^- linear colliders is investigated as a possible test of physics beyond the Stan…
CP Violation, Top Quarks and the Tevatron Upgrade
B. Grzadkowski, B. Lampe, K. J. Abraham
In order to observe a signal of possible CP violation in top-quark couplings, we study top-quark production and decay under the conditions of the Tevatron upgrade. Transverse energ…
LEP Limits on CP-Violating Non-Minimal Higgs Sectors
J. F. Gunion, B. Grzadkowski, H. E. Haber +1
We derive a sum rule which shows how to extend LEP limits on the masses of the lightest CP-even and CP-odd Higgs bosons of a CP-conserving two-Higgs-doublet model to any two Higgs…