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13 papers · 2 filters
Goldstone modes and the Higgs condensation beyond one loop
G. Cvetic, N. D. Vlachos
We study the Higgs condensation mechanism in the Top-mode Standard Model at the next-to-leading order in 1/Nc. The calculation includes the effects of the Goldstone f…
Probing Higgs Boson - and Supersymmetry-Induced CP Violation
Werner Bernreuther, Peter Overmann
We consider, both for unpolarized and longitudinally polarized electron beams, the production of a top quark pair in e+e- collisions with subsequent semileptonic top and nonleptoni…
Computing numerically the functional derivative of an effective action
J. Baacke, A. Suerig
The functional derivative of the effective action with respect to an external field is part of the equation of motion of this field if one-loop effects induced by quantum fluctuati…
Spin-dependent non-singlet structure functions in next-to-leading order
M. Stratmann, A. Weber, W. Vogelsang
We study in detail the flavor-non-singlet component of polarized structure functions in the framework of a consistent and complete next-to-leading order ( analysis.…
Top quark effects on the scalar sector of the minimal Standard Model
G. Cvetic
We study effects of the heavy top quark () on the scalar sector of the minimal Standard Model. We construct the effective potential for the scalar doublet, by…
BFKL versus HERA
I. Bojak, M. Ernst
The BFKL equation and the kT-factorization theorem are used to obtain predictions for F2 in the small Bjorken-x region over a wide range of Q**2. The dependence on the parameters,…