ar X iv : h ep - p h / 04 07 05 9 v 1 5 J ul 2 00 4 SLAC - PUB - 10510 July 2004 Monte
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چکیده
We have performed a detailed Monte Carlo exploration of the parameter space for a warped Higgsless model of electroweak symmetry breaking in 5 dimensions. This model is based on the SU (2) L × SU (2) R × U (1) B−L gauge group in an AdS 5 bulk with arbitrary gauge kinetic terms on both the Planck and TeV branes. Constraints arising from precision electroweak measurements and collider data are found to be relatively easy to satisfy. We show, however, that the additional requirement of perturbative unitarity up to the cutoff , ≃ 10 TeV, in W + L W − L elastic scattering in the absence of dangerous tachyons eliminates all models. If successful models of this class exist, they must be highly fine-tuned.
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ar X iv : h ep - p h / 00 02 04 1 v 2 3 1 M ay 2 00 0 SLAC - PUB - 8351 February , 2000 Theoretical Summary Lecture for EPS HEP 99
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متن کاملar X iv : h ep - p h / 00 02 04 1 v 1 3 F eb 2 00 0 SLAC - PUB - 8351 February , 2000 Theoretical Summary Lecture for EPS HEP 99
This is the proceedings article for the concluding lecture of the 1999 High Energy Physics Conference of the European Physical Society. In this article, I review a number of topics that were highlighted at the meeting and have more general importance in high energy physics. The major topics discussed are (1) precision electroweak physics, (2) CP violation, (3) new directions in QCD, (4) supersy...
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تاریخ انتشار 2004