Topic
Electroweak interaction
About: Electroweak interaction is a research topic. Over the lifetime, 16333 publications have been published within this topic receiving 468927 citations. The topic is also known as: electroweak force.
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TL;DR: In this paper, the baryon and lepton number are violated at temperatures above the weak phase transition, and the asymmetry is proportional to a CP violating parameter, a large power of the gauge coupling and to factors which depend on the details of the transition.
141 citations
TL;DR: In this article, the authors considered the scattering of singlet technibaryons, without electroweak quantum numbers, and found that the scattering rates are typically of order 10 −4 (kg keV day) −1 for a technicolor scale of 1 TeV.
140 citations
TL;DR: In this paper, the authors discuss the systematics of power counting in general effective field theories, focusing on those that are non-renormalizable at leading order, and show that naive dimensional analysis (NDA) is incomplete.
140 citations
TL;DR: In this article, the authors report on an improvement of this method in various steps: the inclusion of electroweak contributions, of separate electroweakino and gluino thresholds, as well as resummation at the NNLL level.
Abstract: In the Minimal Supersymmetric Standard Model heavy superparticles introduce large logarithms in the calculation of the lightest $\mathcal{CP}$-even Higgs boson mass. These logarithmic contributions can be resummed using effective field theory techniques. For light superparticles, however, fixed-order calculations are expected to be more accurate. To gain a precise prediction also for intermediate mass scales, both approaches have to be combined. Here, we report on an improvement of this method in various steps: the inclusion of electroweak contributions, of separate electroweakino and gluino thresholds, as well as resummation at the NNLL level. These improvements can lead to significant numerical effects. In most cases, the lightest $\mathcal{CP}$-even Higgs boson mass is shifted downwards by about 1 GeV. This is mainly caused by higher order corrections to the $\bar{\text{MS}}$ top-quark mass. We also describe the implementation of the new contributions in the code {\tt FeynHiggs}.
140 citations
TL;DR: In this paper, the authors consider the possible anomaly free Abelian discrete symmetries of the MSSM that forbid the μ-term at perturbative order and prove that there is a unique Z 4 R symmetry that commutes with SO (10 ).
140 citations