نتایج جستجو برای: mssm
تعداد نتایج: 3196 فیلتر نتایج به سال:
The 100+ free parameters of the minimal supersymmetric standard model (MSSM) make it computationally difficult to compare systematically with data, motivating the study of specific parameter reductions such as the cMSSM and pMSSM. Here we instead study the reductions of parameter space implied by using minimal flavour violation (MFV) to organise the R-parity conserving MSSM, with a view towards...
We have recently examined a large number of points in the parameter space of the phenomenological MSSM, the 19-dimensional parameter space of the CPconserving MSSM with Minimal Flavor Violation. We determined whether each of these points satisfied existing experimental and theoretical constraints. This analysis provides insight into general features of the MSSM without reference to a particular...
The Higgs boson with mass mh = 126 GeV was discovered at the Large Hadron Collider in 2012. Its corresponds both to Standard Model of elementary-particles physics and most lightweight minimal supersymmetric standard model (MSSM). In this paper, we consider MSSM that does not preserve CP-invariance contains a large amount parameters be varied. Using experimental value mass, obtain restrictions o...
It has recently been shown that the tree-level CP invariance of the MSSM Higgs potential can sizeably be broken at the one-loop level by large soft CPviolating trilinear couplings of the Higgs bosons to stop and sbottom squarks. Several recent studies 2,3,4,5,6 have been devoted to analyze in more detail the effective Higgs potential of the MSSM with explicit radiative breaking of CP invariance...
The calculation of electroweak precision observables in the MSSM is reviewed. The description of the data of 1997 and results of updated global fits are discussed in comparison with the Standard Model. talk given at the International Workshop on Quantum Effects in the MSSM, Barcelona, 9 13 September 1997 ELECTROWEAK PRECISION OBSERVABLES IN THE MSSM AND GLOBAL ANALYSES OF PRECISION DATA W. HOLL...
Abstract Recently, the Higgs boson masses in Minimal supersymmetric standard model (MSSM) and their mixing have been calculated using complex two-Higgs-doublet (cTHDM) as an effective field theory (EFT) of MSSM. Here, we discuss implementation this calculation, which improve several aspects, into hybrid framework by combing cTHDM-EFT calculation with existing fixed-order calculation. This combi...
Recent electroweak two-loop corrections in the Minimal Supersymmetric Standard Model (MSSM) are reviewed. They have been obtained with the help of the programs FeynArts and TwoCalc, making use of the recently completed MSSM model file for FeynArts. Short examples of how to use the two codes together with the analytic result for the O (GFm 4 t ) corrections to the ρ-parameter in the MSSM are pre...
We introduce a new confining force (μ-color) at TeV scale to dynamically generate a supersymmetry preserving mass scale which would replace the μ parameter in the minimal supersymmetric standard model (MSSM). We discuss the Higgs phenomenology and also the pattern of soft supersymmetry breaking parameters allowing the correct electroweak symmetry breaking within the μ-color model, which have qu...
We examine unification of gauge couplings in four dimensional renormalizable gauge theories inspired by the latticized (deconstructed) SM or MSSM in five dimensions. The models are based on replicated gauge groups, spontaneously broken to the diagonal subgroup. The analysis is performed at one-loop level, with the contribution from the heavy vector bosons included, and compared with the analogo...
The theoretical predictions in the MSSM for Higgs-boson production at a future ee Linear Collider and Higgs-boson decay processes are discussed focusing in particular on recent diagrammatic two-loop results in the MSSM Higgs sector. The present status of the theoretical predictions is briefly summarized, and it is emphasized that considerable improvements will be necessary in order to match the...
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