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15 papers · 2 filters
Higher-Order Corrected Higgs Bosons in FeynHiggs 2.5
T. Hahn, S. Heinemeyer, W. Hollik +3
Large higher-order corrections enter the Higgs boson sector of the MSSM via Higgs-boson self-energies. Their effects have to be taken into account for the correct treatment of loop…
Testing the MSSM with the Mass of the W Boson
S. Heinemeyer, W. Hollik, D. Stockinger +2
We review the currently most accurate evaluation of the W boson mass, M_W, in the Minimal Supersymmetric Standard Model (MSSM). It consists of a full one-loop calculation, includin…
On Symmetric Lepton Mixing Matrices
Kathrin A. Hochmuth, Werner Rodejohann
Contrary to the quark mixing matrix, the lepton mixing matrix could be symmetric. We study the phenomenological consequences of this possibility. In particular, we find that symmet…
Axions - Motivation, limits and searches
Georg G. Raffelt
The axion solution of the strong CP problem provides a number of possible windows to physics beyond the standard model, notably in the form of searches for solar axions and for gal…
Vanishing chiral couplings in the large-N_C resonance theory
Jorge Portoles, Ignasi Rosell, Pedro Ruiz-Femenia
The construction of a resonance theory involving hadrons requires implementing the information from higher scales into the couplings of the effective Lagrangian. We consider the la…
Two-Loop Ultrasoft Running of the O(v^2) QCD Quark Potentials
Andre H. Hoang, Maximilian Stahlhofen
The two-loop ultrasoft contributions to the next-to-leading logarithmic (NLL) running of the QCD potentials at order v^2 are determined. The results represent an important step tow…