Miroslav Stöhr

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As an illustration of general principles, theW -boson loop contribution to the amplitude for the decay H → γγ is calculated within a specific model for the effective lagrangian describing the anomalous gauge boson couplings. Different approaches to the dependence of the result on the scale of new physics Λ are briefly discussed. PACS numbers: 11.10;(More)
The phase diagram of oxygen adsorption on the W(110) surface is derived without any empirical parameters by a combination of density functional theory (DFT) calculations, the cluster expansion (CE) technique and Monte Carlo (MC) applications. Coverages up to 1 monolayer are considered corresponding to the range of oxygen concentrations, 0≤x(O)≤1. DFT(More)
A general analysis of the lowest-dimensional P-odd Z interaction is performed. It turns out that there are only two independent gauge invariant dimension-eight effective Lagrangians of such a type, similarly to the P-even case discussed earlier. It is shown, that such an eeective interaction is naturally induced, at the two-loop level, within an extension(More)
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