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- Miroslav Stöhr
- 1999

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)

- Miroslav Stöhr, Raimund Podloucky, Sönke Müller
- Journal of physics. Condensed matter : an…
- 2009

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)

As an illustration of general principles, the W-boson loop contribution to the amplitude for the decay H ! is calculated within a speciic model for the eeective lagrangian describing the anomalous gauge boson couplings. Diierent approaches to the dependence of the result on the scale of new physics are brieey discussed.

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)

- Miroslav Stöhr
- 1996

We examine the contribution ofW boson loops to the amplitude of the process H −→ γγ within the dispersion relation approach, taking up an issue raised in this context recently. We show that the non-vanishing limit of the relevant formfactor for mW → 0 is due to a finite subtraction induced by the value of the corresponding trace anomaly. The argument can be… (More)

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