Anomalous couplings of vector bosons and the decay $H \longrightarrow γγ$: Dimensional regularization versus momentum cutoff

Details Anomalous couplings of vector bosons and the decay $H \longrightarrow γγ$: Dimensional regularization versus momentum cutoff Anomalous couplings of vector bosons and the decay $H \longrightarrow γγ$: Dimensional regularization versus momentum cutoff

1999-04-20

arxiv.org/abs/hep-ph/9904401v2

Czech.J.Phys.49:1471-1488,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 2 figures, accepted for publication in Czechoslovak Journal of Physics

Scientific paper

10.1023/A:1021162029323

As an illustration of general principles, the $W$-boson loop contribution to
the amplitude for the decay $H\to \gamma \gamma$ 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 $\Lambda$ are briefly discussed.

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