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Comment on H --> gamma gamma and the role of the decoupling theorem and the equivalence theorem
Fred Jegerlehner
I am commenting on the paper Gastmans, Wu and Wu, which recently obtained new support by a paper by Christova and Todorov, about a new calculation of the H --> gamma gamma rate med…
Electroweak effective couplings for future precision experiments
Fred Jegerlehner
The leading hadronic effects in electroweak theory derive from vacuum polarization which are non-perturbative hadronic contributions to the running of the gauge couplings, the elec…
Upgraded Breaking Of The HLS Model: A Full Solution to the tau-e+e- and phi Decay Issues And Its Consequences On g-2 VMD Estimates
M. Benayoun, P. David, L. DelBuono +1
The muon anomalous magnetic moment and the hadronic vacuum polarization are examined using data analyzed within the framework of a suitably broken HLS model. The analysis rel…
rho^0-gamma mixing in the neutral channel pion form factor |F_pi|^2 and its role in comparing e^+ e^- with tau spectral functions
Fred Jegerlehner, Robert Szafron
We study the effect of rho^0-gamma mixing in e^+e^- to pi^+pi^- and its relevance for the comparison of the square modulus of the pion from-factor |F^(e)_pi|^2, as measured in e^+e…