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2-loop short-distance constraints for the HLbL
Johan Bijnens, Nils Hermansson-Truedsson, Laetitia Laub +1
The recent experimental measurement of the muon at Fermilab National Laboratory, at a tension with the Standard Model prediction, highlights the need for further impro…
Short-distance constraints for the longitudinal component of the hadronic light-by-light amplitude: an update
Gilberto Colangelo, Franziska Hagelstein, Martin Hoferichter +2
We reassess the impact of short-distance constraints for the longitudinal component of the hadronic light-by-light amplitude on the anomalous magnetic moment of the muon, $a_μ=(g-2…
The two-loop perturbative correction to the (g-2) HLbL at short distances
Johan Bijnens, Nils Hermansson-Truedsson, Laetitia Laub +1
The short-distance behaviour of the hadronic light-by-light (HLbL) contribution to has recently been studied by means of an operator product expansion in a background ele…