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arXiv · 1701.05829

Pseudoscalar-pole contribution to the $(g_μ-2)$: a rational approach

Pere Masjuan·Pablo Sanchez-Puertas
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Abstract

We employ a mathematical framework based on rational approximants in order to calculate the pseudoscalar-pole piece of the hadronic light-by-light contribution to the anomalous magnetic moment of the muon, $a_μ^{\textrm{HLbL};P}$. The method is systematic and data based, profiting from over 13 different collaborations, and able to ascribe, for the first time, a systematic uncertainty which provides for the model independence. As a result, we obtain $a_μ^{\textrm{HLbL};P}=94.3(5.3) \times10^{-11}$, which uncertainty is well below the one foreseen at future experiments measuring the $(g_μ-2)$.

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Pere Masjuan, Pablo Sanchez-Puertas. 2017-01-20. Pseudoscalar-pole contribution to the $(g_μ-2)$: a rational approach. https://doi.org/10.1103/physrevd.95.054026

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