Pseudoscalar-pole contribution to the (gμ-2): A rational approach

Pere Masjuan, Pablo Sanchez-Puertas

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258 Citations (Scopus)


© 2017 American Physical Society. 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, aμHLbL;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 aμHLbL;P=94.3(5.3)×10-11, whose uncertainty is well below the one foreseen at future experiments measuring the (gμ-2).
Original languageEnglish
Article number054026
JournalPhysical Review D
Issue number5
Publication statusPublished - 1 Mar 2017


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