Pseudoscalar-pole contribution to the : a rational approach
Jan 20, 201719 pages
Published in:
- Phys.Rev.D 95 (2017) 5, 054026
- Published: Mar 30, 2017
e-Print:
- 1701.05829 [hep-ph]
View in:
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Abstract: (APS)
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).Note:
- 19 pages, 7 figures
- muon: magnetic moment
- photon photon: scattering
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Figures(10)
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