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arxiv: 1901.10346 · v2 · pith:WZJUYXRInew · submitted 2019-01-29 · ✦ hep-ph · hep-ex

The hadronic light-by-light contribution to the muon's anomalous magnetic moment

classification ✦ hep-ph hep-ex
keywords hadronicanomalouscontributionexperimentallight-by-lightmagneticmomentmuon
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In view of the current 3 - 4 $\sigma$ deviation between theoretical and experimental values for the muon's anomalous magnetic moment, we review the ongoing efforts in constraining the hadronic light-by-light contribution to $a_\mu$ by using dispersive techniques combined with a dedicated experimental program to obtain the required hadronic input.

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