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Contributions to the Muon's Anomalous Magnetic Moment from a Hidden Sector

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arxiv 0912.1076 v1 pith:YGHKBXYU submitted 2009-12-06 hep-ph

Contributions to the Muon's Anomalous Magnetic Moment from a Hidden Sector

classification hep-ph
keywords anomalousmagneticmodelmomentmuonstandardhiddensector
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The measurement of the anomalous magnetic moment of the muon provides a stringent test of the standard model and of any physics that lies beyond it. There is currently a deviation of $3.1\sigma$ between the standard model prediction for the muon's anomalous magnetic moment and its experimental value. We calculate the contribution to the anomalous magnetic moment in theories where the muon couples to a particle in a hidden sector (that is, uncharged under the standard model) and a connector (which has nontrivial standard model gauge and hidden sector quantum numbers).

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