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2014

Remarks on higher-order hadronic corrections to the muon g-2

Colangelo, Gilberto, Hoferichter, Martin, Nyffeler, Andreas et al.

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Recently, it was shown that insertions of hadronic vacuum polarization at O(alpha^4) generate non-negligible effects in the calculation of the anomalous magnetic moment of the muon.

This result raises the question if other hadronic diagrams at this order might become relevant for the next round of g-2 measurements as well.
In this note we show that a potentially enhanced such contribution, hadronic light-by-light scattering in combination with electron vacuum polarization, is already sufficiently suppressed.

Remarks on higher-order hadronic corrections to the muon g-2 · Around

Built on

B. E. Lautrup and E. De Rafael, Nucl. Phys. B 70
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M. Knecht and A. Nyffeler, Phys. Rev. D 65
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T. Kinoshita and M. Nio, Phys. Rev. D 70
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Earlier work this paper cites.

Similar

T. Kinoshita and M. Nio, Phys. Rev. D 73
Original
2006
Cited alongside, same era.
F. Jegerlehner and A. Nyffeler, Phys. Rept. 477
Original
2009
Cited alongside, same era.
K. Hagiwara, R. Liao, A. D. Martin, D. Nomura and T. Teubner, J. Phys. G 38
Original
2011
Cited alongside, same era.
A. Kurz, T. Liu, P. Marquard and M. Steinhauser, arXiv:1403.6400 [hep-ph]
Original
Cited in the paper.
G. Colangelo, M. Hoferichter, M. Procura and P. Stoffer, arXiv:1402.7081 [hep-ph]
Original
Cited in the paper.

Then

G. Venanzoni [Fermilab E989 Collaboration], Nucl. Phys. Proc. Suppl. 225-227
2012
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N. Saito [J-PARC g-2/EDM Collaboration], AIP Conf. Proc. 1467
2012
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J. Beringer et al
2012
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