Muon (g-2) : Renormalization at Work, All the Way Down to the Weak Scale(YUKAWA-TOMONAGA CENTENNIAL SYMPOSIUM Progress in Modern Physics)

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概要

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• The anomalous magnetic moment of the muon, a_μ, which is related to the spin g-factor by a_μ = (g_μ-2)/2, has played a special role in the development of the standard model of particle physics. Because the anomaly of a point lepton results solely from radiative corrections, it has been at the center of the development of quantum electrodynamics, and of the standard model since the first observation of muon spin rotation and parity violation in muon decay. In the standard model, a_μ has contributions from radiative corrections: from quantum electrodynamics; from strongly interacting particles in vacuum polarization loops with quantum numbers that couple to the photon; and from the electroweak gauge bosons. In principle, non-standard model particles could contribute as well, for example the supersymmetric partners of the electroweak bosons, if they exist. The history and the present status of both the theoretical and experimental values of the muon's anomalous magnetic moment are reviewed.

• 理論物理学刊行会の論文
• 2008-01-30

著者

• Roberts B.

  Department Of Physics Boston University

• ROBERTS B.

  Department of Physics, Boston University

関連論文

• Muon (g-2) : Renormalization at Work, All the Way Down to the Weak Scale(YUKAWA-TOMONAGA CENTENNIAL SYMPOSIUM Progress in Modern Physics)

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