Final report on the CERN muon storage ring including the anomalous magnetic moment and the electric dipole moment of the muon, and a direct test of relativistic time dilation

doi:10.1016/0550-3213(79)90292-X

Nuclear Physics B

Volume 150, 1979, Pages 1-75

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Abstract

A comprehensive description of the muon storage ring and its operation is given, and the final results of the experiment are presented and discussed. The anomalous magnetic moments of positive and negative muons are found to be a_μ+ = 1165911(11) × 10⁻⁹ and a_μ⁻ = 1165937(12) × 10⁻⁹ giving an average value for muons of a_μ = 1165924(8.5) × 10⁻⁹. The electric dipole moments were also measured with the results D_μ+= (8.6 ± 4.5) × 10⁻⁹e · cm and D_μ⁻ = (0.8 ± 4.3) × 10⁻¹⁹e · cm. Under the assumption of the CPT theorem these yield a weighted average of D_μ = (3.7 ± 3.4) × 10⁻¹⁹e · cm. Finally the time transformation of special relativity is shown to be valid to (0.8 ± 0.7) × 10⁻³ at γ ≅ 29.3. All the errors quoted here are one standard deviation and contain both statistical and systematic effects.

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Final report on the CERN muon storage ring including the anomalous magnetic moment and the electric dipole moment of the muon, and a direct test of relativistic time dilation

Abstract

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