Improved bounds on the electromagnetic dipole moments of the tau lepton

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Abstract

Using electroweak data and an effective Lagrangian approach we obtain stringent bounds on the tau anomalous magnetic moment, -0.004 ≤ aτ ≤ 0.006, and on its electric dipole moment, |dτ| ≤ 1.1 × 10-17 e cm. This significantly improves our previous bounds. With the same method, we obtain limits on the dipole moments of other fermions. © 1997 Elsevier Science B.V.
Original languageEnglish
Pages (from-to)369-372
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume395
DOIs
Publication statusPublished - 13 Mar 1997

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