Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Measurement of the Positive Muon Anomalous Magnetic Moment to 0.46 ppm

B. Abi, T. Albahri, S. Al-Kilani, D. Allspach, L. P. Alonzi, A. Anastasi, A. V. Anisenkov, F. Azfar, K. Badgley, S. Baeßler, I. Bailey, V. A. Baranov, E. Barlas-Yucel, T. Barrett, E. Barzi, A. Basti, F. Bedeschi, Andrew Behnke, Martin Berz, Meghna Bhattacharya, H. P. Binney, R. Bjorkquist, P. Bloom, J. Bono, E. Bottalico, T. J. V. Bowcock, D. Boyden, G. Cantatore, R. M. Carey, John L. Carroll, B. C. K. Casey, D. Cauz, S. Ceravolo, R. Chakraborty, S. P. Chang, A. Chapelain, S. Chappa, S. Charity, R. T. Chislett, J. Choi, Z. Chu, T. E. Chupp, M. E. Convery, Alexander Conway, G. Corradi, S. Corrodi, L. Cotrozzi, J. Crnkovic, С.Б. Дабагов, Patrick M. De Lurgio, P. T. Debevec, S. Di Falco, P. Di Meo, G. Di Sciascio, R. Di Stefano, B. Drendel, A. Driutti, V. N. Duginov, M. Eads, N. Eggert, Aaron Epps, J. Esquivel, M. Farooq, R. Fatemi, C. Ferrari, M. Fertl, Andrew J. Fiedler, A. T. Fienberg, A. Fioretti, D. Flay, S. B. Foster, H. Friedsam, E. Frlež, N. S. Froemming, J. R. Fry, C. D. Fu, C. Gabbanini, M. D. Galati, S. Ganguly, A. Garcı́a, D. Gastler, J. George, L. Gibbons, A. Gioiosa, K. L. Giovanetti, P. Girotti, W. Gohn, T. P. Gorringe, J. Grange, S. Grant, F. Gray, Selçuk Hacıömeroğlu, D. Hahn, T. Halewood-leagas, D. Hampai, F. Han, E. Hazen, J. Hempstead, S. Henry, A. T. Herrod

Physical Review Letters · 2021

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Summary

This paper presents the inaugural results from the Fermilab Muon g-2 Experiment, a high-precision measurement of the positive muon's magnetic anomaly using a storage ring technique. The experiment determines the anomaly by measuring two angular frequencies with exceptional precision (0.46 ppm), leveraging the intensity modulation of high-energy positrons produced by muon decay. This work contributes to fundamental particle physics and testing of the Standard Model.

UK applicability

This fundamental physics research has no direct application to UK farming systems, soil health, nutrient density, or agricultural practice. It is outside the scope of Vitagri's Pulse Brain.

Key measures

Muon magnetic anomaly (a_μ); spin-precession frequency; cyclotron frequency; positron decay intensity variation; storage ring magnetic field (via nuclear magnetic resonance probes)

Outcomes reported

The study reports the first results from the Fermilab Muon g-2 Experiment, measuring the positive muon magnetic anomaly through precision measurement of spin-precession and cyclotron frequencies in a magnetic storage ring. The measurement achieved 0.46 ppm precision by analysing intensity variation of high-energy positrons from muon decays.

Theme
Measurement & metrics
Subject
Other / interdisciplinary
Study type
Research
Study design
Laboratory experiment
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Laboratory / in vitro
DOI
10.1103/physrevlett.126.141801
Catalogue ID
BFmowc24t9-68qa9c

Topic tags

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