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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 reports the first results from the Fermilab Muon g-2 Experiment, presenting precision measurements of the positive muon's anomalous magnetic moment to 0.46 ppm. The measurement encodes the difference between spin-precession and cyclotron frequencies for polarized muons confined in a calibrated magnetic storage ring, detected through intensity variations of high-energy positrons from muon decays. The work contributes to fundamental tests of the Standard Model of particle physics through ultra-precise electromagnetic measurements.

UK applicability

This fundamental physics research has no direct applicability to UK farming systems, soil health, nutrient density or food systems. It may have indirect relevance only insofar as advances in precision measurement techniques can eventually inform agricultural analytical methods, but this is remote.

Key measures

Positive muon anomalous magnetic moment (aμ); precision measurement at 0.46 ppm; spin-precession frequency; cyclotron frequency; nuclear magnetic resonance calibration of storage ring magnetic field

Outcomes reported

The study measured the positive muon anomalous magnetic moment (aμ) to a precision of 0.46 parts per million using high-energy positron decay intensity variations from polarized muons in a magnetic storage ring at Fermilab.

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
BFmovi1vp6-puvlds

Topic tags

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