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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 presents the first experimental results from the Fermilab Muon g-2 Experiment, a precision measurement of the positive muon's anomalous magnetic moment. The measurement was achieved through detection of high-energy positrons from muon decay, which encode the difference frequency between spin-precession and cyclotron frequencies in a calibrated magnetic storage ring. This represents a significant advance in fundamental physics precision measurement, though it falls outside the scope of agricultural and food systems research.

UK applicability

This paper has no direct applicability to UK agricultural, soil health, food systems, or nutrition research. It is fundamental particle physics research conducted at a United States national laboratory.

Key measures

Positive muon magnetic anomaly (aμ = (g-2)/2); spin-precession frequency; cyclotron frequency; measurement precision to 0.46 ppm

Outcomes reported

The study reported the first results from Fermilab's Muon g-2 Experiment, measuring the positive muon magnetic anomaly (aμ) to a precision of 0.46 ppm by determining two angular frequencies: the spin-precession frequency and cyclotron frequency of polarized muons in a magnetic storage ring.

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
BFmou2m7ou-u3muqs

Topic tags

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