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Peer-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, Elia 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, Daniel 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

We present the first results of the Fermilab National Accelerator Laboratory (FNAL) Muon g -2 Experiment for the positive muon magnetic anomaly a g -2=2. The anomaly is determined from the precision measurements of two angular frequencies. Intensity variation of high-energy positrons from muon decays directly encodes the difference frequency a between the spin-precession and cyclotron frequencies for polarized muons in a magnetic storage ring. The storage ring magnetic field is measured using nuclear magnetic resonance probes calibrated in terms of the equivalent proton spin precession frequency 0

Source type
Peer-reviewed study
DOI
10.1103/physrevlett.126.141801
Catalogue ID
BFmobghvmf-ok4j9e
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