The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm
Open accessAbstract
We present the first results of the Fermilab National Accelerator Laboratory (FNAL) Muon g-2 Experiment for the positive muon magnetic anomaly a_{μ}≡(g_{μ}-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 ω_{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 ω[over ˜]_{p}^{'} in a spherical water sample at 34.7 °C. The ratio ω_{a}/ω[over ˜]_{p}^{'}, together with known fundamental constants, determines a_{μ}(FNAL)=116 592 040(54)×10^{-11} (0.46 ppm). The result is 3.3 standard deviations greater than the standard model prediction and is in excellent agreement with the previous Brookhaven National Laboratory (BNL) E821 measurement. After combination with previous measurements of both μ^{+} and μ^{-}, the new experimental average of a_{μ}(Exp)=116 592 061(41)×10^{-11} (0.35 ppm) increases the tension between experiment and theory to 4.2 standard deviations.
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Precise Measurement of the Positive Muon Anomalous Magnetic Moment
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Measurement of the running of the QED couplingin small-angle Bhabha scattering at LEP
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Metadata
- Authors
- Bennett, G. W., Bousquet, B., Brown, H. N., Bunce, G., Carey, R. M., Cushman, P., Danby, G. T., Debevec, P. T., Deile, M., Deng, H., Dhawan, S. K., Druzhinin, V. P., Duong, L., Farley, F. J. M., Fedotovich, G. V., Gray, F. E., Grigoriev, D., Grosse-Perdekamp, M., Grossmann, A., Hare, M. F., Hertzog, D. W., Huang, X., Hughes, V. W., Iwasaki, M., Jungmann, K., Kawall, D., Khazin, B. I., Krienen, F., Kronkvist, I., Lam, A., Larsen, R., Lee, Y. Y., Logashenko, I., McNabb, R., Meng, W., Miller, J. P., Morse, W. M., Nikas, D., Onderwater, C. J. G., Orlov, Y., Özben, C. S., Paley, J. M., Peng, Q., Polly, C. C., Pretz, J., Prigl, R., zu Putlitz, G., Qian, T., Redin, S. I., Rind, O., Roberts, B. L., Ryskulov, N., Semertzidis, Y. K., Shagin, P., Shatunov, Y. M., Sichtermann, E. P., Solodov, E., Sossong, M., Sulak, L. R., Trofimov, A., von Walter, P., & Yamamoto, A.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2004-04-23
- Volume
- 92
- Issue
- 16
- Pages
- 141801-141801
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2122122046
- Cited by
- 855
- References
- 26
- FWCI
- 50.80
- Type
- journal article
- Language
- en
- Open access
- green
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- Bennett, G. W., Bousquet, B., Brown, H. N., Bunce, G., Carey, R. M., Cushman, P., Danby, G. T., Debevec, P. T., Deile, M., Deng, H., Dhawan, S. K., Druzhinin, V. P., Duong, L., Farley, F. J. M., Fedotovich, G. V., Gray, F. E., Grigoriev, D., Grosse-Perdekamp, M., Grossmann, A., . . . Yamamoto, A. (2004). Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm. Physical Review Letters. https://doi.org/10.1103/physrevlett.92.161802
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