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ISSN - 03759474, Nuclear Physics A, 2003, vol. 721, p. 161c-170c

The muon anomalous magnetic moment and the standard model

Hertzog David W., Carey R. M., Efstathiadis E., Hare M. F., Huang X., Krienen F., Lam A., Logashenko I., Miller J. P., Paley J., Peng Q., Rind O., Roberts B. L., Sulak L. R., Trofimov A., Bennett G. W., Brown H. N., Bunce G., Danby G. T., Larsen R., Lee Y. Y., Meng W., Mi J., Morse W. M., Nikas D., Özben C., Prigl R., Semertzidis Y. K., Warburton D., Orlov Y., Grossmann A., zu Putlitz G., von Walter P., Debevec P. T., Deninger W., Gray F. E., Onderwater C. J G, Polly C., Sossong M., Urner D., Yamamoto A., Jungmann K., Bousquet B., Cushman P., Duong L., Giron S., Kindem J., Kronkvist I., McNabb R., Qian T., Shagin P., Druzhinin V. P., Fedotovich G. V., Grigoriev D., Khazin B. I., Ryskulov N. M., Shatunov Yu M., Solodov E., Iwasaki I., Deng H., Deile M., Dhawan S. K., Farley F. J M, Hughes V. W., Kawall D., Perdekamp M. Grosse, Pretz J., Redin S. I., Sichtermann E., Steinmetz A.

The muon anomalous magnetic moment measurement, when compared with theory, can be used to test many extensions to the standard model. The most recent measurement made by the Brookhaven E821 Collaboration reduces the uncertainty on the world average of aμ to 0.7 ppm, comparable in precision to theory. This paper describes the experiment and the current theoretical efforts to establish a correct standard model reference value for the muon anomaly.