New measurement of the anomalous magnetic moment of the positive muon

Carey, R. M.; Earle, W.; Efstathiadis, E.; Hare, M. F.; Hazen, E. S.; Hughes, B. J.; Krienen, F.; Miller, J. P.; Monich, V.; Ouyang, J.; Rind, O.; Roberts, B. L.; Sulak, L. R.; Trofimov, A.; Varner, G.; Worstell, W. A.; Benedict, E.; Logashenko, I.; Benante, J.; Brown, H. N.; Bunce, G.; Cullen, J.; Danby, G. T.; Geller, J.; Hseuh, H.; Jackson, J. W.; Jia, L.; Kochis, S.; Larsen, R.; Lee, Y. Y.; Mapes, M.; Meng, W.; Morse, W. M.; Pai, C.; Pearson, C.; Polk, I.; Prigl, R.; Rankowitz, S.; Sandberg, J.; Semertzidis, Y. K.; Shutt, R.; Snydstrup, L.; Soukas, A.; Stillman, A.; Tallerico, T.; Tanaka, M.; Toldo, F.; von Lintig, D.; Warburton, D.; Woodle, K.; Chertovskikh, A.; Druzhinin, V. P.; Fedotovich, G. V.; Grigorev, D. N.; Golubev, V. B.; Khazin, B. I.; Maksimov, A.; Merzliakov, Yu.; Ryskulov, N.; Serednyakov, S.; Shatunov, Yu. M.; Solodov, E.; Orlov, Y.; Winn, D.; Grossmann, A.; Gerhaeuser, J.; Jungmann, K.; von Walter, P.; zu Putlitz, G.; Bunker, B.; Deninger, W.; Debevec, P. T.; Hertzog, D. W.; Jones, T. D.; Polly, C.; Sedykh, S.; Urner, D.; Haeberlen, U.; Endo, K.; Hirabayashi, H.; Kurokawa, S.; Yamamoto, A.; Green, M. A.; Cushman, P.; Kindem, J.; Duong, L.; Giron, S.; McNabb, R.; Miller, D.; Timmermans, C.; Zimmerman, D.; Mizumachi, Y.; Iwasaki, M.; Ahn, H. E.; Deng, H.; Dhawan, S. K.; Disco, A.; Farley, F. J. M.; Fei, X.; Grosse-Perdekamp, M.; Hughes, V. W.; Kawall, D.; Redin, S. I.; Steinmetz, A.

doi:10.1103/PhysRevLett.82.1632

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New measurement of the anomalous magnetic moment of the positive muon

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Haeberlen, U.
Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society;

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Carey, R. M., Earle, W., Efstathiadis, E., Hare, M. F., Hazen, E. S., Hughes, B. J., et al. (1999). New measurement of the anomalous magnetic moment of the positive muon. Physical Review Letters, 82(8), 1632-1635. doi:10.1103/PhysRevLett.82.1632.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-AA17-B

Abstract

The muon anomalous magnetic moment has been measured in a new experiment at Brookhaven. Polarized muons were stored in a superferric ring, and the angular frequency difference, omegaa, between the spin precession and orbital frequencies was determined by measuring the time distribution of high-energy decay positrons. The ratio R of omegaa to the Larmor precession frequency of free protons, omegap, in the storage-ring magnetic field was measured. We find R = 3.707 220(48) 103. With /p = 3.183 345 47(47) this gives a+ = 1 165 925(15) 109 (13 ppm), in good agreement with the previous CERN measurements for + and and of approximately the same precision