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Precise measurement of the positive muon anomalous magnetic moment |
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| Authors: | Brown H N Bunce G Carey R M Cushman P Danby G T Debevec P T Deile M Deng H Deninger W Dhawan S K Druzhinin V P Duong L Efstathiadis E Farley F J Fedotovich G V Giron S Gray F Grigoriev D Grosse-Perdekamp M Grossmann A Hare M F Hertzog D W Hughes V W Iwasaki M Jungmann K Kawall D Kawamura M Khazin B I Kindem J Krienen F Kronkvist I Larsen R Lee Y Y Logashenko I McNabb R Meng W Mi J Miller J P Morse W M Nikas D Onderwater C J Orlov Y Ozben C S Paley J M Polly C Pretz J Prigl R zu Putlitz G Redin S I Rind O Roberts B L Ryskulov N Sedykh S Semertzidis Y K Shatunov Y M Sichtermann E P Solodov E |
| Institution: | Department of Physics, Boston University, Massachusetts 02215, USA. |
| Abstract: | A precise measurement of the anomalous g value, a(mu) = (g-2)/2, for the positive muon has been made at the Brookhaven Alternating Gradient Synchrotron. The result a(mu+) = 11 659 202(14) (6) x 10(-10) (1.3 ppm) is in good agreement with previous measurements and has an error one third that of the combined previous data. The current theoretical value from the standard model is a(mu)(SM) = 11 659 159.6(6.7) x 10(-10) (0.57 ppm) and a(mu)(exp) - a(mu)(SM) = 43(16) x 10(-10) in which a(mu)(exp) is the world average experimental value. |
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