Precise measurement of the positive muon anomalous magnetic moment


Brown H., BUNCE G., CAREY R., CUSHMAN P., DANBY G., DEBEVEC P., ...More

PHYSICAL REVIEW LETTERS, vol.86, no.11, pp.2227-2231, 2001 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 86 Issue: 11
  • Publication Date: 2001
  • Doi Number: 10.1103/physrevlett.86.2227
  • Title of Journal : PHYSICAL REVIEW LETTERS
  • Page Numbers: pp.2227-2231

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.