DocumentCode
2747516
Title
Fine structure constant derived from the electron g-2 with the QED theory up to the tenth-order
Author
Kinoshita, Toichiro
Author_Institution
Lab. for Elementary Particle Phys., Cornell Univ., Ithaca, NY, USA
fYear
2012
fDate
1-6 July 2012
Firstpage
242
Lastpage
243
Abstract
This paper reports an improved value of the fine structure constant α derived from the measurement of the electron magnetic moment and the theoretical calculation in QED up to the tenth order. The preliminary result of the new evaluation is α-1 (new) = 137.035 999 173 3 (344) [0.251 ppb].
Keywords
constants; elementary particle magnetic moment; fine structure; quantum electrodynamics; QED theory; electron g-2; electron magnetic moment; fine structure constant; Electrodynamics; Elementary particles; Laboratories; Magnetic moments; Measurement uncertainty; Standards; Uncertainty; Measurement uncertainty; anomalous magnetic moment; electron; fine structure constant; precision measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements (CPEM), 2012 Conference on
Conference_Location
Washington, DC
ISSN
0589-1485
Print_ISBN
978-1-4673-0439-9
Type
conf
DOI
10.1109/CPEM.2012.6250892
Filename
6250892
Link To Document