Journal
PHYSICS LETTERS B
Volume 568, Issue 1-2, Pages 48-54Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2003.06.007
Keywords
-
Ask authors/readers for more resources
An independent result for the two loop fermionic contributions to the muon lifetime in the Standard Model is obtained and slight deviations in the prediction of the W boson mass are found with respect to [Phys. Lett. B 495 (2000) 338; Nucl. Phys. B 632 (2002) 189]. Supplied with the bosonic contributions from [Phys. Rev. Lett. 89 (2002) 241801; hep-ph/0211041; Phys. Lett. B 551 (2003) 111; hep-ph/0209084], the shift, due to the complete electroweak contributions, varies from -2.4 to -0.6 Mev Additionally, a new test of the matching procedure defining the Fermi constant is presented, which uses fermion masses as infrared regulators. (C) 2003 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available