DOES R(B) IN MSM DEVIATE FROM THE DATA

Authors
XIAO ZJ WAN LD LU GR WANG XL
Citation
Zj. Xiao et al., DOES R(B) IN MSM DEVIATE FROM THE DATA, Journal of physics. G, Nuclear and particle physics, 21(2), 1995, pp. 167-172
Citations number
30
Categorie Soggetti
Physics, Particles & Fields","Physics, Nuclear
Journal title
Journal of physics. G, Nuclear and particle physics → ACNP
ISSN journal
09543899
Volume
21
Issue
2
Year of publication
1995
Pages
167 - 172
Database
ISI
SICI code
0954-3899(1995)21:2<167:DRIMDF>2.0.ZU;2-F
Abstract
In this paper we compare the MSM predictions for Z-boson decay widths and the relevant ratios with new LEP data. We find that, among the par ameters studied here, only the measured value of R(b) exceeds that pre dicted in MSM by more than two standard deviations for m(t) = 174 +/- 16 GeV.