Initial measurements of Z-boson resonance parameters in e+e- annihilation.

Abrams, GS; Adolphsen, CE; Aleksan, R; Alexander, JP; Allen, MA; Atwood, WB; Averill, D; Ballam, J; Bambade, P; Barish, BC; Barklow, T; Barnett, BA; Bartelt, J; Bethke, S; Blockus, D; Bonvicini, G; Boyarski, A; Brabson, B; Breakstone, A; Breidenbach, M; Brom, JM; Brown, JL; Brown, KL; Bulos, F; Burchat, PR; Burke, DL; Cence, RJ; Chapman, J; Chmeissani, M; Clendenin, J; Cords, D; Coupal, DP; Dauncey, P; de Boer W; Dean, NR; DeStaebler, HC; Dorfan, DE; Dorfan, JM; Drell, PS; Drewer, DC; Dydak, F; Ecklund, S; Elia, R; Erickson, RA; Fay, J; Feldman, GJ; Fernandes, D; Fieguth, TH; Field, RC; Fischer, GE; Ford, WT; Fordham, C; Frey, R; Fujino, D; Gan, KK; Gatto, C; Gero, E; Gidal, G; Glanzman, T; Goldhaber, G; Gomez Cadenas JJ; Gratta, G; Grindhammer, G; Grosse-Wiesmann, P

Initial measurements of Z-boson resonance parameters in e+e- annihilation.

Authors: GS Abrams
CE Adolphsen
R Aleksan
JP Alexander
MA Allen
WB Atwood
D Averill
J Ballam
P Bambade
BC Barish
T Barklow
BA Barnett
J Bartelt
S Bethke
D Blockus
G Bonvicini
A Boyarski
B Brabson
A Breakstone
M Breidenbach
JM Brom
JL Brown
KL Brown
F Bulos
PR Burchat
DL Burke
RJ Cence
J Chapman
M Chmeissani
J Clendenin
D Cords
DP Coupal
P Dauncey
de Boer W
NR Dean
HC DeStaebler
DE Dorfan
JM Dorfan
PS Drell
DC Drewer
F Dydak
S Ecklund
R Elia
RA Erickson
J Fay
GJ Feldman
D Fernandes
TH Fieguth
RC Field
GE Fischer
WT Ford
C Fordham
R Frey
D Fujino
KK Gan
C Gatto
E Gero
G Gidal
T Glanzman
G Goldhaber
Gomez Cadenas JJ
G Gratta
G Grindhammer
P Grosse-Wiesmann
Publication date: 1 August 1989
Publisher: eScholarship, University of California

Abstract

We have measured the mass of the Z boson to be 91.110.23 GeV/c2, and its width to be 1.61-0.43+0.60 GeV. If we constrain the visible width to its standard-model value, we find the partial width to invisible decay modes to be 0.620.23 GeV, corresponding to 3.81.4 neutrino species. © 1989 The American Physical Society

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