Abstract
An analysis of W and Z boson production at UA1, using 4.66 pb-1 of data from the 1988 and 1989 CERN pp Collider runs at s=0.63 TeV, yields R≡σWBr(W→μv)/σzBr (Z→μμ)=10.4-1.5+1.8stat.± 0.8(syst.) We find R=9.5-1.0+1.1(stat.+syst.) when combining all available UA1 data, in both the electron and muon channel, taken in the period 1983-1989. In the framework of the standard model, the value of R is used to infer the total width of the W boson, ΓWtot=2.18-0.24+0.26 (exp.)±0.04(theory) GeV/c2.
Original language | English (US) |
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Pages (from-to) | 503-510 |
Number of pages | 8 |
Journal | Physics Letters B |
Volume | 253 |
Issue number | 3-4 |
DOIs | |
State | Published - Jan 10 1991 |