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A Determination of the strong coupling constant alpha-s from W production at the CERN p anti-p collider

The UA2 collaboration Alitti, J. ; Ambrosini, G. ; Ansari, R. ; et al.
Phys.Lett.B 263 (1991) 563-572, 1991.
Inspire Record 315374 DOI 10.17182/hepdata.29394

The large sample of W→eν events collected by the UA2 experiment at the CERN pp̄ collider between 1988 and 1990 has been used to determine the strong coupling constant α s . From a measurement of the ratio of the production rate of W events with one jet to that with no jets, α s has been extracted to second order in the MS ̄ scheme: α s (M 2 w )=0.123±0.0.18( stat .)±0.017 ( syst .) .

1 data table
Table 1

ALP_S extracted to second order in the MSbar scheme.