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MEASUREMENT OF THE STRONG COUPLING CONSTANT-ALPHA-S FROM A STUDY OF W BOSONS PRODUCED IN ASSOCIATION WITH JETS

Abstract:
The UA2 experiment at the CERN pp Collider has identified a total sample of 251 W→eν events. Among this sample 221 events are found without jets and 29 with one jet. The yield of one-jet events relative to that of zero-jet events provides a measurement of the strong coupling constant: αs(Mw2)=0.13±0.03(stat) ±0.03±(syst1)±0.02(syst2), where syst1 represents the experimental systematic error and syst2 is an estimate of the theoretical uncertainty. © 1988.
Publication status:
Published

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Journal:
PHYSICS LETTERS B
Volume:
215
Issue:
1
Pages:
175-185
Publication date:
1988-12-08
DOI:
ISSN:
0370-2693
URN:
uuid:3fa66ba7-7ffc-4481-a24b-7e02a50aa811
Source identifiers:
4249
Local pid:
pubs:4249
Language:
English

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