Brandelik, R et al. (1980) Comparison of e+e− annihilation with QCD and determination of the strong coupling constant. Physics Letters B, 94 (3). pp. 437-443. ISSN 0370-2693Metadata only available from this repository.
We have analyzed 1113 events of the reaction e+e− → hadrons at CM energies of 12 and 30 GeV in order to make a detailed comparison with QCD. Perturbative effects can be well separated from effects depending on the quark and gluon fragmentation parameters to yield a reliable measurement of the coupling constant αS. At 30 GeV, the result is αS = 0.17 ± 0.02 (statistical) ± 0.03 (systematic). QCD model predictions, using the fragmentation parameters determined along with αS, agree with both gross properties of the final states and with detailed features of the three-jet states.
|Subjects:||Q Science > QC Physics|
|Schools:||School of Applied Sciences|
|Depositing User:||Sharon Beastall|
|Date Deposited:||18 Mar 2011 09:33|
|Last Modified:||23 Mar 2011 11:45|
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