Measurements of energy correlations ine + e −→hadrons

Bartel, W. and Finch, Alexander (1984) Measurements of energy correlations ine + e −→hadrons. Zeitschrift für Physik C Particles and Fields, 25 (3). pp. 231-239. ISSN 0170-9739

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Abstract

Energy-energy-correlations (EEC) have been measured with the JADE detector at c.m. energies of 14 GeV, 22 GeV and in the region 29 GeV<E cm<36 GeV. Corrected results are presented of EEC and their asymmetry, which can be directly compared to theoretical predictions. At 〈E cm〉=34 GeV a comparison with second order QCD predictions yields good agreement for the string model fragmentation resulting in a value of the strong coupling constant α s =0.165±0.01 (stat.). The independent fragmentation models, which yield values of α s between 0.10 and 0.15 depending on the treatment of energy and momentum conservation and of the gluon splitting, do not provide a satisfactory description of the data over the full angular range.

Item Type:
Journal Article
Journal or Publication Title:
Zeitschrift für Physik C Particles and Fields
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
ID Code:
63842
Deposited By:
Deposited On:
01 May 2013 15:16
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:25