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Three jet events arising from decays of the Z boson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b quark jets. Unbiased quark jets came from events with two jets plus one photon. Quark and gluon jet properties in different energy ranges were compared for the(More)
Results of an experimental study of the reaction e + e ? ! e + e ? + hadrons are presented. The data have been obtained by the DELPHI detector at LEP1 and LEP2. They have been compared to Monte Carlo predictions including contributions described by the vector meson dominance model, the quark parton model and the hard scattering of the partonic constituents(More)
The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in e + e ? collisions at LEP. As in deep inelastic scattering, these data are important for tests of QCD. The transverse T and longitudinal L components of the total hadronic cross section tot are evaluated from the(More)
Three-phase power factor correctors exist in a wide variety. A large step in improving the education on this important field is accomplished by integrating a detailed cognitive part (all circuit structures, basic properties, operation) and a practical part (mathematical analysis, structural synthesis, design, simulation) into an Microsoftcopy Accessreg(More)
The spin density matrix elements for the 0 , K 0 (892) and produced in hadronic Z 0 decays are measured in the DELPHI detector. There is no evidence for spin alignment of the K 0 (892) and in the region x p 0:3 (x p = p=p beam), where 00 = 0:330:05 and 00 = 0:300:04, respectively. In the fragmentation region, x p 0:4, there is some indication for spin(More)
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