Abstract
Jet properties ine + e − annihilation at center of mass energies of 14, 22, 35 and 43.7 GeV were studied with the data collected in the TASSO detector at PETRA, using the same evaluation procedures for all the energies. The total hadronic cross section ratio for the center of mass energy interval 39–47 GeV was determined to be ℛ=4.11±0.05 (stat)±0.18(syst.) at\(\langle \sqrt s \rangle = 43 - 7\) GeV. Corrected distributions of global shape variables are presented as well as the inclusive charged particle distributions for scaled momentum and transverse momentum. The center of mass energy evolution of the average sphericity, thrust, aplanarity and particle momentum is shown.
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deceased
Supported by Bundesministerium für Forschung und Technologie
Supported by UK Science and Engineering Research Council
Supported by CAICYT
Supported by the Minerva Gesellschaft für Forschung GmbH
Supported by US Dept. of Energy, contract DE-AC02-76ER000881 and by US Nat. Sci. Foundation Grant number INT-8313994 for travel
Partially supported by grant CPBP 01.06
On leave at CERN, Geneva, Switzerland
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TASSO Collaboration., Braunschweig, W., Gerhards, R. et al. Global jet properties at 14–44 GeV center of mass energy ine + e − annihilation. Z. Phys. C - Particles and Fields 47, 187–198 (1990). https://doi.org/10.1007/BF01552339
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DOI: https://doi.org/10.1007/BF01552339