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Article
Report number hep-ex/9708020 ; CERN-PPE-97-086 ; CERN-PPE-97-86 ; CERN-PPE-97-086
Title Measurement of the quark to photon fragmentation function through the inclusive production of prompt photons in hadronic Z0Z0 decays
Author(s) OPAL Collaboration  Mostra tots els 339 autors
Publication 1998
Imprint 17 Jul 1997
Number of pages 24
Note Comments: 23 pages, LaTeX, 6 eps figures included, submitted to Zeit. Phys. C
Comments: 23 pages, LaTeX, 6 eps figures included, submitted to Zeit. Phys. C
In: Eur. Phys. J. C 2 (1998) 39-48
DOI 10.1007/s100520050122
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LEP ; OPAL
Abstract The inclusive production of prompt photons with energy above 10 GeV is measured using the OPAL detector in hadronic Z^0 decays at LEP. In contrast to previous measurements, the prompt photons were not required to be isolated. The production rate and energy spectrum are found to be in agreement with QCD predictions for the quark-to-photon fragmentation function.



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