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Quark and gluon jet properties in symmetric three jet events

Buskulic, D. and Finch, Alexander (1996) Quark and gluon jet properties in symmetric three jet events. Physics Letters B, 384 (1-4). pp. 353-364. ISSN 0370-2693

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Abstract

Quark and gluon jets with the same energy, 24 GeV, are compared in symmetric three-jet configurations from hadronic Z decays observed by the ALEPH detector. Jets are defined using the Durham algorithm. Gluon jets are identified using an anti-tag on b jets, based on a track impact parameter method. The comparison of gluon and mixed flavour quark jets shows that gluon jets have a softer fragmentation function, a larger angular width and a higher particle multiplicity, Evidence is presented which shows that the corresponding differences between gluon and b jets are significantly smaller. In a statistically limited comparison the multiplicity in c jets was found to be comparable with that observed for the jets of mixed quark flavour.

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64057
Deposited By: ep_importer_pure
Deposited On: 14 May 2013 14:51
Refereed?: Yes
Published?: Published
Last Modified: 24 Nov 2017 05:14
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64057

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