Identified Charged Particles in Quark and Gluon Jets

Abreu, P.;Cortina Gil, Eduardo;DELPHI Collaboration;et.al.
(2000) European Physical Journal C. Particles and Fields — Vol. 207, n° 2, p. 207-222 (2000)

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A sample of 2.2 million hadronic Z decays, selected from the data recorded by the Delphi detector at LEP during 1994-1995 was used for an improved measurement of inclusive distributions of pi+, K+ and p and their antiparticles in gluon and quark jets. The production spectra of the individual identified particles were found to be softer in gluon jets compared to quark jets, with a higher multiplicity in gluon jets as observed for inclusive charged particles. A significant proton enhancement in gluon jets is observed indicating that baryon production proceeds directly from colour objects. The maxima, xi^*, of the xi-distributions for kaons in gluon and quark jets are observed to be different.
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Abreu, P., Cortina Gil, E., DELPHI Collaboration, & et al. (2000). Identified Charged Particles in Quark and Gluon Jets. European Physical Journal C. Particles and Fields, 207(2), 207-222. https://doi.org/10.1007/s100520000449 (Original work published 2000)