Recent OPAL measurements in non-perturbative QCD
G. Giacomelli (Dipartimento di Fisica dell'Universita' di Bologna and, INFN, Sezione di Bologna)
TL;DR
This paper reports on OPAL experiment measurements of non-perturbative QCD phenomena in Z0 decays, including Bose-Einstein correlations, intermittency, spin alignments, and searches for tensor glueballs, providing insights into strong interaction dynamics.
Contribution
It presents new experimental analyses of non-perturbative QCD effects in e+e- collisions at LEP1 using OPAL data from 1991-1995, focusing on multiple phenomena.
Findings
Observation of Bose-Einstein correlations in multihadronic decays
Measurement of spin alignments of rho and omega mesons
No evidence found for the tensor glueball fj(2200)
Abstract
Using multihadronic Z0 decays recorded in 1991-1995 by the OPAL detector in e+e- collisions at LEP1, experimental analyses were made of the following subjects: (a) Bose-Einstein correlations; (b) Intermittency and correlations; (c) rho and omega spin alignments; (d) A search for the tensor glueball candidate fj(2200).
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research