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Quark structure of hadrons and high energy collisions | | J. Nyiri
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12 Jul 2002 | | Journal: | Int.J.Mod.Phys. A18 (2003) 2403-2458 | | Subject: | hep-ph | | Abstract: | There exists a large field for phenomenological models in which the knowledge of the structure of hadrons in terms of QCD constituents obtained from deep inelastic scatterings is related to their behaviour in soft processes. One of the simplest and oldest models is the additive quark model, with the rules of quark statistics following from it. Originally, the relations of quark combinatorics for hadron yields were based on the qualitative description of a multiparticle production process as a process of the production of non-correlated quarks and antiquarks followed by their subsequent fusion into hadrons [20],[21]. As a large amount of new precision measurements appear, and, on the other hand, our understanding of QCD becomes deeper, a new level of understanding of quark-gluon physics in the region of soft interactions forces us to review the relations of quark combinatorics. To do so, an especially good possibility is provided by the experimental data for hadronic Z^0 decays which allow us to check the relations of quark combinatorics for a new type of processes: quark jets in the decays Z^0 -> qar{q} -> hadrons [32]. | | Source: | arXiv, hep-ph/0207155 | | Services: | Forum | Review | PDF | Favorites | |
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