rpp2010-rev-free-quark-searches - This compilation is only...

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–1– FREE QUARK SEARCHES The basis for much of the theory of particle scattering and hadron spectroscopy is the construction of the hadrons from a set of fractionally charged constituents (quarks). A central but unproven hypothesis of this theory, Quantum Chromodynamics, is that quarks cannot be observed as free particles but are conFned to mesons and baryons. Experiments show that it is at best difficult to “unglue” quarks. Accelerator searches at increasing energies have pro- duced no evidence for free quarks, while only a few cosmic-ray and matter searches have produced uncorroborated events.
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Unformatted text preview: This compilation is only a guide to the literature, since the quoted experimental limits are often only indicative. Reviews can be found in Refs. 1–4. References 1. M.L. Perl, E.R. Lee, and D. Lomba, Mod. Phys. Lett. A19 , 2595 (2004). 2. P.±. Smith, Ann. Rev. Nucl. and Part. Sci. 39 , 73 (1989). 3. L. Lyons, Phys. Reports 129 , 225 (1985). 4. M. Marinelli and G. Morpurgo, Phys. Reports 85 , 161 (1982). CITATION: K. Nakamura et al. (Particle Data Group), JPG 37 , 075021 (2010) (URL: http://pdg.lbl.gov) July 30, 2010 14:34...
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This note was uploaded on 06/07/2011 for the course PHYS 4132 taught by Professor Kutter during the Spring '11 term at University of Florida.

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