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ϱ → 4π in chirally symmetric models

Plant, R. S. ORCID: and Birse, M. C. (1996) ϱ → 4π in chirally symmetric models. Physics Letters B, 365 (1-4). pp. 292-296. ISSN 0370-2693

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To link to this item DOI: 10.1016/0370-2693(95)01273-7


The decays rho0 → 2π+2π− and rho0 → 2π0π+π− are studied using various effective Lagrangians for π and rho (and in some case a1) mesons, all of which respect the approximate chiral symmetry of the strong interaction. Partial widths of the order of 1 keV or less are found in all cases. These are an order of magnitude smaller than recent predictions based on non-chiral models.

Item Type:Article
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
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ID Code:16587


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