A relation between the charge radii of π^{+},\K^{+},K^{o} derived by the general QCD parametrization

Details A relation between the charge radii of π^{+},\K^{+},K^{o} derived by the general QCD parametrization A relation between the charge radii of π^{+},\K^{+},K^{o} derived by the general QCD parametrization

2001-01-26

arxiv.org/abs/hep-ph/0101293v1

Europhys.Lett.54:35-37,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

latex,5 pages,no figures.To appear in Europhysics Letters [two typos in Abstract corrected]

Scientific paper

10.1209/epl/i2001-00224-x

We derive,using the general QCD parametrization,the approximate relation r^{2}(\pi^{+}) - r^{2}(K^(+)) approximately equal to -r^{2}(K^(o), where the r's are the charge radii.The relation is satisfied but the experimental errors are still sizeable.The derivation is similar to (but even simpler than) that for r^{2}(p) -r^{2}(n) approximately equal to r^{2}({\Delta})[Phys.Lett.B 448,107 (1999)].

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