Erratum to: “The quadratic scalar radius of the pion and the mixed π–K radius”
نویسندگان
چکیده
منابع مشابه
The quadratic scalar radius of the pion and the mixed π − K radius *
We consider the quadratic scalar radius of the pion, r 2 S,π , and the mixed K − π scalar radius, r 2 S,Kπ. With respect to the second, we point out that the more recent (post-1974) experimental results in K l3 decays imply a value, r 2 S,Kπ = 0.31 ± 0.06 fm 2 , which is about 2 σ above estimates based on chiral perturbation theory. On the other hand, we show that this value of r 2 S,Kπ suggest...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2004
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2004.03.001