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Dispersive calculation of B-7((3/2)) and B-8((3/2)) in the chiral limit
Isospin vector the current spectrum function the dispersion analysis vacuum polarization spectral function
2014/12/22
We show how the isospin vector and axialvector current spectral functions V,3 and A,3 can be used to determine in leading chiral order the low energy constants B(3/2) 7 and B(3/2) 8 . This is accomp...