/ Phenomenology-HEP arXiv:0704.2675

The Isospin symmetry breaking effects in K(e4) decays

Gevorkyan, S.R. (Dubna, JINR) ; Sissakian, A.N. (Dubna, JINR) ; Tarasov, A.V. (Dubna, JINR) ; Torosyan, H.T. (Dubna, JINR) ; Voskresenskaya, O.O. (Dubna, JINR)

Published in: Phys.Atom.Nucl.
Year: 2010
Vol.: 73
Page No: 961
Pages: 6

Abstract: The Fermi-Watson theorem is generalized to the case of two coupled channels with different masses and applied to final state interaction in $K_{e4}$ decays. The impact of considered effect on the phase of the $\pi\pi$ scattering is estimated and shown that it can be crucial for scattering lengths extraction from experimental data on $K_{e4}$ decays.

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 Record created 2010-10-29, last modified 2014-01-30

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