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Transverse muon polarization in $K^+\to\mu^+\nu_\mu\gamma$ : scanning over the Dalitz plot
2003
European Physical Journal C: Particles and Fields
We study the potential of the measurement of the transverse muon polarization P_T in the K->mu nu gamma decay with the sensitivity of δ P_T 10^-4. It is shown that the forthcoming experiment can measure the contribution of the electromagnetic final state interactions to P_T that gives a possibility to unambiguously determine the signs of the sum of the kaon form factors F_V and F_A even without fixing their difference. We also estimate the sensitivity of this experiment to the new physics,
doi:10.1140/epjc/s2003-01297-x
fatcat:bvg5hgv5prbozcd6jqt4hobrwy