The dispersive two-photon contribution to the K_L --> mu+ mu- decay amplitude is analyzed, using chiral perturbation theory techniques and large-N_C considerations. A consistent description of the decays Pi^0 --> e+ e-, Eta --> mu+ mu- and K_L --> mu+ mu- is obtained. As a byproduct, one predicts Br(Eta --> e+ e-) = (4.4 +- 0.2) x 10^-9 and Br(K_L --> e+ e-) = (8.5+-0.4) x 10^-12
A measurement of the phase difference between the short- and long-distance contributions to the $${{...
From a leading-order calculation of K1(0) --> gamma*-gamma* --> l+ l- in chiral perturbation theory,...
A measurement of the phase difference between the short- and long-distance contributions to the [For...
The dispersive two-photon contribution to the K-L --> mu(+)mu(-) decay amplitude is analyzed, using ...
The dispersive two-photon contribution to the K-L --> mu(+)mu(-) decay amplitude is analyzed, using ...
A new analysis of the long-distance two-photon dispersive amplitude of K_L -> mu^+ mu^- is presented...
We present an updated analysis of the rare decay \(K_{\mathrm{L}} \rightarrow\pi^{0} \mu^{ + } \mu^{...
A measurement of the phase difference between the short- and long-distance contributions to the $B^{...
A measurement of the phase difference between the short- and long-distance contributions to the $B^+...
We report on the calculation of the two-loop electroweak, two-photon mediated short-distance dispers...
We report on the calculation of the two-loop electroweak, two-photon mediated short-distance dispers...
We use chiral symmetry to calculate the very long distance contributions to the KL–KS mass differenc...
We use chiral symmetry to calculate the very long distance contributions to the KL–KS mass differenc...
We use chiral symmetry to calculate the very long distance contributions to the KL–KS mass differenc...
We use chiral symmetry to calculate the very long distance contributions to the KL–KS mass differenc...
A measurement of the phase difference between the short- and long-distance contributions to the $${{...
From a leading-order calculation of K1(0) --> gamma*-gamma* --> l+ l- in chiral perturbation theory,...
A measurement of the phase difference between the short- and long-distance contributions to the [For...
The dispersive two-photon contribution to the K-L --> mu(+)mu(-) decay amplitude is analyzed, using ...
The dispersive two-photon contribution to the K-L --> mu(+)mu(-) decay amplitude is analyzed, using ...
A new analysis of the long-distance two-photon dispersive amplitude of K_L -> mu^+ mu^- is presented...
We present an updated analysis of the rare decay \(K_{\mathrm{L}} \rightarrow\pi^{0} \mu^{ + } \mu^{...
A measurement of the phase difference between the short- and long-distance contributions to the $B^{...
A measurement of the phase difference between the short- and long-distance contributions to the $B^+...
We report on the calculation of the two-loop electroweak, two-photon mediated short-distance dispers...
We report on the calculation of the two-loop electroweak, two-photon mediated short-distance dispers...
We use chiral symmetry to calculate the very long distance contributions to the KL–KS mass differenc...
We use chiral symmetry to calculate the very long distance contributions to the KL–KS mass differenc...
We use chiral symmetry to calculate the very long distance contributions to the KL–KS mass differenc...
We use chiral symmetry to calculate the very long distance contributions to the KL–KS mass differenc...
A measurement of the phase difference between the short- and long-distance contributions to the $${{...
From a leading-order calculation of K1(0) --> gamma*-gamma* --> l+ l- in chiral perturbation theory,...
A measurement of the phase difference between the short- and long-distance contributions to the [For...