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Effects of Littlest Higgs model in rare D meson decays
Svjetlana Fajfer, Sasa Prelovsek
A tree-level flavor changing neutral current in the up-like quark sector appears in one of the variations of the Littlest Higgs model. We investigate the effects of this coupling i…
Charm meson resonances in D semileptonic decays
Svjetlana Fajfer, Jernej Kamenik
Motivated by recent experimental results we reconsider semileptonic D to P l nu_l and D to V l nu_l decays within a model which combines heavy quark symmetry and properties of the…
Charmless Final State Interaction in B-> pi pi decays
Svjetlana Fajfer, Anita Prapotnik Brdnik, Tri-Nang Pham
We estimate effects of the final state interactions in B -> pi pi decays coming from rescattering of pi pi via exchange of rho, sigma, f_0 mesons. Then we include the rho rho resca…
Charm meson resonances and D to V semileptonic form factors
Svjetlana Fajfer, Jernej Kamenik
Using limits of large energy effective theory and heavy quark effective theory we propose a simple parametrization of the heavy to light H to V semileptonic form factors. Then we r…
Color suppressed contributions to the decay modes B_{d,s} -> D_{s,d} D_{s,d}, B_{d,s} -> D_{s,d} D^*_{s,d}, and B_{d,s} -> D^*_{s,d} D^*_{s,d}
Jan O. Eeg, Svjetlana Fajfer, Anita Prapotnik
The amplitudes for decays of the type , have no factorizable contributions, while , and $B_{d,s} \to D^*_{s,d} D^*_{s,d}…
Charm meson resonances in decays
S. Fajfer, J. Kamenik
Motivated by recent experimental results we reconsider semileptonic decays within a model which combines heavy quark symmetry and properties of the chiral…