An NLO SCET calculation predicts B(B to K2*(1430) gamma) = (16.7 ± 6.4 ± 1.2) × 10^-6, close to the experimental average, with much smaller predictions for the a2 and f2 modes.
B to Light Tensor Meson Form Factors Derived from Light-Cone Sum Rules
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abstract
Using the recent results for the two-parton light-cone distribution amplitudes of the tensor meson, we calculate the form factors for the decays of $B_{u,d,s}$ into the light $J^{PC}=2^{++}$ tensor mesons via the vector/axial-vector/tensor current with the light-cone sum rules. We also obtain the $q^2$-dependence of the form factors.
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Radiative B to tensor meson decays at NLO in SCET
An NLO SCET calculation predicts B(B to K2*(1430) gamma) = (16.7 ± 6.4 ± 1.2) × 10^-6, close to the experimental average, with much smaller predictions for the a2 and f2 modes.