Takeshi Kurimoto

Leading-power contributions to B → π , ρ transition form factors

We calculate the

B -> D-(*) form factors in perturbative QCD

B\to\pi,\rho

Nonfactorizable contributions to B ---> D**(*) M decays

transition form factors in the framework of perturbative QCD to leading power of

Uncertainty in the leading order PQCD calculations of B meson decays

1/M_B

New Physics and CP Angles Measurement at B Factory

,

|Vub| Determination by B → Dsπ

M_B

Updates of WR Effects on CP Angle Determination in B Decays

being the

WR effects on CP angles determination at a B factory

B

Duality condition for the supersymmetric hyperkähler σ model

meson mass. We explain the basic principle by discussing the pion electromagnetic form factor. It is shown that the logarithmic and linear singularities occurring at small momentum fractions of light meson distribution amplitudes do not exist in a self-consistent perturbative analysis, which includes

Gluonic contribution to B → η ( ′ ) form factors

k_\perp