S.-I. Ando

Radiative neutron capture on a proton at BBN energies

The total cross section for radiative neutron capture on a proton,

Parity-violating polarization innp→dγwith a pionless effective field theory

np \to d \gamma

Effective Range Corrections from Effective Field Theory with Dibaryon Fields and Perturbative Pions

, is evaluated at big bang nucleosynthesis (BBN) energies. The electromagnetic transition amplitudes are calculated up to next-to leading order within the framework of pionless effective field theory with dibaryon fields. We also calculate the

The Born Series for S-wave Quartet nd Scattering at Small Cutoff Values

d\gamma\to np

Polarization of the neutron induced from hadronic weak interactions in the photo-disintegration of the deuteron

cross section and the photon analyzing power for the

Parity-Violating Asymmetry in γd → np with a Pionless Effective Theory

d\vec{\gamma}\to np

Spin Observables in the Two-Nucleon Capture and Dissociation Processes at Low Energies

process from the amplitudes. The values of low energy constants that appear in the amplitudes are estimated by a Markov Chain Monte Carlo analysis using the relevant low energy experimental data. Our result agrees well with those of other theoretical calculations except for the

Spin polarization in γ d → n⃗ p at low energies with a pionless effective field theory

np\to d\gamma

Effective field theory of 3 He

cross section at some energies estimated by an R-matrix analysis. We also study the uncertainties in our estimation of the

Spin Polarization in γd→

np\to d\gamma