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5 papers · 2 filters
Effective range corrections from effective field theory with di-baryon fields and perturbative pions
Shung-Ichi Ando, Chang Ho Hyun
Contributions of perturbative pions around a non-trivial fixed point are studied by utilizing di-baryon fields. We calculate and phase shifts for the scatt…
Parity-violating asymmetry in with a pionless effective theory
J. W. Shin, S. -I. Ando, C. H. Hyun +1
Nuclear parity violation is studied with polarized neutrons in the photodisintegration of the deuteron at low energies. A pionless effective field theory with di-baryon fields is u…
Spin observables in the two-nucleon capture and dissociation processes at low energies
Y. -H. Song, C. H. Hyun, S. -I. Ando +1
Spin observables in radiative neutron capture on a proton and its inverse process, photodisintegration of the deuteron are calculated using a pionless effective field theory with d…
Hyperon and nuclear symmetry energy in the neutron star
Chung-Yeol Ryu, Chang Ho Hyun, Chang-Hwan Lee
In this work, masses and radii of neutron stars are considered to investigate the effect of nuclear symmetry energy to the astrophysical observables. A relativistic mean field mode…
Spin Polarization in at Low Energies with a Pionless Effective Field Theory
S. -I. Ando, Y. -H. Song, C. H. Hyun +1
With the use of pionless effective field theory including dibaryon fields, we study the reaction for the laboratory photon energy ranging from thresh…