Ab Initio Calculations of Nuclear Structure and Reactions
- Petr Navratil, TRIUMF
Tuesday, October 29, 11:00 AM - Theory Seminar
NSCL Seminar Room
The description of nuclei starting from the constituent nucleons and the realistic interactions among them has been a long-standing goal in nuclear physics. In addition to the complex nature of nuclear forces with two-nucleon (NN), three-nucleon (3N) and possibly even four-nucleon components, one faces the quantum-mechanical many-nucleon problem governed by an interplay between bound and continuum states. In recent years, significant progress has been made in ab initio nuclear structure and reaction calculations based on input from QCD employing Hamiltonians constructed within chiral effective field theory. I will present new ab initio many-body approaches capable of describing both bound and scattering states in light nuclei simultaneously. I will discuss results for nucleon scattering on 4He, for resonances of exotic nuclei, e.g., 6,7He, for reactions important for astrophysics, such as 7Be(p,γ)8B radiative capture, and for 3H(d,n)4He fusion. I will introduce preliminary results for the structure of 9Be and 11N calculated with chiral NN+3N interactions including continuum effects. Finally, I will discuss bound-state calculations for neutron rich Carbon isotopes.