EPJ Web Conf.
Volume 113, 201621st International Conference on Few-Body Problems in Physics
|Number of page(s)||9|
|Published online||25 March 2016|
Ab initio calculations of reactions with light nuclei
1 Lawrence Livermore National Laboratory, P.O. Box 808, L-414, Livermore, California 94551 USA
2 Institut de Physique Nucléaire, Universitée Paris-Sud, IN2P3/CNRS, F-91406 Orsay Cedex, France
3 TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, Canada
4 Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany
Published online: 25 March 2016
An ab initio (i.e., from first principles) theoretical framework capable of providing a unified description of the structure and low-energy reaction properties of light nuclei is desirable to further our understanding of the fundamental interactions among nucleons, and provide accurate predictions of crucial reaction rates for nuclear astrophysics, fusion-energy research, and other applications. In this contribution we review ab initio calculations for nucleon and deuterium scattering on light nuclei starting from chiral two- and three-body Hamiltonians, obtained within the framework of the ab initio no-core shell model with continuum. This is a unified approach to nuclear bound and scattering states, in which square-integrable energy eigenstates of the A-nucleon system are coupled to (A−a)+a target-plus-projectile wave functions in the spirit of the resonating group method to obtain an efficient description of the many-body nuclear dynamics both at short and medium distances and at long ranges.
© Owned by the authors, published by EDP Sciences, 2016
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