Ab initio calculations of reactions of light nuclei

Hupin, Guillaume; Quaglioni, Sofia; Navrátil, Petr

doi:10.1051/epjconf/201714612022

Ab initio calculations of reactions of light nuclei

Journal Article · Wed Sep 13 00:00:00 EDT 2017 · EPJ Web of Conferences

DOI:https://doi.org/10.1051/epjconf/201714612022· OSTI ID:1567445

Hupin, Guillaume ^[1]; Quaglioni, Sofia ^[2]; Navrátil, Petr ^[3]

Alternative Energies and Atomic Energy Commission (CEA), Arpajon (France)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
TRIUMF, Vancouver, BC (Canada)

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 as a support tool for accurate evaluations of crucial reaction data for nuclear astrophysics, fusion-energy research, and other applications. We present an efficient many-body approach to nuclear bound and scattering states alike, known as the ab initio no-core shell model with continuum. In this approach, 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. We show that predictive results for nucleon and deuterium scattering on ⁴He nuclei can be obtained from the direct solution of the Schröedinger equation with modern nuclear potentials.

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1567445

Journal Information:: EPJ Web of Conferences, Journal Name: EPJ Web of Conferences Vol. 146; ISSN 2100-014X

Publisher:: EDP SciencesCopyright Statement

Country of Publication:: United States

Language:: English

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