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The Hoyle state in nuclear lattice effective field theory |
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| Authors: | TIMO A LÄHDE EVGENY EPELBAUM HERMANN KREBS DEAN LEE ULF-G MEISSNER GAUTAM RUPAK |
| Institution: | 1. Institute for Advanced Simulation, Institut für Kernphysik, and Jülich Center for Hadron Physics, Forschungszentrum Jülich, D-52425, Jülich, Germany 2. Institut für Theoretische Physik II, Ruhr-Universit?t Bochum, D-44870, Bochum, Germany 3. Department of Physics, North Carolina State University, Raleigh, NC, 27695, USA 4. Helmholtz-Institut für Strahlen-und Kernphysik and Bethe Center for Theoretical Physics, Universit?t Bonn, D-53115, Bonn, Germany 5. JARA–High Performance Computing, Forschungszentrum Jülich, D-52425, Jülich, Germany 6. Department of Physics and Astronomy, Mississippi State University, Mississippi State, MS, 39762, USA |
| Abstract: | We review the calculation of the Hoyle state of 12C in nuclear lattice effective field theory (NLEFT) and its anthropic implications in the nucleosynthesis of 12C and 16O in red giant stars. We also analyse the extension of NLEFT to the regime of medium-mass nuclei, with emphasis on the determination of the ground-state energies of the α nuclei 16O, 20Ne, 24Mg, and 28Si by Euclidean time projection. Finally, we discuss recent NLEFT results for the spectrum, electromagnetic properties, and α-cluster structure of 16O. |
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