Abstract
LUNA is an experimental approach for the study of nuclear fusion reactions based on an underground accelerator laboratory. Aim of the experiment is the direct measurement of the cross section of nuclear reactions relevant for stellar and primordial nucleosynthesis. In the following the latest results and the future goals will be presented.
Highlights
The Laboratory for Underground Nuclear Astrophysics (LUNA) is located at Gran Sasso National Laboratories, Italy, where the 1400 meters of rocks dominating the laboratory guarantee a reduction of six orders of magnitude in the cosmic muon flux and a reduction of three orders of magnitude in the neutron flux
The beam energy spread at the exit of the accelerator was determined to be < 100 eV while the energy drift is < 5 eV/h
This paper focuses on 17O(p,α)14N and 2H(p,γ)3He cross section measurements and, in the last part, on the future program
Summary
The Laboratory for Underground Nuclear Astrophysics (LUNA) is located at Gran Sasso National Laboratories, Italy, where the 1400 meters of rocks dominating the laboratory guarantee a reduction of six orders of magnitude in the cosmic muon flux and a reduction of three orders of magnitude in the neutron flux. At energies of astrophysical interest its reaction rate is dominated [6] by a narrow and isolated resonance at Ep=70 keV.
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