Abstract
Favored by the low background in underground laboratories, low-background accelerator-based experiments are an important tool to study nuclear reactions involving stable charged particles. This technique has been used for many years with great success at the 0.4 MV LUNA accelerator in the Gran Sasso laboratory in Italy, proteced from cosmic rays by 1400 m of rock. However, the nuclear reactions of helium and carbon burning and the neutron source reactions for the astrophysical s-process require higher beam energies than those available at LUNA. Also the study of solar fusion reactions necessitates new data at higher energies. As a result, in the present NuPECC long range plan for nuclear physics in Europe, the installation of one or more higher-energy underground accelerators is strongly recommended.
Highlights
Nuclear astrophysics has benefited enormously from data obtained in recent years at the world’s only underground ion accelerator, LUNA (Laboratory for Underground Astrophysics) [1]
Recent LUNA work has been presented at this conference
A project for an additional, 3.5 MV accelerator is underway at LUNA
Summary
Nuclear astrophysics has benefited enormously from data obtained in recent years at the world’s only underground ion accelerator, LUNA (Laboratory for Underground Astrophysics) [1]. The beam energy range is limited, preventing a study of the nuclear reactions of helium and carbon burning and the neutron sources of the astrophysical s-process. A project for an additional, 3.5 MV accelerator is underway at LUNA
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