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Published October 15, 1994 | metadata_only
Journal Article

Laboratory for Underground Nuclear Astrophysics (LUNA)


A compact high-current 50 kV ion accelerator facility including a windowless gas target system, a beam calorimeter, and detector telescopes in close geometry has been built and tested. The data acquisition and analysis involved a multiparameter system and a Monte Carlo program. The LUNA facility, presently installed at the Gran Sasso underground laboratory, is a pilot project focused initially on cross section measurements of the ^3He(^3He, 2p)^4He reaction within the thermal energy region of the sun. To achieve this goal, the experimental sensitivity has been improved by more than four orders of magnitude over that of previous work.

Additional Information

© 1994 Elsevier. Received 8 June 1994. Supported in part by the Bundesminister für Forschung und Tecbnologie (FKZ: 06B0631), DAAD-Vigoni (italian and german supports), and INFN. The authors thank Prof. P. Monacelli for the hospitality at LNGS and the administration and technical staff at LNGS for their support. The technical help of G. Krüger, J. Wohlert, the staff of the mechanical and electronic workshops at Bochum, and the staff of the electronic workshop at Münster is highly appreciated.

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August 20, 2023
August 20, 2023