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Feasibility of low-energy radiative-capture experiments at the LUNA underground accelerator facility
INFN, Sezione di Padova, via Marzolo 8, 35131, Padova, Italy; Institut für Atomare Physik und Fachdidaktik, Technische Universität Berlin, Berlin, Germany.
Dipartimento di Fisica, Università di Genova, and INFN, Genova, Italy.
Dipartimento di Fisica, Università di Genova, and INFN, Genova, Italy.
Istituto di Fisica, Università di Milano, and INFN, Milano, Italy.
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2005 (English)In: European Physical Journal A, ISSN 1434-6001, E-ISSN 1434-601X, Vol. 24, no 2, p. 313-319Article in journal (Refereed) Published
Abstract [en]

The LUNA (Laboratory Underground for Nuclear Astrophysics) facility has been designed to study nuclear reactions of astrophysical interest. It is located deep underground in the Gran Sasso National Laboratory, Italy. Two electrostatic accelerators, with 50 and 400 kV maximum voltage, in combination with solid and gas target setups allowed to measure the total cross-sections of the radiative-capture reactions 2H2H(p, γ) 3He3Heand 14N14N(p, γ) 15O15Owithin their relevant Gamow peaks. We report on the gamma background in the Gran Sasso laboratory measured by germanium and bismuth germanate detectors, with and without an incident proton beam. A method to localize the sources of beam-induced background using the Doppler shift of emitted gamma rays is presented. The feasibility of radiative-capture studies at energies of astrophysical interest is discussed for several experimental scenarios. © Società Italiana di Fisica/Springer-Verlag 2005.

Place, publisher, year, edition, pages
2005. Vol. 24, no 2, p. 313-319
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URN: urn:nbn:se:ltu:diva-4956DOI: 10.1140/epja/i2004-10135-4ISI: 000229694300020Scopus ID: 2-s2.0-18244378243Local ID: 2f6e7e5c-f9bf-4c42-9364-d18412644d0bOAI: oai:DiVA.org:ltu-4956DiVA, id: diva2:977830
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Upprättat; 2005; 20141216 (albvom)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2023-11-29Bibliographically approved

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Vomiero, Alberto

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