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Elements Discrimination in the Study of Super-Heavy Elements using an Ionization Chamber

Dedicated ionization chamber was built and installed to measure the energy loss of very heavy nuclei at 2.7 MeV/u produced in fusion reactions in inverse kinematics (beam of 208Pb). After going through the ionization chamber, products of reactions on 12C, 18O targets are implanted in a Si detector....

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Bibliographic Details
Published in:arXiv.org 2003-07
Main Authors: Collaboration, FULIS, Wieloch, A, Sosin, Z, Peter, J, Lojek, K, Alamanos, N, Amar, N, Anne, R, Angelique, J C, Auger, G, Dayras, R, Drouart, A, Fontbonne, J M, Gillibert, A, Grevy, S, Hanappe, F, Hannachi, F, Hue, R, Khouaja, A, Legou, T, Lopez-Martens, A, Lienard, E, Manduci, L, de Oliveira Santos, F, Politi, G, Saint-Laurent, M G, Stodel, C, Stuttge, L, Tillier, J, de Tourreil, R, Villari, A C C, Wieleczko, J P
Format: Article
Language:English
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Summary:Dedicated ionization chamber was built and installed to measure the energy loss of very heavy nuclei at 2.7 MeV/u produced in fusion reactions in inverse kinematics (beam of 208Pb). After going through the ionization chamber, products of reactions on 12C, 18O targets are implanted in a Si detector. Their identification through their alpha decay chain is ambiguous when their half-life is short. After calibration with Pb and Th nuclei, the ionization chamber signal allowed us to resolve these ambiguities. In the search for rare super-heavy nuclei produced in fusion reactions in inverse or symmetric kinematics, such a chamber will provide direct information on the nuclear charge of each implanted nucleus.
ISSN:2331-8422
DOI:10.48550/arxiv.0307021