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The STELLA apparatus for particle-Gamma coincidence fusion measurements with nanosecond timing

Heine, M., Courtin, S., Fruet, G., Jenkins, D.G., Morris, L., Montanari, D., Rudigier, M., Adsley, P., Curien, D., Della Negra, S. , Lesrel, J., Beck, C., Charles, L., Dené, P., Haas, F., Hammache, F., Heitz, G., Krauth, M., Meyer, A., Podolyak, Zs., Regan, P.H., Richer, M., de Séréville, N. and Stodel, C. (2018) The STELLA apparatus for particle-Gamma coincidence fusion measurements with nanosecond timing Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 903. pp. 1-7.

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Abstract

The STELLA (STELlar LAboratory) experimental station for the measurement of deep sub-barrier light heavy-ion fusion cross sections has been installed at the Andromède accelerator at the Institut de Physique Nucléaire, Orsay (France). The setup is designed for the direct experimental determination of heavy-ion fusion cross sections as low as tens of picobarn. The detection concept is based on the coincident measurement of emitted gamma rays with the UK FATIMA (FAst TIMing Array) and evaporated charged particles using a silicon detector array. Key developments relevant to reaching the extreme sub-barrier fusion region are a rotating target mechanism to sustain beam intensities above 10μA, an ultra-high vacuum of 10−8 mbar to prevent carbon built-up and gamma charged-particle timing in the order of nanoseconds sufficient to separate proton and alpha particles.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Heine, M.
Courtin, S.
Fruet, G.
Jenkins, D.G.
Morris, L.
Montanari, D.
Rudigier, M.m.rudigier@surrey.ac.uk
Adsley, P.
Curien, D.
Della Negra, S.
Lesrel, J.
Beck, C.
Charles, L.
Dené, P.
Haas, F.
Hammache, F.
Heitz, G.
Krauth, M.
Meyer, A.
Podolyak, Zs.Z.Podolyak@surrey.ac.uk
Regan, P.H.P.Regan@surrey.ac.uk
Richer, M.
de Séréville, N.
Stodel, C.
Date : 23 June 2018
Funders : Science and Technology Facilities Council (STFC)
DOI : 10.1016/j.nima.2018.06.058
Copyright Disclaimer : © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Uncontrolled Keywords : Rotating target; LaBr3 self-calibration; Coincidence technique; Proton-alpha separation; Fusion
Depositing User : Clive Harris
Date Deposited : 05 Jul 2018 14:44
Last Modified : 11 Dec 2018 11:24
URI: http://epubs.surrey.ac.uk/id/eprint/848661

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