Abstract
A Penning-trap isobar separator is currently under construction at CENBG (Bordeaux, France) and MPIK (Heidelberg, Germany) for a future installation at the SPIRAL2/DESIR facility. This device aims at purifying the radioactive ion beams from undesired species, in order to deliver highly pure samples of exotic nuclei to the different set-ups which will be installed in the DESIR hall. The present manuscript describes the context and the motivations to build such a system, the targeted characteristics, and the studies to find an efficient purification method for large samples of isobaric species.
Highlights
The last decades have seen an extremely rapid development of Radioactive Ion Beam (RIB) facilities allowing important progress concerning the knowledge of the atomic nucleus
A Penning-trap isobar separator is currently under construction at CENBG (Bordeaux, France) and MPIK (Heidelberg, Germany) for a future installation at the SPIRAL2/DESIR facility. This device aims at purifying the radioactive ion beams from undesired species, in order to deliver highly pure samples of exotic nuclei to the different set-ups which will be installed in the DESIR hall
The DESIR facility will be equipped with different beam lines which will receive low-energy beams (10-60 keV) from: (i) the existing SPIRAL1 facility, (ii) the SPIRAL2 production building using neutron- and deuteron-induced fission, deep-inelastic and fusion evaporation reactions and (iii) the super separator spectrometer S3 where neutron-deficient and superheavy elements will be produced via in-flight fusion evaporation reactions
Summary
The last decades have seen an extremely rapid development of Radioactive Ion Beam (RIB) facilities allowing important progress concerning the knowledge of the atomic nucleus. The DESIR hall will be the installation dedicated to low-energy studies and will host experimental set-ups for decay spectroscopy, laser spectroscopy and trap-based experiments, in order to study nuclear ground and excited state properties. Thanks to these three complementary techniques, key observables of nuclei far from stability will be accessible, allowing to answer many of the open questions concerning the nuclear forces, the processes of nucleosynthesis as well as testing the Standard Model. The construction of the DESIR hall will begin in 2016
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