Accueil du site > Contrats de recherche > Investissements d’Avenir > S3 : Super Séparateur Spectromètre
Programme spécifique: EQUIPEX Site web de S3 |
Début: 22/02/2011, Fin: 21/12/2019 |
Responsable scientifique IPN: Serge FRANCHOO |
Coordinateur: Hervé SAVAJOLS, GANIL |
Description:
S3 (Super Separator Spectrometer) is a device designed for
experiments with the very high intensity stable beams of LINAG, the
superconducting linear accelerator of GANIL, which will be built in the
framework of SPIRAL2. These beams, which will provide in a first phase
of SPIRAL2 ions with A/q = 3, can reach intensities exceeding 100pμA for
lighter ions - A<40-50 - depending on the final choice of the ECR
(Electron Cyclotron Resonance) ion source. These unprecedented
intensities open new opportunities in several physics domains, e.g.
super-heavy and very-heavy nuclei, spectroscopy at and beyond the
dripline, isomers and ground state properties, multi-nucleon transfer
and deep-inelastic reactions. The S3 basic design is composed of a two-stage separator.
This device, proposed by Argonne, is based on a Momentum Achromat
followed by a Mass Separator : MAMS. The basic principle of this device
is to first suppress primary beam by at least 1:1000 by a pre-separator
(momentum achromat) and then do further beam suppression and physical
energy and mass channel selection by a mass separator. This device will
have the capabilities to fulfil most of the requirements described
before and is well optimized for direct and symmetric kinematics
fusion-evaporation reactions. This device is a next-generation separator
built on the principles of the Oak Ridge RMS and the Texas A&M MARS
separators. |
Institut de Physique Nucléaire Orsay - 15 rue Georges CLEMENCEAU - 91406 ORSAY (FRANCE) |
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