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Design upgrade of the ISOLDE target unit for HIE-ISOLDE

AutorMontaño, J.; Giles, T.; Gottberg, A.
Palabras claveHIE-ISOLDE
Ion extraction
Electron bombardment heating
Radioactive ion beams
Fecha de publicación2013
CitaciónNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms 317: 430- 433 (2013)
ResumenThe High Intensity and Energy HIE-ISOLDE project is a major upgrade of the existing ISOLDE and REX-ISOLDE facilities with the objective of increasing the energy and the intensity of the delivered radioactive ion beams (RIB) [1]. In order to accommodate the future increase of primary beam intensity delivered by the new LINAC4 H- driver to the Proton Synchrotron Booster (PSB) [2] and from this to ISOLDE, a major study is being carried out to upgrade the existing designs of the ISOLDE target and its supporting infrastructure. In particular, the extraction optics plays an important role in the initial beam transport and the quality of the beam supplied to the mass separators. Important factors include the emittance of the beam and the beam profile to avoid beam losses. A new double electrode extraction system has been developed for simplifying and improving the interface between the target unit and the frontend (target coupling table). Numerical and experimental studies have been performed in order to define the new extraction geometry, and the coupling table has been adapted to keep the compatibility. An alternative heating system is under study. An electron bombardment heating system is being developed as an option for avoiding the employment of big cross section cables. The results of these studies and the mechanical models developed are presented and discussed. © 2013 Elsevier B.V. All rights reserved.
Identificadoresdoi: 10.1016/j.nimb.2013.08.019
issn: 0168-583X
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