IPAC2012 - List of Authors (Voulot, D.)

Paper

Title

Page

Status and Future Perspectives of the HIE-ISOLDE Project at CERN

34

Y. Kadi, A.P. Bernardes, Y. Blumenfeld, S. Calatroni, R. Catherall, M.A. Fraser, B. Goddard, D. Parchet, E. Siesling, W. Venturini Delsolaro, D. Voulot, L.R. Williams
CERN, Geneva, Switzerland

The High Intensity and Energy (HIE)-ISOLDE project aims at several important upgrades of the present ISOLDE radioactive beam facility at CERN. The main focus lies in the energy upgrade of the post-accelerated radionuclide beams from 3 MeV/u up to 10 MeV/u through the addition of superconducting cavities. This will open the possibility of many new types of experiments including transfer reactions throughout the nuclear chart. The first stage of this upgrade involves the design, construction, installation and commissioning of two high-β cryomodules downstream of REX-ISOLDE, the existing post-accelerator. Each cryomodule houses five high-β sc cavities and one sc solenoid. Prototypes of the Nb-sputtered Quarter Wave Resonators (QWRs) cavities for the new superconducting linear accelerator have been manufactured and are undergoing RF cold tests. The project also includes a design study of improved production targets to accommodate the future increase of proton intensity delivered by the new LINAC4 proton driver. The project has been approved by CERN and its implementation started in January 2010. An overview of the project and the timeline will be presented.

Slides MOOBA02 [7.044 MB]

MOPPR048

Beam Instrumentation for the HIE-ISOLDE Linac at CERN

891

E. Bravin, A.G. Sosa, D. Voulot, F.J.C. Wenander, F. Zocca
CERN, Geneva, Switzerland
M.A. Fraser
UMAN, Manchester, United Kingdom
J.H. Galipienzo
AVS, Eibar, Gipuzkoa, Spain
M. Pasini
Instituut voor Kern- en Stralingsfysica, K. U. Leuven, Leuven, Belgium
C.P. Welsch
Cockcroft Institute, Warrington, Cheshire, United Kingdom

In the framework of the High Intensity and Energy (HIE)-ISOLDE project at CERN, a beam instrumentation R&D program is on-going for the superconducting upgrade of the REX-ISOLDE heavy-ion post-accelerator. An overview of the foreseen beam diagnostics system is presented, focusing on the challenging specifications required by the HIE-ISOLDE linac. Due to the low beam intensities, the diagnostic instrumentation will be based on high-sensitivity intercepting devices. The project includes intensity and transverse profile monitors to be implemented in the very narrow longitudinal space that is available for beam diagnostics in the regions between the superconducting cryomodules. A longitudinal profile monitor is foreseen downstream of the linac to measure the beam energy and arrival time distributions and to allow for a fast phase-tuning of the superconducting cavities. A custom-made emittance meter will provide transverse emittance measurements based on a phase space sampling technique. The design status of the different instruments will be presented as well as the results of some experimental tests.

THPPP050

HIE-ISOLDE SC Linac: Operational Aspects and Commissioning Preparation

3853

D. Voulot, E. Bravin, M.A. Fraser, B. Goddard, Y. Kadi, D. Lanaia, A.S. Parfenova, M. Pasini, A.G. Sosa, F. Zocca
CERN, Geneva, Switzerland

In the framework of the HIE-ISOLDE project, the REX linac will be upgraded in stages to 5.5 MeV/u and 10 MeV/u using superconducting (SC) quarter-wave cavities. The linac lattice is now frozen and the beam dynamics has been checked. The beam properties at the output of the NC linac for the different stages have been measured and are compatible with the SC linac acceptance. The high-energy beam transfer design is being finalised and a study has been launched for a buncher/chopper system allowing 100 ns bunch spacing for time-of-flight measurements. A compact diagnostic box for the inter-cryomodule region is under development and a new Si-detector based monitor for energy and phase measurements has been tested.

Paper	Title	Page
MOOBA02	Status and Future Perspectives of the HIE-ISOLDE Project at CERN	34
	Y. Kadi, A.P. Bernardes, Y. Blumenfeld, S. Calatroni, R. Catherall, M.A. Fraser, B. Goddard, D. Parchet, E. Siesling, W. Venturini Delsolaro, D. Voulot, L.R. Williams CERN, Geneva, Switzerland
	The High Intensity and Energy (HIE)-ISOLDE project aims at several important upgrades of the present ISOLDE radioactive beam facility at CERN. The main focus lies in the energy upgrade of the post-accelerated radionuclide beams from 3 MeV/u up to 10 MeV/u through the addition of superconducting cavities. This will open the possibility of many new types of experiments including transfer reactions throughout the nuclear chart. The first stage of this upgrade involves the design, construction, installation and commissioning of two high-β cryomodules downstream of REX-ISOLDE, the existing post-accelerator. Each cryomodule houses five high-β sc cavities and one sc solenoid. Prototypes of the Nb-sputtered Quarter Wave Resonators (QWRs) cavities for the new superconducting linear accelerator have been manufactured and are undergoing RF cold tests. The project also includes a design study of improved production targets to accommodate the future increase of proton intensity delivered by the new LINAC4 proton driver. The project has been approved by CERN and its implementation started in January 2010. An overview of the project and the timeline will be presented.
	Slides MOOBA02 [7.044 MB]

MOPPR048	Beam Instrumentation for the HIE-ISOLDE Linac at CERN	891
	E. Bravin, A.G. Sosa, D. Voulot, F.J.C. Wenander, F. Zocca CERN, Geneva, Switzerland M.A. Fraser UMAN, Manchester, United Kingdom J.H. Galipienzo AVS, Eibar, Gipuzkoa, Spain M. Pasini Instituut voor Kern- en Stralingsfysica, K. U. Leuven, Leuven, Belgium C.P. Welsch Cockcroft Institute, Warrington, Cheshire, United Kingdom
	In the framework of the High Intensity and Energy (HIE)-ISOLDE project at CERN, a beam instrumentation R&D program is on-going for the superconducting upgrade of the REX-ISOLDE heavy-ion post-accelerator. An overview of the foreseen beam diagnostics system is presented, focusing on the challenging specifications required by the HIE-ISOLDE linac. Due to the low beam intensities, the diagnostic instrumentation will be based on high-sensitivity intercepting devices. The project includes intensity and transverse profile monitors to be implemented in the very narrow longitudinal space that is available for beam diagnostics in the regions between the superconducting cryomodules. A longitudinal profile monitor is foreseen downstream of the linac to measure the beam energy and arrival time distributions and to allow for a fast phase-tuning of the superconducting cavities. A custom-made emittance meter will provide transverse emittance measurements based on a phase space sampling technique. The design status of the different instruments will be presented as well as the results of some experimental tests.

THPPP050	HIE-ISOLDE SC Linac: Operational Aspects and Commissioning Preparation	3853
	D. Voulot, E. Bravin, M.A. Fraser, B. Goddard, Y. Kadi, D. Lanaia, A.S. Parfenova, M. Pasini, A.G. Sosa, F. Zocca CERN, Geneva, Switzerland
	In the framework of the HIE-ISOLDE project, the REX linac will be upgraded in stages to 5.5 MeV/u and 10 MeV/u using superconducting (SC) quarter-wave cavities. The linac lattice is now frozen and the beam dynamics has been checked. The beam properties at the output of the NC linac for the different stages have been measured and are compatible with the SC linac acceptance. The high-energy beam transfer design is being finalised and a study has been launched for a buncher/chopper system allowing 100 ns bunch spacing for time-of-flight measurements. A compact diagnostic box for the inter-cryomodule region is under development and a new Si-detector based monitor for energy and phase measurements has been tested.