ECRIS2018 - List of Authors (Maunoury, L.)

Paper	Title	Page
MOC4	SPIRAL1: A Versatile User Facility	29
	L. Maunoury, A.T. Annaluru, O. Bajeat, P. Delahaye, M. Dubois, R. Frigot, S. Hormigos, P. Jardin, O. Kamalou, P. Lecomte, O. Osmond, G. Peschard, B. Retailleau, A. Savalle, J.C. Thomas, V. Toivanen, P. Ujic GANIL, Caen, France J. Angot LPSC, Grenoble Cedex, France E.K. Traykov IPHC, Strasbourg Cedex 2, France
	SPIRAL1 Upgrade hardware is now almost completed. The FEBIAD 1+ source has been tested for the production of new radioactive isotopes, PHOENIX Charge Breeder (CB) is in place reproducing nearly the charge breeding efficiencies measured at LPSC lab and the infrastructure is operational to welcome such new multifaceted devices. The commissioning phase started in the second semester of 2017. It has consisted of a stepwise process to test the upgrade of the SPIRAL1 facility from simple validation (operation of CB as a stand-alone source) up to the production of the first 1+/n+ Radioactive Ion Beam (RIB) with the 37K9+. This contribution will summarize the different steps completed successfully and especially the measurements done to validate each of the commissioning stages. These include e.g. ionization efficiencies for CB; beam line optics for 1+/n+ and charge breeding efficiencies. The remaining effort required to ensure the reliability of the complete system for routine RIB operation is also presented. A section will be dedicated to a new feature of SPIRAL1 facility: combination of CB and CIME leads to deliver stable beams with energies never done until now.
	Slides MOC4 [2.712 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2018-MOC4
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MOC5	1 + / N + Method: Numerical Simulation Studies and Experimental Measurements on the SPIRAL1 Charge Breeder	34
	A.T. Annaluru, P. Delahaye, M. Dubois, P. Jardin, O. Kamalou, L. Maunoury, A. Savalle, V. Toivanen, P. Ujic GANIL, Caen, France E.K. Traykov IPHC, Strasbourg Cedex 2, France
	In the framework of the SPIRAL1 facility, the R \& D of charge breeding technique is of primary interest for optimizing the yields of radioactive ion beams (RIBs). This technique involves the transformation of mono-charged ion beams into multi-charged ion beams by operating an Electron Cyclotron Resonance (ECR) charge breeder (CB). During the SPIRAL1 commissioning, experimental studies have been performed in order to understand the transport of the beam through the CB with and without ECR plasma. Numerical simulations including ion optics and some ECR plasma features have been developed to evaluate ion losses during the ion transport through the CB with and without a simplified model of the ECR plasma.
	Slides MOC5 [1.689 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2018-MOC5
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MOC6	Redesign of the GANIL GTS ECRIS for 1+/n+ Studies	39
	V. Toivanen, P. Jardin, L. Maunoury, C. Michel GANIL, Caen, France
	More than half of the beams produced at GANIL are metallic elements, underlining the importance of their continuing development. Compared to the conventional techniques (oven, sputtering, MIVOC), the 1+/n+ method has demonstrated superior ionization efficiencies, suggesting the potential for improved metal beam production. Dedicated studies are required to assess the feasibility of this approach. The SPIRAL1 Charge Breeder is now in operation at the GANIL radioactive beam facility SPIRAL1. Operation in high radiation area poses challenges for its future development. A separate test stand supporting charge breeder and metal ion beam R&D is thus desirable. The GTS 14.5 GHz ECRIS has been chosen as a platform for 1+/n+ studies. After the upgrade program of 2017-2018, the GTS provides good performance and versatility, making it well-suited for ion source R&D. A new injection module has been designed for 1+ injection into the GTS plasma to be used in the 1+/n+ studies. It can be easily replaced with the conventional system for normal ion source operation. The design of the new injection system will be presented in detail with ion optical simulations of the 1+ beam injection.
	Slides MOC6 [2.371 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2018-MOC6
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WEB2	Plasma Modelization and Study for the PHOENIX V3 ECR Ion Source	176
	A. Leduc, C. Barue, F. Lemagnen, L. Maunoury GANIL, Caen, France J. Jacob, P. Sole, T. Thuillier LPSC, Grenoble Cedex, France
	In the framework of the Spiral2 project, the PHOENIX V3 ion source upgrade has been developed to optimize the production of ion beams with charge over mass Q/A=1/3. The ion source aims to produce mainly metallic ions. For such beams, the atoms are often trapped into the plasma wall chamber leading to a poor global ionization efficiency. In order to study the wall capture and improve the atom to ion conversion, a temperature controlled liner is designed and under construction to test the atoms re-emission from the wall as a function of temperature in PHOENIX V3. In parallel, a hybrid particle in cells (PIC) code is under development to study the metallic ion dynamics in the plasma chamber and its extraction as an ion beam. A low temperature oven has been designed and tested leading to a global efficiency for Ca beam of above 20%. The oven was simulated and coupled to the hybrid PIC code to study the calcium atom capture from the oven to the plasma. Comparison between simulation and experience is proposed.
	Slides WEB2 [1.755 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2018-WEB2
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

SPIRAL1: A Versatile User Facility

29

L. Maunoury, A.T. Annaluru, O. Bajeat, P. Delahaye, M. Dubois, R. Frigot, S. Hormigos, P. Jardin, O. Kamalou, P. Lecomte, O. Osmond, G. Peschard, B. Retailleau, A. Savalle, J.C. Thomas, V. Toivanen, P. Ujic
GANIL, Caen, France
J. Angot
LPSC, Grenoble Cedex, France
E.K. Traykov
IPHC, Strasbourg Cedex 2, France

SPIRAL1 Upgrade hardware is now almost completed. The FEBIAD 1+ source has been tested for the production of new radioactive isotopes, PHOENIX Charge Breeder (CB) is in place reproducing nearly the charge breeding efficiencies measured at LPSC lab and the infrastructure is operational to welcome such new multifaceted devices. The commissioning phase started in the second semester of 2017. It has consisted of a stepwise process to test the upgrade of the SPIRAL1 facility from simple validation (operation of CB as a stand-alone source) up to the production of the first 1+/n+ Radioactive Ion Beam (RIB) with the 37K9+. This contribution will summarize the different steps completed successfully and especially the measurements done to validate each of the commissioning stages. These include e.g. ionization efficiencies for CB; beam line optics for 1+/n+ and charge breeding efficiencies. The remaining effort required to ensure the reliability of the complete system for routine RIB operation is also presented. A section will be dedicated to a new feature of SPIRAL1 facility: combination of CB and CIME leads to deliver stable beams with energies never done until now.

Slides MOC4 [2.712 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2018-MOC4

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

MOC5

1 + / N + Method: Numerical Simulation Studies and Experimental Measurements on the SPIRAL1 Charge Breeder

34

A.T. Annaluru, P. Delahaye, M. Dubois, P. Jardin, O. Kamalou, L. Maunoury, A. Savalle, V. Toivanen, P. Ujic
GANIL, Caen, France
E.K. Traykov
IPHC, Strasbourg Cedex 2, France

In the framework of the SPIRAL1 facility, the R \& D of charge breeding technique is of primary interest for optimizing the yields of radioactive ion beams (RIBs). This technique involves the transformation of mono-charged ion beams into multi-charged ion beams by operating an Electron Cyclotron Resonance (ECR) charge breeder (CB). During the SPIRAL1 commissioning, experimental studies have been performed in order to understand the transport of the beam through the CB with and without ECR plasma. Numerical simulations including ion optics and some ECR plasma features have been developed to evaluate ion losses during the ion transport through the CB with and without a simplified model of the ECR plasma.

Slides MOC5 [1.689 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2018-MOC5

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

MOC6

Redesign of the GANIL GTS ECRIS for 1+/n+ Studies

39

V. Toivanen, P. Jardin, L. Maunoury, C. Michel
GANIL, Caen, France

More than half of the beams produced at GANIL are metallic elements, underlining the importance of their continuing development. Compared to the conventional techniques (oven, sputtering, MIVOC), the 1+/n+ method has demonstrated superior ionization efficiencies, suggesting the potential for improved metal beam production. Dedicated studies are required to assess the feasibility of this approach. The SPIRAL1 Charge Breeder is now in operation at the GANIL radioactive beam facility SPIRAL1. Operation in high radiation area poses challenges for its future development. A separate test stand supporting charge breeder and metal ion beam R&D is thus desirable. The GTS 14.5 GHz ECRIS has been chosen as a platform for 1+/n+ studies. After the upgrade program of 2017-2018, the GTS provides good performance and versatility, making it well-suited for ion source R&D. A new injection module has been designed for 1+ injection into the GTS plasma to be used in the 1+/n+ studies. It can be easily replaced with the conventional system for normal ion source operation. The design of the new injection system will be presented in detail with ion optical simulations of the 1+ beam injection.

Slides MOC6 [2.371 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2018-MOC6

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEB2

Plasma Modelization and Study for the PHOENIX V3 ECR Ion Source

176

A. Leduc, C. Barue, F. Lemagnen, L. Maunoury
GANIL, Caen, France
J. Jacob, P. Sole, T. Thuillier
LPSC, Grenoble Cedex, France

In the framework of the Spiral2 project, the PHOENIX V3 ion source upgrade has been developed to optimize the production of ion beams with charge over mass Q/A=1/3. The ion source aims to produce mainly metallic ions. For such beams, the atoms are often trapped into the plasma wall chamber leading to a poor global ionization efficiency. In order to study the wall capture and improve the atom to ion conversion, a temperature controlled liner is designed and under construction to test the atoms re-emission from the wall as a function of temperature in PHOENIX V3. In parallel, a hybrid particle in cells (PIC) code is under development to study the metallic ion dynamics in the plasma chamber and its extraction as an ion beam. A low temperature oven has been designed and tested leading to a global efficiency for Ca beam of above 20%. The oven was simulated and coupled to the hybrid PIC code to study the calcium atom capture from the oven to the plasma. Comparison between simulation and experience is proposed.

Slides WEB2 [1.755 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2018-WEB2

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)