Development of target ion source systems for radioactive beams at GANIL

Bajeat, O.; Delahaye, P.; Couratin, C.; Dubois, M.; Frånberg-Delahaye, H.; Henares, J. L.; Huguet, Y.; Jardin, P.; Lecesne, N.; Lecomte, P.; Leroy, R.; Maunoury, L.; Osmond, B.; Sjödin, Marica

doi:10.1016/j.nimb.2013.07.049

Cited by 13 publications

(7 citation statements)

References 13 publications

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“…In 2013, these issues were fixed by enabling a displacement of the ion source along the axis of the secondary ion beam extraction ( Fig. 3) [14]. The modified TISS was then tested at nominal power (1200W of 36 Ar at 95 AMeV) in the SPIRAL 1 beam lines in December 2013, leading to the first scientific results obtained at SPIRAL 1 with a FEBIAD source [15,16].…”

Section: Tiss Developmentmentioning

confidence: 99%

“…The wrong steering caused lower yields than expected. As it was observed later with a Nanogan TISS delivering 14 O to the E744 experiment, a factor of 50 to 100 improvement of the production yield could be obtained at the SPIRAL identification station [18] by tuning the primary beam steerers to correct for the faulty diagnostic. The wrong steering might even have been a possible cause for the early failure of the FEBIAD TISS with 20 Ne.…”

Section: Tiss Developmentmentioning

confidence: 99%

See 1 more Smart Citation

New exotic beams from the SPIRAL 1 upgrade

Delahaye

Dubois

Maunoury

et al. 2020

Nuclear Instruments and Methods in Physics Research Section B:

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Since 2001, the SPIRAL 1 facility has been one of the pioneering facilities in ISOL techniques for reaccelerating radioactive ion beams: the fragmentation of the heavy ion beams of GANIL on graphite targets and subsequent ionization in the Nanogan ECR ion source has permitted to deliver beams of gaseous elements (He, N, O, F, Ne, Ar, Kr) to numerous experiments. Thanks to the CIME cyclotron, energies up to 20 AMeV could be obtained. In 2014, the facility was stopped to undertake a major upgrade, with the aim to extend the production capabilities of SPIRAL 1 to a number of new elements. This upgrade, which is presently under commissioning, consists in the integration of an ECR booster in the SPIRAL 1 beam line to charge breed the beam of different 1+ sources. A FEBIAD source (the so-called VADIS from ISOLDE) was chosen to be the future workhorse for producing many metallic ion beams. This source was coupled to the SPIRAL 1 graphite targets and tested on-line with different beams at GANIL. The charge breeder is an upgraded version of the Phoenix booster which was previously tested in ISOLDE. It was lately commissioned at LPSC and more recently in the SPIRAL 1 beam lines with stable beams. The upgrade additionally permits the use of other target material than graphite. In particular, the use of fragmentation targets will permit to produce higher intensities than from projectile fragmentation, and thin targets of high Z will be used for producing beams by fusion-evaporation. The performances of the aforementioned ingredients of the upgrade (targets, 1+ source and charge breeder) have been and are still being optimized in the frame of different European projects (EMILIE, ENSAR and ENSAR2). The upgraded SPIRAL 1 facility will provide soon its first new beams for physics and further beam development are undertaken to prepare for the next AGATA campaign. The results obtained during the on-line commissioning period permit to evaluate intensities for new beams from the upgraded facility.

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Section: Tiss Developmentmentioning

confidence: 99%

Section: Tiss Developmentmentioning

confidence: 99%

New exotic beams from the SPIRAL 1 upgrade

Delahaye

Dubois

Maunoury

et al. 2020

Nuclear Instruments and Methods in Physics Research Section B:

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“…In the scope of extending the actual RIBs to those based on condensable radioactive species, an upgrade of the facility has been undertaken using the well-known 1+ / n+ method developed at LPSC Grenoble [1]. The method chosen to achieve the objectives of the upgrade is the development of new TISSs (Target Ion source Systems) with a high efficiency [2,3,4], while preserving main parts of the existing SPIRAL1 facility unchanged: the main building, the TISS handling system and the most parts of the LEBT (Low Energy Beam Transport) beam lines. Nevertheless, two major modifications have been realized: the transformation of the production cave to host new TISS's and the installation of a charge breeder after the exit of the cave, downstream from the 1+ magnetic mass separator, in the middle of the LEBT.…”

Section: Introductionmentioning

confidence: 99%

Charge breeding at GANIL: Improvements, results, and comparison with the other facilities

Maunoury

Dubois

Delahaye

et al. 2020

Review of Scientific Instruments

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The 1+/n+ method, based on an ECRIS charge breeder originally developed at the LPSC laboratory, is now implemented at GANIL for the production of Radioactive Ion Beams (RIBs). Prior to its installation in the middle of the low energy beam line of the SPIRAL1 facility, the 1+/n+ system charge breeder has been modified based on the experiments performed on the CARIBU Facility at Argone National Laboratory. Later, it has been tested at the 1+/n+ LPSC test bench to validate its operation performances. Charge breeding efficiencies as well as charge breeding times have been measured for noble gases and alkali elements. The commissioning phase started at GANIL in the second half-year of 2017. It has consisted of a stepwise process to test the upgrade of the SPIRAL1 facility from simple validation (operation of Charge Breeder (CB) as a stand-alone source) up to the production of the first 1+/n+ radioactive ion beam. Thus, this year, a 38m K / 38 K radioactive ion beam has been successfully delivered to a physics experiment over a period of 1 week. The yields on the physics target were in the range of 2-4×10 6 pps at 9 MeV/u. The target ion source system (TISS) was made of a FEBIAD ion source connected to a hot graphite target. This is the first time a radioactive ion beam is accelerated with a cyclotron with the 1+/n+ method. Moreover, a production test with the FEBIAD TISS has confirmed the yields measured previously, which validates the extension of the GANIL/SPIRAL1 catalog for a number of isotopes. In parallel R&D is being performed on new TISSs (e.g. a fast release one, using surface ionization source). Targets are also a subject of ongoing R&D for yield and release time optimization. This contribution will present the new acceleration scheme of the SPIRAL1 facility, which largely extends the palette of RIBs available for nuclear physicists. It will be compared to the ones used at similar ISOL facilities. This facility is more than a simple ISOL facility and an overview of the new opportunities offered by the upgraded installation will be also discussed.

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“…Since 2001 SPIRAL1 at GANIL produces radioactive ion beams via the ISOL method ( 77 ). The facility hosts five different cyclotrons for the production and acceleration of RIBs ( 78 ).…”

Section: Production Of 11 C Beams: Overview Of Pas...mentioning

confidence: 99%

Technical Design Report for a Carbon-11 Treatment Facility

Penescu¹,

Stora

Stegemann

et al. 2022

Front. Med.

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Particle therapy relies on the advantageous dose deposition which permits to highly conform the dose to the target and better spare the surrounding healthy tissues and organs at risk with respect to conventional radiotherapy. In the case of treatments with heavier ions (like carbon ions already clinically used), another advantage is the enhanced radiobiological effectiveness due to high linear energy transfer radiation. These particle therapy advantages are unfortunately not thoroughly exploited due to particle range uncertainties. The possibility to monitor the compliance between the ongoing and prescribed dose distribution is a crucial step toward new optimizations in treatment planning and adaptive therapy. The Positron Emission Tomography (PET) is an established quantitative 3D imaging technique for particle treatment verification and, among the isotopes used for PET imaging, the 11C has gained more attention from the scientific and clinical communities for its application as new radioactive projectile for particle therapy. This is an interesting option clinically because of an enhanced imaging potential, without dosimetry drawbacks; technically, because the stable isotope 12C is successfully already in use in clinics. The MEDICIS-Promed network led an initiative to study the possible technical solutions for the implementation of 11C radioisotopes in an accelerator-based particle therapy center. We present here the result of this study, consisting in a Technical Design Report for a 11C Treatment Facility. The clinical usefulness is reviewed based on existing experimental data, complemented by Monte Carlo simulations using the FLUKA code. The technical analysis starts from reviewing the layout and results of the facilities which produced 11C beams in the past, for testing purposes. It then focuses on the elaboration of the feasible upgrades of an existing 12C particle therapy center, to accommodate the production of 11C beams for therapy. The analysis covers the options to produce the 11C atoms in sufficient amounts (as required for therapy), to ionize them as required by the existing accelerator layouts, to accelerate and transport them to the irradiation rooms. The results of the analysis and the identified challenges define the possible implementation scenario and timeline.

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Development of target ion source systems for radioactive beams at GANIL

Cited by 13 publications

References 13 publications

New exotic beams from the SPIRAL 1 upgrade

New exotic beams from the SPIRAL 1 upgrade

Charge breeding at GANIL: Improvements, results, and comparison with the other facilities

Technical Design Report for a Carbon-11 Treatment Facility

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