Cyclotrons2016 - List of Authors (Abs, M.)

Paper	Title	Page
TUP06	Design of the Cyclone®70p	175
	S. Zaremba, M. Abs, J.L. Delvaux, W.J.G.M. Kleeven, B. Nactergal, V. Nuttens, J. van de Walle IBA, Louvain-la-Neuve, Belgium
	The IBA CYCLONE®70p is a high intensity 70 MeV proton-only cyclotron dedicated to the production of radioisotopes for PET generators and SPECT. The nominal power of the extracted beam goes above 50kW (750μA@70MeV). The proton-only cyclotron was developed based on the previous experience of the multi-particle Cyclone® 70XP running in Nantes, France. Numerical tools have been extensively used to optimize the magnetic field, to avoid potentially harmful resonances during acceleration and improve the acceleration efficiency of the cyclotron. In addition, electromagnetic and mechanical calculations permitted to obtain a low dissipated power and electromechanically robust design of the RF system. The vacuum computations have permitted to optimize the beam transmission, the placement and type of cryopumps. This new development of CYCLONE®70p was the initial part of the successfully finished IBA project also presented during this conference [1].
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TUP07	Commissioning and Testing of the First IBA S2C2	178
	S. Henrotin, M. Abs, E. Forton, Y. Jongen, W.J.G.M. Kleeven, P. Verbruggen, J. van de Walle IBA, Louvain-la-Neuve, Belgium
	The first unit of the IBA superconducting synchrocyclotron (S2C2) has been installed in Nice, France, and is currently being commissioned. In this communication, we will present some issues encountered during the commissioning of our first synchrocyclotron for protontherapy. We will mainly focus on beam aspects, showing the influence of several machine parameters on beam properties like stability, energy and intensity.
	Poster TUP07 [1.403 MB]
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TUD03	Development of the Cyclone® Kiube: A Compact, High Performance and Self-Shielded Cyclotron for Radioisotope Production	238
	B. Nactergal, M. Abs, S. De Neuter, W.J.G.M. Kleeven, E.K. Kral, V. Nuttens, S. Zaremba, J. van de Walle IBA, Louvain-la-Neuve, Belgium
	About 15 months ago, at IBA, we have launched the design, construction, tests and industrialization of an innovative isochronous cyclotron for PET isotope production (patent applications pending). The design has been optimized for cost effectiveness, compactness, ease of maintenance, activation reduction and high performances, with a particular emphasis on its application on market. Multiple target stations can be placed around the vacuum chamber. An innovative extraction method (patent applications pending) has been designed which allows to obtain the same extracted beam sizes and properties on the target window independent of the target position.
	Slides TUD03 [2.687 MB]
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THB01	The S2C2: From Source to Extraction	285
	J. van de Walle, M. Abs, E. Forton, S. Henrotin, Y. Jongen, W.J.G.M. Kleeven, P. Verbruggen IBA, Louvain-la-Neuve, Belgium M. Conjat, J. Mandrillon, P. Mandrillon AIMA, Nice, France
	Apart from being the first constructed superconducting accelerator, the S2C2 is also the first synchro-cyclotron at IBA. To study the beam dynamics, new computational tools had to be developed dealing with much larger number of turns, the longitudinal capture in the central region and the regenerative extraction. The S2C2 is a medical accelerator requiring a precise control of the beam characteristics so a deep understanding of beam dynamics is mandatory. Our simulation strategy allows to gain important insight in the acceleration process and beam characteristics: the beam emittance and energy spread, beam losses, effects of coil misalignments, median plane errors, resonances, etc. The simulation tools are split in three parts. At first, protons are tracked from the source up to about 3 MeV with the in-house tracking code AOC. In a second part, only the energy, RF phase and orbit centers are tracked as a function of time. Finally, a detailed tracking from 225 MeV up to extraction is performed with AOC. Simulations are compared to experimental observations during in-factory testing and commissioning of the first S2C2 installed in Nice, France.
	Slides THB01 [2.574 MB]
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Paper

Title

Page

Design of the Cyclone®70p

175

S. Zaremba, M. Abs, J.L. Delvaux, W.J.G.M. Kleeven, B. Nactergal, V. Nuttens, J. van de Walle
IBA, Louvain-la-Neuve, Belgium

The IBA CYCLONE®70p is a high intensity 70 MeV proton-only cyclotron dedicated to the production of radioisotopes for PET generators and SPECT. The nominal power of the extracted beam goes above 50kW (750μA@70MeV). The proton-only cyclotron was developed based on the previous experience of the multi-particle Cyclone® 70XP running in Nantes, France. Numerical tools have been extensively used to optimize the magnetic field, to avoid potentially harmful resonances during acceleration and improve the acceleration efficiency of the cyclotron. In addition, electromagnetic and mechanical calculations permitted to obtain a low dissipated power and electromechanically robust design of the RF system. The vacuum computations have permitted to optimize the beam transmission, the placement and type of cryopumps. This new development of CYCLONE®70p was the initial part of the successfully finished IBA project also presented during this conference [1].

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TUP07

Commissioning and Testing of the First IBA S2C2

178

S. Henrotin, M. Abs, E. Forton, Y. Jongen, W.J.G.M. Kleeven, P. Verbruggen, J. van de Walle
IBA, Louvain-la-Neuve, Belgium

The first unit of the IBA superconducting synchrocyclotron (S2C2) has been installed in Nice, France, and is currently being commissioned. In this communication, we will present some issues encountered during the commissioning of our first synchrocyclotron for protontherapy. We will mainly focus on beam aspects, showing the influence of several machine parameters on beam properties like stability, energy and intensity.

Poster TUP07 [1.403 MB]

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TUD03

Development of the Cyclone® Kiube: A Compact, High Performance and Self-Shielded Cyclotron for Radioisotope Production

238

B. Nactergal, M. Abs, S. De Neuter, W.J.G.M. Kleeven, E.K. Kral, V. Nuttens, S. Zaremba, J. van de Walle
IBA, Louvain-la-Neuve, Belgium

About 15 months ago, at IBA, we have launched the design, construction, tests and industrialization of an innovative isochronous cyclotron for PET isotope production (patent applications pending). The design has been optimized for cost effectiveness, compactness, ease of maintenance, activation reduction and high performances, with a particular emphasis on its application on market. Multiple target stations can be placed around the vacuum chamber. An innovative extraction method (patent applications pending) has been designed which allows to obtain the same extracted beam sizes and properties on the target window independent of the target position.

Slides TUD03 [2.687 MB]

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THB01

The S2C2: From Source to Extraction

285

J. van de Walle, M. Abs, E. Forton, S. Henrotin, Y. Jongen, W.J.G.M. Kleeven, P. Verbruggen
IBA, Louvain-la-Neuve, Belgium
M. Conjat, J. Mandrillon, P. Mandrillon
AIMA, Nice, France

Apart from being the first constructed superconducting accelerator, the S2C2 is also the first synchro-cyclotron at IBA. To study the beam dynamics, new computational tools had to be developed dealing with much larger number of turns, the longitudinal capture in the central region and the regenerative extraction. The S2C2 is a medical accelerator requiring a precise control of the beam characteristics so a deep understanding of beam dynamics is mandatory. Our simulation strategy allows to gain important insight in the acceleration process and beam characteristics: the beam emittance and energy spread, beam losses, effects of coil misalignments, median plane errors, resonances, etc. The simulation tools are split in three parts. At first, protons are tracked from the source up to about 3 MeV with the in-house tracking code AOC. In a second part, only the energy, RF phase and orbit centers are tracked as a function of time. Finally, a detailed tracking from 225 MeV up to extraction is performed with AOC. Simulations are compared to experimental observations during in-factory testing and commissioning of the first S2C2 installed in Nice, France.

Slides THB01 [2.574 MB]

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