CYCLOTRONS2022 - List of Keywords (ISOL)

Paper	Title	Other Keywords	Page
MOBI02	Status of SPES Cyclotron at Laboratori Nazionali of Legnaro	cyclotron, MMI, target, proton	26
	M. Maggiore, P. Antonini, L. Pranovi, A. Ruzzon INFN/LNL, Legnaro (PD), Italy
	The SPES cyclotron at Laboratori Nazionali di Legnaro was installed and commissioned on 2017 and the accelerator was operational until March 2021. The shut down was foreseen in order to permit the completion of the SPES facility, while the resume of activities is expected on 2023. The status of the SPES cyclotron and related high intensity beamlines will be presented as well as the last performance achieved in terms of accelerated current up to 1 MeV. Moreover the program of upgrade of the ancillary systems shall be discussed.
	Slides MOBI02 [15.756 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-CYCLOTRONS2022-MOBI02
About •	Received ※ 29 December 2022 — Revised ※ 12 January 2023 — Accepted ※ 31 January 2023 — Issue date ※ 12 February 2023
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

MOPO005	Impedance Characteristic Analysis and Matching Network Design for a 100 mA H⁻ Ion Source	network, plasma, ion-source, impedance	58
	A.X. Ding, H.R. Cai, X.L. Jia, P.Z. Li, Z.J. Nong, G.F. Pan, J.F. Wang, H. Zhang, T.J. Zhang, X. Zheng CIAE, Beijing, People’s Republic of China
	China Institute of Atomic Energy (CIAE) has developed a series of multi-cusp H⁻ ion sources (IS) with DC beam intensity ranging from 3 to 18 mA for high intensity proton cyclotron uses such as cyclotron PET application, neutron source and boron neutron capture therapy (BNCT) facilities. Based on the previous experiences, a new project of radio frequency (RF) antenna driving ion source has been launched for pulse accelerator research. This new ion source is expected to provide over 100 mA peak intensity H⁻ beams of 60 keV and a longer maintenance interval than conventional filament-driving ion sources above. Impedance matching is indispensable for efficient RF power coupling in the whole working process of the ion source for high-intensity H⁻ beam extraction. In this paper, impedance characteristic of the IS antenna with various plasma loading is analyzed. Eight typical matching topologies are discussed on their electrical requirements. A type-L and a type-γ network are finally selected for the 2 MHz and 13.56 MHz chains respectively. This design may provide a better compromise between the matching performance and the cost of implementation for a wide dynamic loading range. Design of the network is evaluated on the power delivering efficiency in each of the two RF chains and isolation between one and the other. The IS structure and near-future work plan are also presented.
	Poster MOPO005 [1.228 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-CYCLOTRONS2022-MOPO005
About •	Received ※ 24 December 2022 — Revised ※ 11 January 2023 — Accepted ※ 01 February 2023 — Issue date ※ 25 April 2023
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

THBO05	Commissioning of a 70 MeV Proton Cyclotron System of IBS, Korea	cyclotron, controls, MMI, site	282
	J.-W. Kim, Y.H. Yeon IBS, Daejeon, Republic of Korea
	A 70 MeV H⁻ cyclotron system was installed at the Shindong campus of Institute for Basic Science from Nov. 2021. Installation was guided by precision survey so as to locate main components to their final positions. Electrical cables and utility lines were then connected and validation was followed for the control and safety systems. Internal beams were accelerated in May and utilized to isochronize the magnetic field by Smith-Garren method involving a series of magnetic shimming. A beam of 70 MeV was firstly extracted in July and two beam lines were commissioned for the beam energies of 40-70 MeV. Site acceptance tests were carried out with a temporary beam line installed to measure beam profiles at the location of ISOL target, Finally, a maximum beam power of 50 kW was successfully tested for six hours.
	Slides THBO05 [8.492 MB]
DOI •	reference for this paper ※ doi:10.18429/JACoW-CYCLOTRONS2022-THBO05
About •	Received ※ 06 December 2022 — Revised ※ 25 January 2023 — Accepted ※ 28 January 2023 — Issue date ※ 08 July 2023
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Other Keywords

Page

MOBI02

Status of SPES Cyclotron at Laboratori Nazionali of Legnaro

cyclotron, MMI, target, proton

26

M. Maggiore, P. Antonini, L. Pranovi, A. Ruzzon
INFN/LNL, Legnaro (PD), Italy

The SPES cyclotron at Laboratori Nazionali di Legnaro was installed and commissioned on 2017 and the accelerator was operational until March 2021. The shut down was foreseen in order to permit the completion of the SPES facility, while the resume of activities is expected on 2023. The status of the SPES cyclotron and related high intensity beamlines will be presented as well as the last performance achieved in terms of accelerated current up to 1 MeV. Moreover the program of upgrade of the ancillary systems shall be discussed.

Slides MOBI02 [15.756 MB]

DOI •

reference for this paper ※ doi:10.18429/JACoW-CYCLOTRONS2022-MOBI02

About •

Received ※ 29 December 2022 — Revised ※ 12 January 2023 — Accepted ※ 31 January 2023 — Issue date ※ 12 February 2023

Cite •

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

MOPO005

Impedance Characteristic Analysis and Matching Network Design for a 100 mA H⁻ Ion Source

network, plasma, ion-source, impedance

58

A.X. Ding, H.R. Cai, X.L. Jia, P.Z. Li, Z.J. Nong, G.F. Pan, J.F. Wang, H. Zhang, T.J. Zhang, X. Zheng
CIAE, Beijing, People’s Republic of China

China Institute of Atomic Energy (CIAE) has developed a series of multi-cusp H⁻ ion sources (IS) with DC beam intensity ranging from 3 to 18 mA for high intensity proton cyclotron uses such as cyclotron PET application, neutron source and boron neutron capture therapy (BNCT) facilities. Based on the previous experiences, a new project of radio frequency (RF) antenna driving ion source has been launched for pulse accelerator research. This new ion source is expected to provide over 100 mA peak intensity H⁻ beams of 60 keV and a longer maintenance interval than conventional filament-driving ion sources above. Impedance matching is indispensable for efficient RF power coupling in the whole working process of the ion source for high-intensity H⁻ beam extraction. In this paper, impedance characteristic of the IS antenna with various plasma loading is analyzed. Eight typical matching topologies are discussed on their electrical requirements. A type-L and a type-γ network are finally selected for the 2 MHz and 13.56 MHz chains respectively. This design may provide a better compromise between the matching performance and the cost of implementation for a wide dynamic loading range. Design of the network is evaluated on the power delivering efficiency in each of the two RF chains and isolation between one and the other. The IS structure and near-future work plan are also presented.

Poster MOPO005 [1.228 MB]

DOI •

reference for this paper ※ doi:10.18429/JACoW-CYCLOTRONS2022-MOPO005

About •

Received ※ 24 December 2022 — Revised ※ 11 January 2023 — Accepted ※ 01 February 2023 — Issue date ※ 25 April 2023

Cite •

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

THBO05

Commissioning of a 70 MeV Proton Cyclotron System of IBS, Korea

cyclotron, controls, MMI, site

282

J.-W. Kim, Y.H. Yeon
IBS, Daejeon, Republic of Korea

A 70 MeV H⁻ cyclotron system was installed at the Shindong campus of Institute for Basic Science from Nov. 2021. Installation was guided by precision survey so as to locate main components to their final positions. Electrical cables and utility lines were then connected and validation was followed for the control and safety systems. Internal beams were accelerated in May and utilized to isochronize the magnetic field by Smith-Garren method involving a series of magnetic shimming. A beam of 70 MeV was firstly extracted in July and two beam lines were commissioned for the beam energies of 40-70 MeV. Site acceptance tests were carried out with a temporary beam line installed to measure beam profiles at the location of ISOL target, Finally, a maximum beam power of 50 kW was successfully tested for six hours.

Slides THBO05 [8.492 MB]

DOI •

reference for this paper ※ doi:10.18429/JACoW-CYCLOTRONS2022-THBO05

About •

Received ※ 06 December 2022 — Revised ※ 25 January 2023 — Accepted ※ 28 January 2023 — Issue date ※ 08 July 2023

Cite •

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