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A compact low-level RF (LLRF) control system based on RF system-on-chip (RFSoC) technology has been designed for the Advanced Concept Compact Electron Linear-accelerator (ACCEL) program, which has challenging requirements in both RF…

In the last ten years the use of proton beams in radiation therapy has become a clinical tool for treatment of deep-seated tumours. LIBO is a RF compact and low cost proton linear accelerator (SCL type) for hadrontherapy. It is conceived by…

Accelerator Physics · Physics 2009-09-29 Paolo Berra

The Low-Level RF (LLRF) control circuits of linear accelerators (LINACs) are conventionally realized with heterodyne based architectures, which have analog RF mixers for up and down conversion with discrete data converters. We have…

Accelerator Physics · Physics 2024-08-23 Chao Liu , Ryan Herbst , Larry Ruckman , Emilio Nanni

The project of a10MeV PET cyclotron accelerator for medical diagnosis and treatment was started at Amirkabir University of Technology in 2012. The low-level RF system of cyclotron accelerator is designed to stabilize acceleration voltage…

Accelerator Physics · Physics 2015-04-22 M. S. Sharifi Asadi Malafeh , M. Ghergherehchi , H. Afarideh , J. S. Chai

Normal conducting linear particle accelerators consist of multiple rf stations with accelerating structure cavities. Low-level rf (LLRF) systems are employed to set the phase and amplitude of the field in the accelerating structure, and to…

Accelerator Physics · Physics 2025-04-14 C. Liu , L. Ruckman , R. Herbst , D. Palmer , V. Borzenets , A. Dhar , D. Amirari , R. Agustsson , R. Berry , E. Nanni

The proposed Next Linear Collider (NLC) contains linac systems operating at L,S,C, and X band. This paper describes a wideband modular low-level RF (LLRF) system applicable for all NLC pulsed RF systems. High speed digital IF techniques are…

Accelerator Physics · Physics 2007-05-23 P. Corredoura , C. Adolphsen

Low Level RF (LLRF) control systems of linear accelerators (LINACs) are typically implemented with heterodyne based architectures, which have complex analog RF mixers for up and down conversion. The Gen 3 Radio Frequency System-on-Chip…

Accelerator Physics · Physics 2024-05-15 C. Liu , R. Herbst , B. Hong , L. Ruckman , E. A. Nanni

We report on the development of a radio frequency (RF) linear accelerator (linac) for multiple-ion beams that is made from stacks of low cost wafers. The accelerator lattice is comprised of RF-acceleration gaps and electrostatic quadrupole…

CEA is committed to the design, construction and commissioning of a Medium Energy Beam Transfer line and a superconducting linac (SCL) for SARAF accelerator in order to accelerate 5mA beam of either protons from 1.3 MeV to 35 MeV or…

Accelerator Physics · Physics 2019-10-15 L. Zhao , G. Ferrand , F. Gougnaud , R. Duperrier , N. Pichoff , C. Marchand

KAERI (Korea Atomic Energy Research Institute) has been performing the project named KOMAC (Korea Multi-purpose Accelerator Complex) within the frame work of national mid and long term nuclear research plan. The final objectives of KOMAC is…

Accelerator Physics · Physics 2010-01-05 B. H. Choi

We propose an innovative linear accelerating structure, particularly suited for hadrontherapy applications. Its two main features are compactness and good power efficiency at low beam velocities: the first is achieved through a high working…

The Advanced Light Source (ALS) at LBNL is upgrading several LLRF systems for its Linac and Sub-Harmonic Bunchers, where it is desired to have a unified LLRF system design to support various RF frequencies (at 125MHz, 500MHz and 3GHz) and…

SLAC National Accelerator Laboratory is collaborating with Arizona State University to design a LLRF system towards the advancement of the ASU Compact X-ray Light Source (CXLS). The CXLS is a phased project to develop small brilliant x-ray…

Accelerator Physics · Physics 2019-10-02 A. Young , J. M. D Ewart , J. Frisch , B. Hong , T. Straumann , M. Weaver , C. Xu

A dedicated clinical synchrotron facility for cancer therapy using energetic proton and ion beams (C, He and O) has been designed at GSI for the Radiologische Universitaetsklinik at Heidelberg, Germany. The design of the injector linac is…

Accelerator Physics · Physics 2007-05-23 B. Schlitt , A. Bechtold , U. Ratzinger , A. Schempp

The China spallation neutron source (CSNS) linac is designed with beam energy of 81MeV and a peak current of 15mA in the first phase. The RF power system for the 81 MeV Linac requires 8 units of RF power sources, each unit has one…

Accelerator Physics · Physics 2019-09-26 Linyan Rong , Zhencheng Mu , Zhexin Xie , Bo Wang , Wenzhong Zhou , Maliang Wan , Meifei Liu , Jian Li , Xinan Xu

The linear accelerator (LINAC) at the Los Alamos Neu-tron Science Center (LANSCE) consists of Pre-buncher, Main-Buncher, low-energy beam transport (LEBT), four 201.25-MHz Drift Tube Linacs (DTLs) and forty-four 805-MHz Coupled Cavity Linacs…

Accelerator Physics · Physics 2022-11-15 Sungil Kwon , A. Archuleta , L. Castellano , C. Marchwinski , M. Prokop , P. Van Rooy , P. Torrez

The Radio-Frequency Quadrupole (RFQ) linac that will accelerate a 20mA proton beam from 50keV to 3MeV has been designed and is being fabricated as the first phase, KOMAC Test Facility (KTF), of the Korea Multipurpose Accelerator Complex…

Accelerator Physics · Physics 2007-05-23 J. M. Han

Radio-frequency linear accelerators are used as injectors for synchrotrons and as stand-alone accelerators for the production of intense particle beams, thanks to their ability to accelerate high beam currents at high repetition rates. This…

Accelerator Physics · Physics 2013-03-28 Maurizio Vretenar

The construction of the 60-MeV proton linac has started as a low-energy front of the KEK/JAERI Joint Project for a high-intensity proton accelerator facility at KEK. The accelerating frequency is 324 MHz. Five UHF klystrons are used as an…

Accelerator Physics · Physics 2007-05-23 S. Fukuda , A. Anami , C. Kubota , M. Kawamura , S. Yamaguchi , M. Ono , H. Nakanishi , S. Miyake , M. Sakamoto

The accelerator for the APT Project is a 100 mA CW proton linac with an output energy of 1030 MeV. A High Energy Beam Transport (HEBT) conveys the beam to a raster expander, that provides a large rectangular distribution at a target/blanket…

Accelerator Physics · Physics 2008-11-26 J. F. Tooker , R. Bourque , D. Christiansen , J. Kamperschroer , G. Laughon , M. McCarthy , M. Schulze
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