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The J-PARC linac was consist of 324MHz low-{\beta} section and 972MHz high-{\beta} section. There is a total of 48 stations. And each station was equipped with an independent LLRF (Low-Level Radio Frequency) system to realize an…

Accelerator Physics · Physics 2018-03-28 S. Li , K. Futatsukawa , Y. Fukui , Z. Fang , S. Shinozaki , Y. Sato , S. Mizobata

The electronics of the LUX-ZEPLIN (LZ) experiment, the 10-tonne dark matter detector to be installed at the Sanford Underground Research Facility (SURF), consists of low-noise dual-gain amplifiers and a 100-MHz, 14-bit data acquisition…

Instrumentation and Detectors · Physics 2016-04-13 Dev Ashish Khaitan

The LIGHT (Linac for Image-Guided Hadron Therapy) project was initiated to develop a modular proton accelerator delivering beam with energies up to 230 MeV for cancer therapy. The machine consists of three different kinds of accelerating…

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

Shanghai Synchrotron Radiation Facility (SSRF), is one of the third-generation high-beam current (3.5 GeV) synchrotron light sources. In the storage ring of SSRF, multi-bunch instabilities would increase beam emittance and energy spread,…

Instrumentation and Detectors · Physics 2019-07-25 Jinxin Liu , Lei Zhao , Linsong Zhan , Shubin Liu , Qi An

Injection performance of storage ring is one of the important factors for the light efficiency and quality of Synchrotron Radiation Facility when it is in top-up mode. To evaluate the injection performance of storage ring at SSRF, we build…

Accelerator Physics · Physics 2015-09-30 Yong Yang , Yong-Bin Leng , Ying-Bing Yan , Zhi-Chu Chen

SPARC_LAB is a high-brightness electron photoinjector dedicated to FEL radiation production and research on novel acceleration techniques. It has been in operation at LNF since 2005. It is composed of a newly designed brazeless 1.6-cell…

The FLASH L-band (1.3 GHz) superconducting accelerator facility at DESY has a Low Level RF (LLRF) system that is similar to that envisioned for ILC. This system has extensive monitoring capability and was used to gather performance data…

Accelerator Physics · Physics 2014-11-21 Shilun Pei , Chris E. Adolphsen , John Carwardine , Nicholas John Walker

The European Spallation Source (ESS) accelerator is composed of superconducting elliptical cavities. When the facility is running, the cavities are fed with electrical field from klystrons. Parameters of this field are monitored and…

Accelerator Physics · Physics 2020-11-02 K. Klys , W. Cichalewski , W. Jalmuzna , A. Mielczarek , P. Perek , A. Napieralski

A high-resolution beam telescope is one of the most important and demanding infrastructure components at any test beam facility. Its main purpose is to provide reference particle tracks from the incoming test beam particles to the test beam…

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

Synchrotron radiation with the characteristic of high brilliance, high level of polarization, high collimation, low emittance and wide tunability in energy has been used as a standard source in metrology(1, 2). For a decade, lots of…

Instrumentation and Detectors · Physics 2019-08-17 LI Hua-Peng , Kun Tang , Yi-Dong Zhao , Lei Zheng , Shu-Hu Liu , Xiao-Liang Zhao , Ya-Shuai Zhao

The Fermilab Booster uses multi-turn beam injection with all its cavities phased such that beam sees a net zero RF voltage even when each station is at the same maxi-mum voltage. During beam capture the RF voltage is increased slowly by…

This work considers a dual-functional radar and communication (DFRC) system with an active reconfigurable intelligent surface (RIS) and a potential eavesdropper. Our purpose is to maximize the secrecy rate (SR) of the system by jointly…

Signal Processing · Electrical Eng. & Systems 2024-02-06 Yang Zhang , Hong Ren , Cunhua Pan , Boshi Wang , Zhiyuan Yu , Ruisong Weng , Tuo Wu , Yongchao He

PIP-II is a superconducting linac that is in the initial acceleration chain for the Fermilab accelerator complex. The RF system consists of a warm front-end with an RFQ and buncher cavities along with 25 superconducting cryo-modules…

Accelerator Physics · Physics 2025-10-29 P. Varghese , S. Raman , M. Guran , L. Reyes , L. Doolittle , Q. Du , S. Murthy

Superconducting cavities (SRF) are widely used in new generation particle accelerators, increasing the requirements and specifications for new designs. The LLRF control system, including the detuning control due to mechanical perturbations,…

Accelerator Physics · Physics 2019-10-21 Josu Jugo , Ander Elejaga , Pablo Echevarria

Operation of Superconducting Radio Frequency (SRF) cavities with high loaded quality factors is becoming increasingly preferred for applications which involve low beam loading including Energy Recovery Linacs (ERL). Vibration induced…

Accelerator Physics · Physics 2019-05-15 Nilanjan Banerjee , Georg Hoffstaetter , Matthias Liepe , Peter Quigley , Zeyu Zhou

The RF part of the new high current injector-linac HSI consists of five cavities with the new operating frequency of 36 MHz instead of 27 MHz of the removed Wideroe type injector. The calculated power requirements of the cavities including…

Accelerator Physics · Physics 2007-05-23 G. Hutter , W. Gutowski , W. Hartmann , G. Kube , M. Pilz , W. Vinzenz

The injection control system of Hefei Light Source (HLS) storage ring is a subsystem of the upgraded HLS control system, which is based upon EPICS. Three programmable logic controllers (PLCs) are used as device controllers, which control…

Accelerator Physics · Physics 2007-05-23 Gongfa Liu , Jingyi Li , Weimin Li , Chuan Li , Kaihong Li , Lei Shang

Three storage ring lattices have been designed as options for a future upgrade of the Stanford synchrotron radiation lightsource (SSRL). The three options differ in circumference and targeted future site, with one to be built in the tunnel…

Accelerator Physics · Physics 2024-01-30 Pantaleo Raimondi , Xiaobiao Huang , Jaehyun Kim , James Safranek , Tom Rabedeau