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Energy-transfer efficiency is an important quantity in plasma-wakefield acceleration, especially for applications that demand high average power. Conventionally, the efficiency is measured using an electron spectrometer; an invasive method…

The High Energy Photon Source (HEPS), is the first fourth-generation storage ring light source being built in the suburb of Beijing, China. The storage ring was designed with the emittance lower than 60 pm.rad with a circumference of 1.36…

Accelerator Physics · Physics 2024-06-07 Yuemei Peng , Daheng Ji , Hongfei Ji , Nan Li , Xiaohan Lu , Saike Tian , Yuanyuan Wei , Haisheng Xu , Yaliang Zhao , Yi Jiao , Jingyi Li

The HICAT project is a Heavy Ion accelerator for light ion Cancer Treatment to be built for the clinics in Heidelberg, Germany. It consists of a 7 MeV/u linac, a compact synchrotron and three treatment places, one of them equipped with a…

Accelerator Physics · Physics 2007-05-23 Ralph C. Baer , Hartmut Eickhoff , Thomas Haberer

The Pohang Accelerator Laboratory operates an electron linac for the pulsed neutron source as one of the long-term nuclear R&D programs at the Korea Atomic Energy Research Institute. The designed beam parameters are as follows; The nominal…

Accelerator Physics · Physics 2008-11-26 G. N. Kim , H. S. Kang , Y. S. Lee , M. H. Cho , I. S. Ko , W. Namkung

Many present and future accelerators must operate with high intensity beams when distortions induced by space charge forces are among major limiting factors. Betatron tune depression of above approximately 0.1 per cell leads to significant…

Accelerator Physics · Physics 2018-05-09 A. Romanov , A. Valishev , D. L. Bruhwiler , N. Cook , C. Hall

In preparation for operation of multiple Rare Isotope Beams (RIBs) when the Advanced Rare Isotope Laboratory (ARIEL) becomes operational, TRIUMF embarked on a program of advanced beam tuning applications and machine learning tools. The…

Accelerator Physics · Physics 2025-07-16 O. Hassan , O. Shelbaya , W. Fedorko , T. Planche , O. Kester

The aim of the FLASH linac is to create electron bunches of small transverse emittance and high current for the free electron laser facility FLASH at DESY. Available operational experience indicates that in order to optimize SASE signal at…

Accelerator Physics · Physics 2013-05-08 V. Balandin , N. Golubeva

In microdosimetry, lineal energies y are calculated from energy depositions $\epsilon$ inside the microdosimeter divided by the mean chord length, whose value is based on geometrical assumptions on both the detector and the radiation field.…

Modern and future particle accelerators employ increasingly higher intensity and brighter beams of charged particles and become operationally limited by coherent beam instabilities. Usual methods to control the instabilities, such as…

Accelerator Physics · Physics 2017-10-04 Vladimir Shiltsev , Yuri Alexahin , Alexey Burov , Alexander Valishev

For integrated sensing and communication (ISAC) systems, the channel information essential for communication and sensing tasks fluctuates across different timescales. Specifically, wireless sensing primarily focuses on acquiring path state…

Information Theory · Computer Science 2023-10-18 Zhiqiang Xiao , Yong Zeng , Fuxi Wen , Zaichen Zhang , Derrick Wing Kwan Ng

Many advanced techniques have been developed, tested and implemented in the last decades in almost all circular accelerators across the world to measure the linear optics. However, the greater availability and accuracy of beam diagnostics…

Accelerator Physics · Physics 2018-04-18 Andrea Franchi

Pulsed microwave stability in linear accelerators (LINACs) is critical for maintaining high-quality electron beams in synchrotron radiation and free-electron laser (FEL) facilities. This study establishes and validates a zero-crossing…

Accelerator Physics · Physics 2025-04-09 Jinfu Zhu , Hongli Ding , Haokui Li , Qiaoye Ran , Jiayue Yang , Weiqing Zhang

After irradiating various medical linac parts with photon beams, we performed underground gamma-ray spectroscopy (GRS) measurements of the samples only a few minutes after the irradiations, in order to observe activated short-lived…

Medical Physics · Physics 2018-05-29 Patrick Weber , Jean-Luc Vuilleumier , Geoffroy Guibert , Claire Tamburella

In future linear colliders the luminosity will depend on maintaining the small emittance aspect ratio delivered by damping rings. Correction of cross-plane coupling can be important in preventing dilution of the beam emittance. In order to…

Accelerator Physics · Physics 2007-05-23 M. D. Woodley , P. E. Emma

Experts in different accelerator laboratories accumulated wide experience in RFQ designing. Nevertheless new tasks on high-power, high-energy CW linac designing (for example, for ADT applications) were appeared recently. Such accelerators…

Accelerator Physics · Physics 2007-05-23 Boris I. Bondarev , Alexander P. Durkin

In this note, we address the beam performance (particle content, rates) with emphasis on the momentum determination and particle identification methods for the new H2-VLE (Very Low Energy) beam line that will serve the double phase…

Instrumentation and Detectors · Physics 2016-08-04 Nikolaos Charitonidis , Ilias Efthymiopoulos , Yannis Karyotakis

The reflectometry on Experimental Advanced Superconducting Tokamak (EAST) is undergoing an upgrade for more comprehensive measurement of plasma density profile and fluctuation. The Data Acquisition and Control System (DACS) has been…

Instrumentation and Detectors · Physics 2019-09-04 Fei Wen , Haoming Xiang , Tao Zhang , Yuming Wang , Xiang Han , Hao Qu , Fubin Zhong , Kaixuan Ye , Mingfu Wu , Gongshun Li , Shoubiao Zhang , Xiang Gao

Crossing a horizontal nonlinear resonance is the approach that can be used to split a beam in several beamlets with the goal to perform multi-turn extraction from a circular particle accelerator. Such an approach has been successfully…

Accelerator Physics · Physics 2022-11-29 G. Russo , F. Cerutti , L. S. Esposito , G. Franchetti , M. Giovannozzi , J. R. Hunt , A. Huschauer

The development of compact accelerator facilities providing high-brightness beams is one of the most challenging tasks in field of next-generation compact and cost affordable particle accelerators, to be used in many fields for industrial,…

Characterizing the full 6-dimensional phase-space distribution of beams from the LCLS-II photoinjector is essential for understanding and optimizing downstream accelerator performance. Long-term monitoring of this distribution is equally…