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Related papers: Low-energy Ion Beam Diagnostics: An Integrated Sol…

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As the pre-injector of the LHC injector chain, the proton linac at CERN is required to provide a high-intensity (180mA) beam to the Proton Synchrotron Booster. The results of measurements at this intensity will be presented. Furthermore,…

Accelerator Physics · Physics 2007-05-23 C. E. Hill , A. Lombardi , R. Scrivens , M. Vretenar , A. Feschenko , A. Liou

The bulk irradiation of materials with 10-30 MeV protons promises to advance the study of radiation damage for fission and fusion power plants. Intermediate energy proton beams can now be dedicated to materials irradiation within…

A 52MHz Radio Frequency Quadrupole (RFQ) linear accelerator (linac) is designed to serve as an initial structure for the SSC-linac system (injector into Separated Sector Cyclotron). The designed injection and output energy are 3.5 keV/u and…

Accelerator Physics · Physics 2016-09-08 Xiao Chen , He Yuan , Yuan You-Jin , Liu Yong , Xia Jia-Wen , Lu Yuan-Rong , Yuri Batygin

Microwave reflectometry is a non-intrusive plasma diagnostic tool which is widely applied in many fusion devices. In 2014, the microwave reflectometry on Experimental Advanced Superconducting Tokamak (EAST) had been upgraded to measure…

Instrumentation and Detectors · Physics 2016-11-17 Fei Wen , Tao Zhang , Shoubiao Zhang , Defeng Kong , Yuming Wang , Xiang Han , Hao Qu , Xiang Gao

We have developed high-efficiency normal-conducting RF accelerating structures by combining H-mode resonator cavities and a transverse beam focusing by permanent-magnet quadrupoles (PMQ), for beam velocities in the range of a few percent of…

Accelerator Physics · Physics 2011-04-20 Sergey S. Kurennoy , Lawrence J. Rybarcyk , James F. O'Hara , Eric R. Olivas , Thomas P. Wangler

The Radio Frequency Quadrupole of SANAEM Project Prometheus will be a demonstration and educational machine which will accelerate protons from 20 keV to 1.5 MeV. The project is funded by Turkish Atomic Energy Authority and it will be…

Accelerator Physics · Physics 2015-04-30 G. Turemen , Z. Sali , B. Yasatekin , V. Yildiz , M. Celik , A. Alacakir , G. Unel , O. Mete

Many modern and future particle accelerators employ high gradient superconducting RF (SRF) to generate beams of high energy, high intensity and high brightness for research in high energy and nuclear physics, basic energy sciences, etc. In…

For the PIP-II Injector Test (PI-Test) at Fermilab, a four-vane radio frequency quadrupole (RFQ) is designed to accelerate a 30-keV, 1-mA to 10-mA, H- beam to 2.1 MeV under both pulsed and continuous wave (CW) RF operation. The available…

Accelerator Physics · Physics 2016-12-20 A. L. Edelen , S. G. Biedron , S. V. Milton , D. Bowring , B. E. Chase , J. P. Edelen , D. Nicklaus , J. Steimel

The measurement of the longitudinal behavior of the accelerated particle beams at Fermilab is crucial to the optimization and control of the beam and the maximizing of the integrated luminosity for the particle physics experiments.…

Instrumentation and Detectors · Physics 2011-10-19 R. Thurman-Keup , C. Bhat , W. Blokland , J. Crisp , N. Eddy , B. Fellenz , R. Flora , A. Hahn , S. Hansen , T. Kiper , A. Para , S. Pordes , A. V. Tollestrup

Beam measurement is very important for accelerators. With the development of analog-to-digital conversion techniques, digital beam measurement becomes a research hot spot. IQ (In-phase & Quadrature-phase) analysis based method is an…

Accelerator Physics · Physics 2016-08-03 Lei Zhao , Linsong Zhan , Xingshun Gao , Shubin Liu , Qi An

To achieve Ampere-class electron beam accelerators the pulse delivery rate need to be much higher than the typical photo injector repetition rate of the order of a few kilohertz. We propose here an injector which can, in principle, generate…

Accelerator Physics · Physics 2022-09-13 Y. Ji , R. C. Dhuley , C. Edward , J. C. T. Thangaraj , D. Mihalcea , P. Piot O. Mohsen , I. Salehinia , V. Korampally

There are applications, which require MeV-range multiple-beams consisting of a large number of identical highly packed beamlets. The multiple-beam RFQ (MB-RFQ) arranged as a matrix array of longitudinal rod-electrodes is appropriate…

Accelerator Physics · Physics 2007-05-23 V. Kapin , M. Inoue , Y. Iwashita , A. Noda

The superconducting (SC) High Intensity and Energy (HIE) ISOLDE linac will replace most of the existing accelerating infrastructure of the Radioactive ion beam EXperiment (REX) at CERN, however, the 101.28 MHz RFQ and 5 MV IH cavity will…

Accelerator Physics · Physics 2010-10-12 M. A. Fraser , M. Pasini , R. M. Jones , D. Voulot

Efficient transport of high-current negative ion beams is critical for accurate plasma potential diagnostics using heavy-ion beam probe (HIBP) systems in magnetically confined fusion plasmas. However, strong space-charge effects often…

Plasma Physics · Physics 2025-09-23 M. Nishiura , K. Nakamura , K. Ueda , A. Shimizu , H. Takubo , M. Kanda , T. Ido , M. Okamura

A superconducting RF accelerator test facility is currently under construction at Fermilab. The accelerator will consist of an electron gun, 40 MeV injector, beam acceleration section consisting of 3 TTF-type or ILC-type cryomodules, and…

Accelerator Physics · Physics 2012-09-19 M. Church , J. Leibfritz , S. Nagaitsev

We propose a hybrid laser-driven ion acceleration scheme using a combination target of a solid foil and a density-tailored background plasma. In the first stage, a sub-relativistic proton beam can be generated by the radiation pressure…

Plasma Physics · Physics 2018-06-29 M. Liu , S. M. Weng , H. C. Wang , M. Chen , Q. Zhao , Z. M. Sheng , M. Q. He , Y. T. Li , J. Zhang

This paper presents a list of Low Energy Beam Transport (LEBT) facilities for light-ion, high-intensity accelerators. It was put together to facilitate comparisons with the PXIE LEBT design choices. A short discussion regarding the…

Accelerator Physics · Physics 2016-02-18 Lionel R. Prost

Recently, we presented a new approach for a compact radio-frequency (RF) accelerator structure and demonstrated the functionality of the individual components: acceleration units and focusing elements. In this paper, we combine these units…

Accelerator Physics · Physics 2018-02-02 P. A. Seidl , A. Persaud , W. Ghiorso , Q. Ji , W. L. Waldron , A. Lal , K. B. Vinayakumar , T. Schenkel

Beam position monitors (BPMs) are indispensable components of modern particle accelerators, providing real-time diagnostics to ensure precise beam control, stability, and quality. As accelerators such as the International Linear Collider…

We have used a commercial RF ion-source to extract a beam of metastable neon atoms. The source was easily incorporated into our existing system and was operative within a day of installation. The metastable velocity distribution, flux,…

Atomic Physics · Physics 2015-06-23 B. Ohayon , E. Wåhlin , G. Ron
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