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There is demand for the construction of a medium-energy ion linear accelerator based on superconducting rf (SRF) technology. It must be capable of producing several hundred kilowatts of CW beams ranging from protons to uranium. A…

Accelerator Physics · Physics 2011-07-18 P. N. Ostroumov , J. A. Nolen , K. W. Shepard

The construction of the initial part of a normally conducting linac for hydrogen ion beams with a pulsed current of ~20 mA up to an energy of ~70 MeV is considered. The RFQ at a frequency of ~160 MHz accelerates ions to an energy of ~4 MeV.…

Accelerator Physics · Physics 2023-09-21 V. V. Paramonov , A. P. Durkin , L. Yu. Ovchinnikova , I. V. Rybakov

Recent ion source developments resulted in the generation of high brilliance, high current beams of protons and light ions. After extraction and transport the beams with large internal space charge forces have to be captured, bunched and…

Accelerator Physics · Physics 2007-05-23 A. Sauer , H. Deitinghoff , H. Klein

This paper describes a design for the front end of a superconducting (SC) ion linac which can accept and simultaneously accelerate two charge states of uranium from an ECR ion source. This mode of operation increases the beam current…

Accelerator Physics · Physics 2007-05-23 P. N. Ostroumov , K. W. Shepard , V. N. Aseev , A. A. Kolomiets

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…

High gradient accelerator injectors have been widely studied throughout the world-leading accelerator facilities. The demand for high frequency cavities have led the Detector, Accelerator and instrumentation laboratory (KAHVELab) in…

IsoDAR is a novel experiment designed to measure neutrino oscillations through $\bar{\nu}_e$ disappearance, thus providing a definitive search for sterile neutrinos. In order to generate the necessary anti-neutrino flux, a high intensity…

Accelerator Physics · Physics 2015-07-28 Daniel Winklehner , Robert Hamm , Jose Alonso , Janet Conrad

A CW-compatible, pulsed H- superconducting linac "PIP-II" is being planned to upgrade Fermilab's injection complex. To validate the front-end concept, a test accelerator (The PIP-II Injector Test, formerly known as "PXIE") is under…

At the Holifield Radioactive Ion Beam Facility (HRIBF) at Oak Ridge National Laboratory (ORNL), molecular ions extracted from a positive ion source and subsequently broken up in a charge exchange cell produce Radioactive Ion Beams (RIBs)…

Accelerator Physics · Physics 2007-05-23 Y. Zhang , P. E. Mueller

The use of existing linacs, and in particular light source injectors, for free-electron laser (FEL) experiments is becoming more common due to the desire to test FELs at ever shorter wavelengths. The high-brightness, high-current beams…

Accelerator Physics · Physics 2008-11-26 G. Travish , S. Biedron , M. Borland , M. Hahne , K. Harkay , J. W. Lewellen , A. Lumpkin , S. Milton , N. Sereno

The CLIC study of a high-energy (0.5 - 5 TeV), high-luminosity (1034 - 1035 cm-2 sec-1) e+e- linear collider is presented. Beam acceleration using high frequency (30 GHz) normal-conducting structures operating at high accelerating fields…

Accelerator Physics · Physics 2008-11-26 Jean-Pierre Delahaye , Ian Wilson

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

Two barrier RF systems were fabricated, tested and installed in the Fermilab Main Injector. Each can provide 8 kV rectangular pulses (the RF barriers) at 90 kHz. When a stationary barrier is combined with a moving barrier, injected beams…

Accelerator Physics · Physics 2010-01-18 W. Chou , D. Capista , J. Griffin , K-Y. Ng , D. Wildman

Fermilab is planning the construction of a prototype front end of the Project X linac. The Project X Injector Experiment (PXIE) is expected to accelerate 1 mA cw H- beam up to 30 MeV. Some of the major goals of the project are to test a cw…

Accelerator Physics · Physics 2013-01-30 V. A. Lebedev , A. V. Shemyakin , J. Steimel , M. Wendt , B. M. Hanna , L. R. Prost , V. E. Scarpine

The UNILAC was improved for high current performance by replacing the Wideroe prestripper accelerator by an RFQ and an IH-type DTL. In addition, one of two ion source terminals was equipped with high current sources of MUCIS- and…

Accelerator Physics · Physics 2016-09-08 L. Dahl , P. Spaedtke

Radio-frequency quadrupole (RFQ) linear accelerators appeared on the accelerator scene in the late 1970s and have since revolutionized the domain of low-energy proton and ion acceleration. The RFQ makes the reliable production of…

Accelerator Physics · Physics 2013-03-28 Maurizio Vretenar

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

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

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

In order to dissipate long-lived radioactive waste, not only high ux proton accelerator but also electron linac have been proposed. A proton accelerator directly induces nuclear fission and mutation. On the other hand, electron beam has two…

Accelerator Physics · Physics 2021-04-20 Y. Kawashima , T. Asaka , H. Ego , M. Hara
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