English
Related papers

Related papers: The PXIE LEBT Design Choices

200 papers

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…

Low-energy heavy-ion beams are fundamentally limited by severe space-charge divergence, which constrains the transportable beam current to a few microamperes in conventional electrostatic accelerators. This limitation is particularly…

Plasma Physics · Physics 2026-01-07 M. Nishiura , T. Ido , M. Okamura , K. Ueda , A. Shimizu , H. Takubo

A high peak current, flat longitudinal phase space electron beam is desirable for efficient x-ray free electron laser (FEL) radiation in next generation light sources. To attain such a beam requires the extensive design of the linear…

Accelerator Physics · Physics 2019-10-23 Ji Qiang

Plasma-Based Acceleration (PBA) has emerged as a promising approach to achieve ultra-high gradient particle acceleration. While extensive PBA studies have been conducted using laser, electron, and proton drivers, significant challenges…

Accelerator Physics · Physics 2025-06-18 Jiangdong Li , Jiancheng Yang , Guoxing Xia , Jie Liu , Wenlong Zhan , Ruihu Zhu

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

The main features of radio-frequency linear accelerators are introduced, reviewing the different types of accelerating structures and presenting the main characteristics aspects of linac beam dynamics.

Accelerator Physics · Physics 2016-01-21 M. Vretenar

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 intensity laser driven proton beams are at present receiving much attention. The reasons for this are many but high on the list is the potential to produce compact accelerators. However two of the limitations of this technology is that…

A capability to provide a large variety of bunch patterns is crucial for the concept of the Project X serving MW-range beam to several experiments simultaneously. This capability will be realized by the Medium Energy Beam Transport's (MEBT)…

Accelerator Physics · Physics 2013-01-25 V. Lebedev , A. Chen , R Pasquinelli , D. Peterson , G. Saewert , A. Shemyakin , D. Sun , M. Wendt , T. Tang

The intrinsic constraints in the amplitude of the accelerating fields sustainable by radio-frequency accelerators demand for the pursuit of alternative and more compact acceleration schemes. Among these, plasma-based accelerators are…

Plasma Physics · Physics 2018-06-08 Aaron Alejo , Roman Walczak , Gianluca Sarri

The KAHVE Laboratory, at Bo\u{g}azi\c{c}i University, Istanbul, Turkey is home to an educational proton linac project. The proton beam will originate from a 20 keV H+ source and will be delivered to a two module Radio Frequency Quadrupole…

The PROMETHEUS Project is ongoing for the design and development of a 4-vane radio frequency quadrupole (RFQ) together with its H+ ion source, a low energy beam transport (LEBT) line and diagnostics section. The main goal of the project is…

New high current accelerator facilities like proposed for HIDIF or ESS require a beam with a high brilliance. These beams can not be produced by a single pass rf-linac. The increase in brightness in such a driver linac is done by several…

Accelerator Physics · Physics 2007-05-23 H. Zimmermann

'Low-beta' radio-frequency accelerating structures are used in the sections of a linear accelerator where the velocity of the particle beam increases with energy. The requirement for space periodicity to match the increasing particle…

Accelerator Physics · Physics 2012-01-13 M. Vretenar

The Low-Energy Demonstration Accelerator (LEDA) radio-frequency quadrupole (RFQ) is a 100% duty factor (CW) linac that delivers >100 mA of H+ beam at 6.7 MeV. The 8-m-long, 350-MHz RFQ structure accelerates a dc, 75-keV, 110-mA H+ beam from…

Accelerator Physics · Physics 2012-08-27 M. E. Schulze , J. D. Gilpatrick , W. P. Lysenko , L. J. Rybarcyk , J. D. Schneider , H. V. Smith, , L. M. You

The goal of this manuscript is to give an introduction into the design of the magnet lattice and as a consequence into the transverse dynamics of the particles in a synchrotron or storage ring. Starting from the basic principles of how to…

Accelerator Physics · Physics 2013-03-27 Bernhard J. Holzer

Treatment delivery is largely determined by capabilities of the beam delivery system (BDS), where faster delivery can have many potential benefits including improved dosimetric quality, utility, cost effectiveness, patient throughput and…

Medical Physics · Physics 2026-01-21 Jacinta Yap , Adam Steinberg , Hannah Norman , Konrad Nesteruk , Suzie Sheehy

Recently, the Low-Energy Demonstration Accelerator (LEDA) portion of the Accelerator Production of Tritium (APT) project reached its 100-mA, 8-hr CW beam operation milestone. LEDA consists of a 75-keV proton injector, 6.7-MeV, 350-MHz CW…

Accelerator Physics · Physics 2007-05-23 L. J. Rybarcyk , J. D. Schneider , H. V. Smith , L. M. Young , M. E. Schulze

We access the possibility of using the conventional RF accelerator as an injector for the plasma driven wakefield accelerator. Conventional accelerators deliver high quality beams with low emittance and low energy spread. Once injected into…

Ion sources are a critical component of all particle accelerators. They create the initial beam that is accelerated by the rest of the machine. This paper will introduce the many methods of creating a beam for high-power hadron…

Accelerator Physics · Physics 2013-02-18 Dan Faircloth