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The plasma-based acceleration is an encouraging technique to overcome the limits of the accelerating gradient in the conventional RF acceleration. A plasma accelerator is able to provide accelerating fields up to hundreds of $GeV/m$, paving…

The injector of C-ADS (Chinese Accelerator Driven Sub-critical System) project is a high current, fully super-conducting proton accelerator. Meanwhile, a BLM system is indispensable to this facility, especially in low energy segments. This…

Accelerator Physics · Physics 2013-12-10 Guangyi Ren , Ming Zeng , Yuan He , Yuxiong Li , Weimin Li

The CLIC Test Facility (CTF3) is an intermediate step to demonstrate the technical feasibility of the key concepts of the new RF power source for CLIC. CTF3 will use electron beams with an energy range adjustable from 170 MeV (3.5 A) to 380…

Accelerator Physics · Physics 2008-11-26 L. Rinolfi , H. Braun , R. Pittin , F. Zhou , B. Mouton , R. Miller , D. Yeremian

During proton therapy, the beam flux decreases due to inelastic interactions with nuclei. At the highest energies used in proton therapy around 25\% protons initiate nuclear reactions. This report presents the cross section measurements of…

The paper reports the results of two-dimensional particle-in-cell simulations of proton beam acceleration at the interactions of a 130 fs laser pulse of intensity from the range of 10^21-10^23 W/cm^2, predicted for the Extreme Light…

Plasma Physics · Physics 2017-08-01 Jaroslaw Domanski , Jan Badziak , Slawomir Jablonski

This document describes the concept of a primary electron beam facility at CERN, to be used for dark gauge force and light dark matter searches. The electron beam is produced in three stages: A Linac accelerates electrons from a…

Accelerator Physics · Physics 2018-06-01 T. Åkesson , Y. Dutheil , L. Evans , A. Grudiev , Y. Papaphilippou , S. Stapnes

The radiofrequency resonant four-quadrant mechanical structure of a 4-vane Radio Frequency Quadrupole (RFQ) has a high quality factor and narrow bandwidth, resulting in high sensitivity to frequency detuning caused by thermal expansion…

Accelerator Physics · Physics 2022-03-23 Xiaowen Zhu , Claude Marchand , Olivier Piquet , Michel Desmons

AWAKE project, a proton driven plasma wakefield acceleration (PDPWA) experiment is approved by CERN. The PDPWA scheme consists of a seeding laser, a drive beam to establish the accelerating wakefields within the plasma cell; and a witness…

Accelerator Physics · Physics 2014-06-06 Oznur Mete , Guoxing Xia , Graeme Burt , Swapan Chattopadhyay

A CW high power linear accelerator can only work with very low particles losses and structure activation. At low energy, the RFQ is a very sensitive element to losses. To design the RFQ, a good understanding of the beam dynamics is…

Accelerator Physics · Physics 2016-09-08 R. Duperrier , R. Ferdinand , J. -M. Lagniel , N. Pichoff

The Proton Improvement Plan, Stage Two (PIP-II) is a program of upgrades proposed for the Fermilab injection complex, which central part is an 800 MeV, 2 mA CW SRF linac. A prototype of the PIP-II linac front end called PIP-II Injector Test…

Accelerator Physics · Physics 2018-08-28 A. Shemyakin , J. -P. Carneiro , B. Hanna , V. Lebedev , L. Prost , A. Saini , V. Scarpine , V. L. S. Sista , C. Richard

A unique facility for laser plasma physics and advanced accelerator research has been built recently at Tsinghua Universtiy. This system is based on Tsinghua Thomson scattering X-ray source (TTX), which combining an ultrafast TW laser with…

Accelerator Physics · Physics 2015-06-19 J. F. Hua , L. X. Yan , C. H. Pai , C. J. Zhang , F. Li , Y. Wan , Y. P. Wu , X. L. Xu , Y. C. Du , W. H. Huang , H. B. Chen , C. X. Tang , W. Lu

The China ADS (C-ADS) project is proposed to build a 1000 MW Accelerator Driven sub-critical System around 2032. The accelerator will work in CW mode with 10 mA in beam current and 1.5 GeV in final beam energy. The linac is composed of two…

Accelerator Physics · Physics 2014-03-05 Fang Yan , Zhi-Hui Li , Cai Meng , Jing-Yu Tang , Biao Sun

Compact, reliable and little consuming accelerators are required for the treatment of tumours with ions. TERA proposes the "cyclinac", composed of a high-frequency, fast-cycling linac which boosts the energy of the particles previously…

Accelerator Physics · Physics 2012-06-18 U. Amaldi , D. Bergesio , R. Bonomi , A. Degiovanni , M. Garlasché , P. Magagnin , S. Verdú-Andrés , R. Wegner

Multi-GeV-class laser plasma accelerating modules are key components of laser plasma accelerators, because they can be used as a booster of an upstream plasma or conventional injector or as modular acceleration sections of a multi-staged…

Accelerator Physics · Physics 2018-12-26 Xiangkun Li , Alban Mosnier , Phu Anh Phi Nghiem

In the last ten years the use of proton beams in radiation therapy has become a clinical tool for treatment of deep-seated tumours. LIBO is a RF compact and low cost proton linear accelerator (SCL type) for hadrontherapy. It is conceived by…

Accelerator Physics · Physics 2009-09-29 Paolo Berra

We have investigated numerically the coupling between a 10 \si{MeV} electron bunch of high charge (\SI{> 100}{pc}) with a laser generated accelerating plasma wave. Our results show that a high efficiency coupling can be achieved using a…

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

To date, linear accelerators (linacs) as electron sources used to produce ionizing radiation for industrial purposes have been limited to less than 100 kW. When the electron beam is used directly, this is sufficient for most potential…

Accelerator Physics · Physics 2022-02-17 Thomas K. Kroc

Compact accelerator-based neutron source facilities are garnering attention and play an important and expanding role in material and engineering sciences, as well as in neutron science education and training. Neutrons are produced by…

Accelerator Physics · Physics 2022-03-21 Xiaowen Zhu , Claude Marchand , Olivier Piquet , Michel Desmons

Raman amplification of a short laser pulse off a long laser beam has been demonstrated successfully for moderate probe intensities ($\sim 10^{16}$ W/cm$^2$) and widths ($\sim 50$ micron). However, truly competitive intensities can only be…