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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

Advanced accelerator-based light sources such as free electron lasers (FEL) accelerate highly relativistic electron beams to generate incredibly short (10s of femtoseconds) coherent flashes of light for dynamic imaging, whose brightness…

Accelerator Physics · Physics 2024-07-19 Alexander Scheinker

A laser-Compton backscattering beam, which we call a `Laser-Electron Photon' beam, was upgraded at the LEPS beamline of SPring-8. We accomplished the gains in backscattered photon beam intensities by factors of 1.5--1.8 with the injection…

In the field of beam physics, two frontier topics have taken center stage due to their potential to enable new approaches to discovery in a wide swath of science. These areas are: advanced, high gradient acceleration techniques, and x-ray…

A dielectric-loaded linac powered by THz-pulses is one of the key parts of the "Attosecond X-ray Science: Imaging and Spectroscopy" (AXSIS) project at DESY, Hamburg. As in conventional accelerators, the AXSIS linac is designed to have phase…

Accelerator Physics · Physics 2018-12-26 K. Galaydych , R. Assmann , U. Dorda , B. Marchetti , G. Vashchenko , I. Zagorodnov

The quality of electron beams produced from plasma-based accelerators, i.e., normalized brightness and energy spread, has made transformative progress in the past several decades in both simulation and experiment. Recently, full-scale…

Accelerator Physics · Physics 2023-11-22 Xinlu Xu , Thamine N. Dalichaouch , Jiaxin Liu , Qianyi Ma , Jacob Pierce , Kyle Miller , Xueqing Yan , Warren B. Mori

With the increasing brightness of Light sources, including the Diffraction-Limited brightness upgrade of APS and the high-repetition-rate upgrade of LCLS, the proposed experiments therein are becoming increasingly complex. For instance,…

Instrumentation and Detectors · Physics 2025-06-02 Aashwin Mishra , Matt Seaberg , Ryan Roussel , Fred Poitevin , Jana Thayer , Daniel Ratner , Auralee Edelen , Apurva Mehta

The conception of High Power Linac developed in Russian accelerator centres is based on the use of independently phased SC resonators with quadrupole lenses between them. The type and parameters of the resonators as well as focusing…

Accelerator Physics · Physics 2007-05-23 A. Kolomiets , S. Yaramishev

"LUE200" - 200 MeV electron linac is being created at JINR as a driver of the pulsed neutron source "IREN" [1]. The special full-scale facilities for testing the main systems of LUE-200 (FSTF) are used at JINR, BINP, MEPhI and YerPhI [2].…

Accelerator Physics · Physics 2009-10-05 S. N. Dolya , W. I. Furman , V. V. Kobets , E. M. Laziev , Yu. A. Metelkin , V. A. Shvets , A. P. Soumbaev

It is now well established that laser plasma acceleration (LPA) is an innovative and good candidate in the beam acceleration field. Relativistic beams are indeed produced up to several GeV but their quality remains to be demonstrated in the…

Dalian Coherent Light Source will use a 300MeV LINAC to produce fully coherent photon pulses in the wavelength range between 150-50nm by high gain harmonic generation free electron laser (FEL) scheme. To generate stable FEL pulses,…

Accelerator Physics · Physics 2014-10-22 Haixiao Deng , Meng Zhang , Duan Gu , Bo Liu , Qiang Gu , Dong Wang

Laser wakefield acceleration (LWFA) in a gas cell target separating injection and acceleration section has been investigated to produce high-quality electron beams. A detailed study has been performed on controlling the quality of…

Plasma Physics · Physics 2024-01-30 Srimanta Maity , Alamgir Mondal , Eugene Vishnyakov , Alexander Molodozhentsev

The paper describes the state of the installation based on the linear accelerator LUE-40 after restoration in 2023. Additional devices have been developed and created to conduct nuclear physics research. The main beam parameters are given.…

Increasing the Fermilab Main Injector (MI) beam power above ~1.2 MW requires replacement of the 8 GeV Booster by a higher intensity alternative. Earlier, rapid-cycling synchrotron and linac solutions were considered for this purpose. In…

Accelerator Physics · Physics 2023-08-15 D. Neuffer , S. Belomestnykh , M. Checchin , D. Johnson , S. Posen , E. Pozdeyev , V. Pronskikh , A. Saini , N. Solyak , V. Yakovlev

Plasma-based accelerators (PBAs) driven by either intense lasers (laser wakefield accelerators, LWFAs) or particle beams (plasma wakefield accelerators, PWFAs), can accelerate charged particles at extremely high gradients compared to…

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 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

A design study of the diagnostics of a high brightness linac, based on X-band structures, and a plasma accelerator stage, has been delivered in the framework of the EuPRAXIA@SPARC_LAB project. In this paper, we present a conceptual design…

The generation of the ultra-bright beams required by modern accelerators and drivers of free-electron lasers (FELs) has generally relied on chicane-based bunch compressions that often result in the microbunching instability. Following…

Accelerator Physics · Physics 2014-09-09 Alex H. Lumpkin

Injected beam energy and energy spread are critical parameters affecting the performance of our rapid cycling synchrotron (RCS). A real-time energy monitoring system is being installed to examine the H- beam out of the Intense Pulsed…

Accelerator Physics · Physics 2009-09-25 J. C. Dooling , F. R. Brumwell , M. K. Lien , G. E. McMichael