A5067036593- Particle accelerators and beam dynamics
- Particle Accelerators and Free-Electron Lasers
- Superconducting Materials and Applications
- Gyrotron and Vacuum Electronics Research
- Magnetic confinement fusion research
- Plasma Diagnostics and Applications
- Microwave Engineering and Waveguides
- Energy Harvesting in Wireless Networks
- Spacecraft and Cryogenic Technologies
- Particle Detector Development and Performance
- Acoustic Wave Resonator Technologies
- Muon and positron interactions and applications
- Physics of Superconductivity and Magnetism
- Photocathodes and Microchannel Plates
- Distributed and Parallel Computing Systems
- Neutrino Physics Research
- Advanced Data Storage Technologies
- Nuclear Physics and Applications
- Mechanical and Optical Resonators
- Electromagnetic Scattering and Analysis
- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Advanced Frequency and Time Standards
- Nuclear reactor physics and engineering
- Heat transfer and supercritical fluids
Thomas Jefferson National Accelerator Facility
2014-2024
Belgian Nuclear Research Centre
2024
Istituto Nazionale di Fisica Nucleare, Sezione di Roma I
2022
Fermi National Accelerator Laboratory
2017
Muons (United States)
2013-2016
Texas A&M University
2010
Newport (United States)
2008
Goethe University Frankfurt
2002-2003
Institut für Technische und Angewandte Physik (Germany)
1996-2002
This report presents a brief summary of the science opportunities and program polarized medium energy electron-ion collider at Jefferson Lab comprehensive description conceptual design such based on CEBAF electron accelerator facility.
A conceptual design is presented of a novel energy-recovering linac (ERL) facility for the development and application energy recovery technique to linear electron accelerators in multi-turn, large current regime. The main characteristics powerful experiment (PERLE) are derived from Large Hadron Collider, an beam upgrade under study LHC, which it would be key demonstrator. PERLE thus projected as investigate efficient, high (HC) (>10 mA) ERL operation with three re-circulation passages...
The Linac Coherent Light Source II (LCLS-II) is a new state-of-the-art coherent X-ray source being constructed at SLAC National Accelerator Laboratory. It employs 280 superconducting radio frequency (SRF) cavities in order operate continuous wave (CW) mode. To reduce the overall cryogenic cost of such large accelerator, nitrogen-doping SRF used. Nitrogen-doping has consistently been shown to increase efficiency operating 2.0 K regime and medium fields (15–20 MV/m) vertical cavity tests...
The higher efficiency of superconducting radio-frequency (SRF) cavities compared to normal-conducting ones enables the development high-energy continuous-wave linear accelerators (linacs). Recent progress in high-quality ${\mathrm{Nb}}_{3}\mathrm{Sn}$ film coatings along with availability cryocoolers high cooling capacity at 4 K makes it feasible operate SRF cooled by thermal conduction relevant accelerating gradients for use accelerators. A possible conduction-cooled linacs is environmental...
This review paper describes the energy-upgraded Continuous Electron Beam Accelerator Facility (CEBAF) accelerator. superconducting linac has achieved 12 GeV beam energy by adding 11 new high-performance cryomodules containing 88 cavities that have operated cw at an average accelerating gradient of <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mn>20</a:mn><a:mtext> </a:mtext><a:mtext> </a:mtext><a:mi>MV</a:mi><a:mo>/</a:mo><a:mi...
A radio frequency (RF) surface impedance characterization (SIC) system that uses a novel sapphire-loaded niobium cavity operating at 7.5 GHz has been developed as tool to measure the RF of flat superconducting material samples. The SIC can presently make direct calorimetric measurements on central 0.8 cm(2) area 5 cm diameter disk samples from 2 20 K exposed magnetic fields up 14 mT. To illustrate utility, we present first measurement results for bulk sample.
Abstract MYRRHA at SCK CEN in Mol/Belgium will be a pre-industrial large-scale Accelerator Driven System for unparalleled research opportunities spent nuclear fuel, medicine, and fundamental applied physics. In 2018 the Belgian government released funding MYRRHA’s first phase, MINERVA, staged implementation operation. It covers design, construction, commissioning of continuous-wave superconducting RF proton linac up to 100 MeV, as well dedicated user target stations. The MINERVA accommodate...
The treatment of flue gases from power plants and municipal or industrial wastewater using electron beam irradiation technology has been successfully demonstrated in small-scale pilot plants. energy requirement is rather modest, on the order a few MeV; however, adoption at an scale requires availability high power, 1 MW, cost effective way. In this article we present design compact superconducting accelerator capable delivering cw with current A MeV. main components are rf-gridded thermionic...
Higher order mode (HOM) damped cavities are one option to avoid multibunch instabilities in modem synchrotron radiation (SR) sources, which can reduce their performance potential. Two different cavity shapes (spherical and cylindrical) both using ridged circular waveguides for HOM damping have been optimised find a good compromise with respect maximum fundamental shunt impedance minimum impedances. The properties of the two designs discussed thresholds excitation presented several 3rd...
We describe the activities underway at JLab to develop new CW cryomodules capable of transporting up Ampere-levels beam currents for use in ERLs and FELs. Goals include an efficient cell shape, high packing factor real-estate gradient very strong HOM damping push BBU thresholds by two or more orders magnitude compared existing designs. Cavity ancillary components are optimized this application. Designs being developed low-frequency (750 MHz), Ampere-class compact FELs high-frequency (1.5...