Publications (20)
Status of the IOTA Proton Injector
D. Edstrom, A. Romanov, D. Broemmelsiek +5
The IOTA Proton Injector (IPI), currently under installation at the Fermilab Accelerator Science and Technology facility (FAST), is a machine capable of delivering 20 mA pulses of…
Submacropulse electron-beam dynamics correlated with higher-order modes in a Tesla-type cryomodule
A. H. Lumpkin, R. Thurman-Keup, D. Edstrom +7
Experiments were performed at the Fermilab Accelerator Science and Technology (FAST) facility to elucidate the effects of long-range wakefields (LRWs) in TESLA-type superconducting…
Neural Networks for Modeling and Control of Particle Accelerators
A. L. Edelen, S. G. Biedron, B. E. Chase +3
We describe some of the challenges of particle accelerator control, highlight recent advances in neural network techniques, discuss some promising avenues for incorporating neural…
Commissioning and First Results From Channeling Radiation At FAST
A. Halavanau, D. Mihalcea, D. Broemmelsiek +8
X-rays have widespread applications in science and industry, but developing a simple, compact, and high-quality X-ray source remains a challenge. Our collaboration has explored the…
Initial experimental results of a machine learning-based temperature control system for an RF gun
A. L. Edelen, S. G. Biedron, S. V. Milton +8
Colorado State University (CSU) and Fermi National Accelerator Laboratory (Fermilab) have been developing a control system to regulate the resonant frequency of an RF electron gun.…
Photoinjector Generation of High-Charge Magnetized Beams for Electron-Cooling Applications
A. Fetterman, D. Mihalcea, S. Benson +6
Electron-cooling offers a relatively simple scheme to enable high-luminosity collisions in future electron-ion and hadron colliders. Contemplated TeV-energy hadron colliders requir…
Submacropulse Electron-Beam Dynamics Correlated With Higher-Order Modes In Tesla-Type Superconducting RF Cavities
A. H. Lumpkin, R. Thurman-Keup, D. Edstrom +6
We report the direct observations of sub-macropulse beam centroid oscillations correlated with higher order modes (HOMs) which were generated by off-axis electron beam steering in…
Diagnostics upgrades for investigations of HOM effects in Tesla-type SCRF cavities
A. H. Lumpkin, D. Edstrom, J. Ruan +5
We describe the upgrades to diagnostic capabilities on the Fermilab Accelerator Science and Technology (FAST) electron linear accelerator that will allow investigations of the effe…
Micro-Bunched Beam Production at FAST for Narrow Band THz Generation Using a Slit-Mask
J. Hyun, D. Crawford, D. Edstrom +5
We discuss simulations and experiments on creating micro-bunch beams for generating narrow band THz radiation at the Fermilab Accelerator Science and Technology (FAST) facility. Th…
Initial Demonstration Of 9-MHz Framing Camera Rates On The FAST Drive Laser Pulse Trains
A. H. Lumpkin, D. Edstrom, J. Ruan
We report the configuration of a Hamamatsu C5680 streak camera as a framing camera to record transverse spatial information of green-component laser micropulses at 3- and 9-MHz rat…
Linear Lattice and Trajectory Reconstruction and Correction at FAST Linear Accelerator
A. Romanov, D. Edstrom, A. Halavanau
The low energy part of the FAST linear accelerator based on 1.3 GHz superconducting RF cavities was successfully commissioned. During commissioning, beam based model dependent meth…
IOTA Proton Injector Beamline Installation
D. Edstrom, D. Broemmelsiek, K. Carlson +5
The IOTA Proton Injector (IPI), currently under installation at the Fermilab Accelerator Science and Technology facility, is a beamline capable of delivering 20-mA pulses of proton…
Initial observations of micropulse elongation of electron beams in a SCRF accelerator
A. H. Lumpkin, R. Thurman-Keup, D. Edstrom +2
Commissioning at the SCRF accelerator at the Fermilab Accelerator Science and Technology (FAST) Facility has included the implementation of a versatile bunch-length monitor located…
Correction of magnetic optics and beam trajectory using LOCO based algorithm with expanded experimental data sets
A. Romanov, D. Edstrom, F. A. Emanov +5
Precise beam based measurement and correction of magnetic optics is essential for the successful operation of accelerators. The LOCO algorithm is a proven and reliable tool, which…
Analysis and Measurement of the Transfer Matrix of a 9-cell 1.3-GHz Superconducting Cavity
A. Halavanau, N. Eddy, D. Edstrom +7
Superconducting linacs are capable of producing intense, stable, high-quality electron beams that have found widespread applications in science and industry. The 9-cell 1.3-GHz sup…
Microlens Array Laser Transverse Shaping Technique for Photoemission Electron Source
A. Halavanau, G. Ha, G. Qiang +7
A common issue encountered in photoemission electron sources used in electron accelerators is distortion of the laser spot due to non ideal conditions at all stages of the amplific…
First Experimental Demonstration of Optical Stochastic Cooling
J. Jarvis, V. Lebedev, A. Romanov +13
Particle accelerators and storage rings have been transformative instruments of discovery, and, for many applications, innovations in particle-beam cooling have been a principal dr…
Test Results of Tesla-Style Cryomodules at Fermilab
E. Harms, K. Carlson, B. Chase +13
Commissioning and operation of the first Tesla-style Cryomodule (CM-1) at Fermilab was concluded in recent months. A second Tesla Type III+ module, RFCA002, will be replacing it. C…
Experimental demonstration of OSC at IOTA: IOTA Run #3 Report
J. Jarvis, V. Lebedev, A. Romanov +13
Optical Stochastic Cooling (OSC) is an optical-bandwidth extension of Stochastic Cooling that could advance the state-of-the-art cooling rate in beam cooling by three to four order…
Commissioning and Operation of FAST Electron Linac at Fermilab
A. Romanov, C. Baffes, D. R. Broemmelsiek +17
We report results of the beam commissioning and first operation of the 1.3 GHz superconducting RF electron linear accelerator at Fermilab Accelerator Science and Technology (FAST)…