B. E. Chase
YOU?
Author Swipe
View article: Automatic Phase Calibration for RF Cavities using Beam-Loading Signals
Automatic Phase Calibration for RF Cavities using Beam-Loading Signals Open
Precise calibration of the cavity phase signals is necessary for the operation of any particle accelerator. For many systems this requires human in the loop adjustments based on measurements of the beam parameters downstream. Some recent w…
View article: First Performance Results Of The PIP2IT MEBT 200 Ohm Kicker Prototype
First Performance Results Of The PIP2IT MEBT 200 Ohm Kicker Prototype Open
The PIP-II project is a program to upgrade the Fermilab accelerator complex. The PIP-II linac includes a 2.1 MeV Medium Energy Beam Transport (MEBT) section that incorporates a unique chopping system to perform arbitrary, bunch-by-bunch re…
View article: RF Transient Analysis and Stabilization of the Phase and Energy of the Proposed PIP-II LINAC
RF Transient Analysis and Stabilization of the Phase and Energy of the Proposed PIP-II LINAC Open
Here, this paper describes a recent effort to develop and benchmark a simulation tool for the analysis of RF transients and their compensation in an H- linear accelerator. Existing tools in this area either focus on electron LINACs or lack…
View article: Adaptive beam loading compensation in room temperature bunching cavities
Adaptive beam loading compensation in room temperature bunching cavities Open
In this paper we present the design, simulation, and proof of principle results of an optimization based adaptive feed-forward algorithm for beam-loading compensation in a high impedance room temperature cavity. We begin with an overview o…
View article: Automatic phase calibration for RF cavities using beam-loading signals
Automatic phase calibration for RF cavities using beam-loading signals Open
Precise calibration of the cavity phase signals is necessary for the operation of any particle accelerator. For many systems this requires human in the loop adjustments based on measurements of the beam parameters downstream. Some recent w…
View article: Low Level RF Control for the PIP-II Accelerator
Low Level RF Control for the PIP-II Accelerator Open
The PIP-II accelerator is a proposed upgrade to the Fermilab accelerator complex that will replace the existing, 400 MeV room temperature LINAC with an 800 MeV superconducting LINAC. Part of this upgrade includes a new injection scheme int…
View article: Resonant Frequency Control for the PIP-II Injector Test RFQ: Control Framework and Initial Results
Resonant Frequency Control for the PIP-II Injector Test RFQ: Control Framework and Initial Results Open
For the PIP-II Injector Test (PI-Test) at Fermilab, a four-vane radio frequency quadrupole (RFQ) is designed to accelerate a 30-keV, 1-mA to 10-mA H' beam to 2.1 MeV under both pulsed and continuous wave (CW) RF operation. The available he…
View article: First Principles Modeling of RFQ Cooling System and Resonant Frequency Responses for Fermilab’s PIP-II Injector Test
First Principles Modeling of RFQ Cooling System and Resonant Frequency Responses for Fermilab’s PIP-II Injector Test Open
In this study we develop an a priori method for simulating dynamic resonant frequency and temperature responses in a radio frequency quadrupole (RFQ) and its associated water-based cooling system respectively. Our model provides a computat…
View article: Neural Network Model Of The PXIE RFQ Cooling System and Resonant Frequency Response
Neural Network Model Of The PXIE RFQ Cooling System and Resonant Frequency Response Open
As part of the PIP-II Injector Experiment (PXIE) accelerator, a four-vane radio frequency quadrupole (RFQ) accelerates a 30-keV, 1-mA to 10-mA H- ion beam to 2.1 MeV. It is designed to operate at a frequency of 162.5 MHz with arbitrary dut…
View article: Resonant Frequency Control For the PIP-II Injector Test RFQ: Control Framework and Initial Results
Resonant Frequency Control For the PIP-II Injector Test RFQ: Control Framework and Initial Results Open
For the PIP-II Injector Test (PI-Test) at Fermilab, a four-vane radio frequency quadrupole (RFQ) is designed to accelerate a 30-keV, 1-mA to 10-mA, H- beam to 2.1 MeV under both pulsed and continuous wave (CW) RF operation. The available h…
View article: Neural Networks for Modeling and Control of Particle Accelerators
Neural Networks for Modeling and Control of Particle Accelerators Open
We describe some of the challenges of particle accelerator control, highlight recent advances in neural network techniques, discuss some promising avenues for incorporating neural networks into particle accelerator control systems, and des…
View article: Initial experimental results of a machine learning-based temperature control system for an RF gun
Initial experimental results of a machine learning-based temperature control system for an RF gun Open
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. As part of this effort, we present initial test results fo…
View article: Energy Spread of the Proton Beam in the Fermilab Booster at its Injection Energy
Energy Spread of the Proton Beam in the Fermilab Booster at its Injection Energy Open
We have measured the total energy spread (99 persent energy spread) of the Booster beam at its injection energy of 400 MeV by three different methods - 1) creating a notch of about 40 nsec wide in the beam immediately after multiple turn i…
View article: Energy Spread of the Proton Beam in the Fermilab Booster at Its Injection Energy
Energy Spread of the Proton Beam in the Fermilab Booster at Its Injection Energy Open
We have measured the total energy spread (99% energy spread) of the Booster beam at its injection energy of 400 MeV by three different methods - 1) creating a notch of about 40 nsec wide in the beam immediately after multiple turn injecti…