Search Results - "Edelen, J."

RF Transient Analysis and Stabilization of the Phase and Energy of the Proposed PIP-II LINAC by Edelen, J. P., Chase, B. E.

“…This paper describes a recent effort to develop and benchmark a simulation tool for the analysis of radio frequency (RF) transients and their compensation in…”
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Theory and simulation of backbombardment in single-cell thermionic-cathode electron guns by Edelen, J. P., Biedron, S. G., Harris, J. R., Milton, S. V., Lewellen, J. W.

“…This paper presents a comparison between simulation results and a first principles analytical model of electron back-bombardment developed at Colorado State…”
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A Prototype Proton Undulator Linear Accelerator by Kutsaev, S. V., Avreline, N. V., Avreline, A. N., Agustsson, R., Edelen, J., Murokh, A., Smirnov, A. Yu

“…One method to implement undulator acceleration is to move particles in a magnetic undulator, in which the particle spatial oscillations in the transverse…”
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Comparative Studies of Electron Resistive and Conduction Models for Capillary Discharges Applications by Diaw, A., Coleman, S., Cook, N., Edelen, J., Hansen, E., Tzeferacos, P.

“…Capillary discharge waveguides have been demonstrated to serve as an enabling technology for the acceleration and transport of high quality electron beams for…”
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First Principles Modeling of RFQ Cooling System and Resonant Frequency Responses for Fermilab's PIP-II Injector Test by Edelen, J. P., Edelen, A. L., Bowring, D., Chase, B. E., Steimel, J., Biedron, S. G., Milton, S. V.

“…In this paper we develop an a priori method for simulating dynamic resonant frequency and temperature responses in a radio frequency quadrupole (RFQ) and its…”
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Electron Back-Bombardment and Mitigation in a Short Gap, Thermionic Cathode RF Gun by Edelen, J. P., Biedron, S. G., Harris, J. R., Lewellen, J. W., Milton, S. V.

“…When an un-gated thermionic cathode is operated in a radio-frequency gun, some fraction of the emitted electrons will return to the cathode due to the change…”
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The Nature of People: Renewing Teacher Education as a Shared Responsibility within Colleges and Schools of Education by Smith, Garnett J, Edelen-Smith, Patricia J

“…A survey of 28 National Network for Educational Renewal (NNER) colleges found there was a small core of faculty (21%) who were highly committed to the NNER…”
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Pasteur's Quadrant as the Bridge Linking Rigor with Relevance by Smith, Garnett J, Schmidt, Matthew M, Edelen-Smith, Patricia J, Cook, Bryan G

“…A tension exists between educational practitioners and researchers, which is often attributed to their dichotomous and oftentimes polarizing professional…”
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Machine Learning for Reducing Noise in RF Control Signals at Industrial Accelerators by Henderson, M, Edelen, J. P, Einstein-Curtis, J, Hall, C. C, Cruz, J. A. Diaz, Edelen, A. L

“…Industrial particle accelerators typically operate in dirtier environments than research accelerators, leading to increased noise in RF and electronic systems…”
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Variational Autoencoders for Noise Reduction in Industrial LLRF Systems by Edelen, J. P, Henderson, M. J, Einstein-Curtis, J, Hall, C. C, Cruz, J. A. Diaz, Edelen, A. L

“…Industrial particle accelerators inherently operate in much dirtier environments than typical research accelerators. This leads to an increase in noise both in…”
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Automatic phase calibration for RF cavities using beam-loading signals by Edelen, J. P, Chase, B. E

“…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…”
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Pharmacokinetics of furosemide in patients with congestive heart failure by Greither, A, Goldman, S, Edelen, J S, Benet, L Z, Cohn, K

“…Since patients vary in their response to furosemide, a pharmacokinetic study of this drug was undertaken in 7 patients with severe congestive heart failure…”
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LLRF System Considerations for a Compact, Commercial C-band Accelerator using the AMD Xilinx RF-SoC by Einstein-Curtis, J, Edelen, J, Gur, B, Henderson, M, Khalsa, G, Kilpatrick, M, O'Rourke, R, Augustsson, R, Diego, A, Smirnov, A, Thielk, S, Hong, B, Li, Z, Liu, C, Merrick, J, Nanni, E, Ruckman, L, Tantawi, S, Zuo, F

“…This work describes the LLRF and control system in use for a novel accelerator structure developed for a compact design operating in C-band developed by SLAC,…”
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Current transmission and nonlinear effects in un-gated thermionic cathode RF guns by Edelen, J. P, Harris, J. R

“…Un-gated thermionic cathode RF guns are well known as a robust source of electrons for many accelerator applications. These sources are in principle scalable…”
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How Now Brown Cow: Phoneme Awareness Activities for Collaborative Classrooms by Edelen-Smith, Patricia J.

“…Research indicates a strong relationship between early phoneme awareness and later reading success, and it links some reading failure to insufficiently…”
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Impact of Electron Transport Models on Capillary Discharge Plasmas by Diaw, A, Coleman, S. J, Cook, N. M, Edelen, J, Hansen, E. C, Tzeferacos, P

“…Magnetohydrodynamics (MHD) can be used to model capillary discharge waveguides in laser-wakefield accelerators. However, the predictive capability of MHD can…”
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Adaptive beam loading compensation in room temperature bunching cavities by Edelen, J. P, Chase, B. E, Cullerton, E, Varghese, P

“…In this paper we present the design, simulation, and proof of principle results of an optimization based adaptive feed-forward algorithm for beam-loading…”
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Observation Of Repetition-Rate Dependent Emission From an Un-Gated Thermionic Cathode RF Gun by Edelen, J. P, Sun, Y, Harris, J. R, Lewellen, J. W

“…Recent work at Fermilab in collaboration with the Advanced Photon Source and members of other national labs, designed an experiment to study the relationship…”
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First Steps Toward Incorporating Image Based Diagnostics Into Particle Accelerator Control Systems Using Convolutional Neural Networks by Edelen, A. L, Biedron, S. G, Milton, S. V, Edelen, J. P

“…At present, a variety of image-based diagnostics are used in particle accelerator systems. Often times, these are viewed by a human operator who then makes…”
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Low Level RF Control for the PIP-II Accelerator by Edelen, J. P, Chase, B. E, Cullerton, E, Einstein-Curtis, J, Holzbauer, J, Klepec, D, Pischalnikov, Y, Schappert, W, Varghese, P, Joshi, G, Khole, S, Sharma, D

“…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…”
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