Machine learning for orders of magnitude speedup in multiobjective optimization of particle accelerator systems
A Edelen, N Neveu, M Frey, Y Huber, C Mayes… - … Review Accelerators and …, 2020 - APS
High-fidelity physics simulations are powerful tools in the design and optimization of
charged particle accelerators. However, the computational burden of these simulations often …
charged particle accelerators. However, the computational burden of these simulations often …
Mixed quantum–classical method for fraud detection with quantum feature selection
This article presents a first end-to-end application of a quantum support vector machine
(QSVM) algorithm for a classification problem in the financial payment industry using the IBM …
(QSVM) algorithm for a classification problem in the financial payment industry using the IBM …
Temporal shaping of narrow-band picosecond pulses via noncolinear sum-frequency mixing of dispersion-controlled pulses
A long-sought-after goal for photocathode electron sources has been to improve
performance by temporally shaping the incident excitation laser pulse. The narrow …
performance by temporally shaping the incident excitation laser pulse. The narrow …
Development and benchmarking of a Monte Carlo dose engine for proton radiation therapy
P Lysakovski, A Ferrari, T Tessonnier, J Besuglow… - Frontiers in …, 2021 - frontiersin.org
Dose calculation algorithms based on Monte Carlo (MC) simulations play a crucial role in
radiotherapy. Here, the development and benchmarking of a novel MC dose engine …
radiotherapy. Here, the development and benchmarking of a novel MC dose engine …
Sparse grid-based adaptive noise reduction strategy for particle-in-cell schemes
S Muralikrishnan, AJ Cerfon, M Frey… - Journal of …, 2021 - Elsevier
We propose a sparse grid-based adaptive noise reduction strategy for electrostatic particle-
in-cell (PIC) simulations. By projecting the charge density onto sparse grids we reduce the …
in-cell (PIC) simulations. By projecting the charge density onto sparse grids we reduce the …
[HTML][HTML] A particle-in-Fourier method with semi-discrete energy conservation for non-periodic boundary conditions
We introduce a novel particle-in-Fourier (PIF) scheme based on [1],[2] that extends its
applicability to non-periodic boundary conditions. Our method handles free space boundary …
applicability to non-periodic boundary conditions. Our method handles free space boundary …
libEnsemble: A library to coordinate the concurrent evaluation of dynamic ensembles of calculations
Almost all applications stop scaling at some point; those that don't are seldom performant
when considering time to solution on anything but aspirational/unicorn resources …
when considering time to solution on anything but aspirational/unicorn resources …
Comparison of multiobjective optimization methods for the LCLS-II photoinjector
Particle accelerators are among some of the largest science experiments in the world and
can consist of thousands of components with a wide variety of input ranges. These systems …
can consist of thousands of components with a wide variety of input ranges. These systems …
Analyzing beam-gas interactions in an cyclotron beam
P Calvo, D Winklehner, C Oliver… - Journal of Physics G …, 2023 - iopscience.iop.org
Abstract For the Isotope Decay At Rest (IsoDAR) experiment in neutrino physics (searching
for sterile neutrinos), we have developed a novel compact isochronous cyclotron with direct …
for sterile neutrinos), we have developed a novel compact isochronous cyclotron with direct …
Performance analysis of indicators of chaos for nonlinear dynamical systems
The efficient detection of chaotic behavior in orbits of a complex dynamical system is an
active domain of research. Several indicators have been proposed, and new ones have …
active domain of research. Several indicators have been proposed, and new ones have …