Chad Mitchell
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View article: Elliptic multipoles and the modeling of narrow-gap bend magnets in accelerators
Elliptic multipoles and the modeling of narrow-gap bend magnets in accelerators Open
We highlight the virtues of 2D elliptic-multipole field expansions in modeling the magnetic fields of narrow-aperture, straight-axis bending magnets with parallel faces, addressing the limitations of the conventional circular multipole ser…
View article: Laser-plasma ion beam booster based on hollow-channel magnetic vortex acceleration
Laser-plasma ion beam booster based on hollow-channel magnetic vortex acceleration Open
Laser-driven ion acceleration provides ultrashort, high-charge, low-emittance beams, which are desirable for a wide range of high-impact applications. Yet after decades of research, a significant increase in maximum ion energy is still nee…
View article: Report on the Advanced Linear Collider Study Group (ALEGRO) Workshop 2024
Report on the Advanced Linear Collider Study Group (ALEGRO) Workshop 2024 Open
The workshop focused on the application of ANAs to particle physics keeping in mind the ultimate goal of a collider at the energy frontier (10\,TeV, e$^+$/e$^-$, e$^-$/e$^-$, or $γγ$). The development of ANAs is conducted at universities a…
View article: Supplementary Materials: Laser-Plasma Ion Beam Booster Based on Hollow-Channel Magnetic Vortex Acceleration
Supplementary Materials: Laser-Plasma Ion Beam Booster Based on Hollow-Channel Magnetic Vortex Acceleration Open
Artifact Description This dataset contains the data archive for 3D WarpX simulations of staged ion acceleration via hollow-channel magnetic vortex acceleration.It comprises the input and submission scripts, analysis scripts and output, red…
View article: Compact, Quality-Preserving Energy Booster for Intense Laser-Plasma Ion Sources
Compact, Quality-Preserving Energy Booster for Intense Laser-Plasma Ion Sources Open
Ion beams from laser-driven plasma sources can provide ultra-short (10s of fs for 10s of MeV), ultra-low slice emittance (10s of nm), and high-charge (100s of pC) properties. Demonstrated maximum energies for laser-ion sources are just sho…
View article: Synthesizing Particle-In-Cell Simulations through Learning and GPU Computing for Hybrid Particle Accelerator Beamlines
Synthesizing Particle-In-Cell Simulations through Learning and GPU Computing for Hybrid Particle Accelerator Beamlines Open
Detailed modeling of particle accelerators can benefit from parallelization on modern compute hardware such as GPUs and can often be distributed to large supercomputers. Providing production-quality implementations, the Beam, Plasma & Acce…
View article: Supplementary materials: "Synthesizing Particle-in-Cell Simulations Through Learning and GPU Computing for Hybrid Particle Accelerator Beamlines"
Supplementary materials: "Synthesizing Particle-in-Cell Simulations Through Learning and GPU Computing for Hybrid Particle Accelerator Beamlines" Open
Data archive for stage 3 of manuscript for PASC24. See Readme stage 3.txt for more details. This work was supported by the Laboratory Directed Research and Development Program of Lawrence Berkeley National Laboratory under U.S. Department …
View article: Supplementary materials: "Synthesizing Particle-in-Cell Simulations Through Learning and GPU Computing for Hybrid Particle Accelerator Beamlines"
Supplementary materials: "Synthesizing Particle-in-Cell Simulations Through Learning and GPU Computing for Hybrid Particle Accelerator Beamlines" Open
Data archive for stage 1 of manuscript for PASC24. See readme.txt for more details. This work was supported by the Laboratory Directed Research and Development Program of Lawrence Berkeley National Laboratory under U.S. Department of Energ…
View article: Advanced Modeling of Conventional Particle Accelerators
Advanced Modeling of Conventional Particle Accelerators Open
SciDAC-5 goals: Deliver particle accelerator and beam simulations tools that go beyond the current state of the art, up to the realization of virtual twins of particle accelerators, enabling design and modeling of particle accelerators at …
View article: Collaboration for Advanced Modeling of Particle Accelerators
Collaboration for Advanced Modeling of Particle Accelerators Open
The pverarching purpose is to accelerate and expand the scope of discoveries from high energy physics (HEP) particle accelerators by enabling the design of accelerators that are significantly more compact and cheaper to build and run. This…
View article: Advanced Modeling of Plasma-based Particle Accelerators
Advanced Modeling of Plasma-based Particle Accelerators Open
Plasma-based acceleration (PBA) driven by an intense laser (LWFA) or particle beam (PWFA) can produce ultra-high accelerating fields in excess of a GV/cm. PBA could substantially reduce the size and cost of future linear collider facilitie…
View article: Machine learning based phase space tomography using kicked beam turn-by-turn centroid data in a storage ring
Machine learning based phase space tomography using kicked beam turn-by-turn centroid data in a storage ring Open
When a charged-particle bunch in a storage ring is kicked to a large transverse offset, the time series describing the dynamics of the bunch centroid is determined both by the lattice focusing and by the Fourier transform of the 1D density…
View article: Supplementary Materials: ImpactX Modeling of Benchmark Tests for Space Charge Validation
Supplementary Materials: ImpactX Modeling of Benchmark Tests for Space Charge Validation Open
Supplementary materials (aka data artifact or data archive) for our HB2023 publication: " ImpactX Modeling of Benchmark Tests for Space Charge Validation" (Paper ID: THBP44). This work was supported by the Director, Office of Science of th…
View article: Supplementary Materials: ImpactX Modeling of Benchmark Tests for Space Charge Validation
Supplementary Materials: ImpactX Modeling of Benchmark Tests for Space Charge Validation Open
Supplementary materials (aka data artifact or data archive) for our HB2023 publication: " ImpactX Modeling of Benchmark Tests for Space Charge Validation" (Paper ID: THBP44). This work was supported by the Director, Office of Science of th…
View article: Supplementary Materials: A Laser-Plasma Ion Beam Booster Based on Hollow-Channel Magnetic Vortex Acceleration
Supplementary Materials: A Laser-Plasma Ion Beam Booster Based on Hollow-Channel Magnetic Vortex Acceleration Open
Artifact Description This dataset contains the data archive for 3D WarpX simulations of staged ion acceleration via hollow-channel magnetic vortex acceleration. It comprises the input and submission scripts, analysis scripts and output, re…
View article: ImpactX: an s-based beam dynamics code including space charge effects
ImpactX: an s-based beam dynamics code including space charge effects Open
Dependencies ABLASTR: 23.07 AMReX: 23.07 pyAMReX: 23.07 openPMD-api: 0.15.1+ List of Merged Pull Requests This list was generated with git log 23.06.. --format='- %s' Release 23.07 (#399) [pre-commit.ci] pre-commit autoupdate (#397) Store…
View article: Supplementary Materials for WEPA101
Supplementary Materials for WEPA101 Open
This archive contains data and supporting material for submission WEPA101 to IPAC23 proceedings. Subdirectory 03_warpx_training/ contains material for the first example of the article, a laser-plasma accelerator stage. Within 03_warpx_trai…
View article: Supplementary Materials for WEPA101
Supplementary Materials for WEPA101 Open
This archive contains data and supporting material for submission WEPA101 to IPAC23 proceedings. Subdirectory 03_warpx_training/ contains material for the first example of the article, a laser-plasma accelerator stage. Within 03_warpx_trai…
View article: From Compact Plasma Particle Sources to Advanced Accelerators with Modeling at Exascale
From Compact Plasma Particle Sources to Advanced Accelerators with Modeling at Exascale Open
Developing complex, reliable advanced accelerators requires a coordinated, extensible, and comprehensive approach in modeling, from source to the end of beam lifetime. We present highlights in Exascale Computing to scale accelerator modeli…
View article: Using kernel-based statistical distance to study the dynamics of charged particle beams in particle-based simulation codes
Using kernel-based statistical distance to study the dynamics of charged particle beams in particle-based simulation codes Open
Measures of discrepancy between probability distributions (statistical distance) are widely used in the fields of artificial intelligence and machine learning. We describe how certain measures of statistical distance can be implemented as …
View article: From Compact Plasma Particle Sources to Advanced Accelerators with Modeling at Exascale
From Compact Plasma Particle Sources to Advanced Accelerators with Modeling at Exascale Open
Research of plasma-based accelerators has achieved significant milestones over the last decade. Highlights include achieving nearly 8 GeV electrons in a single-stage source, demonstrating plasma-based FELs, reaching stable proton accelerat…
View article: Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale
Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale Open
Particle accelerators are among the largest, most complex devices. To meet the challenges of increasing energy, intensity, accuracy, compactness, complexity and efficiency, increasingly sophisticated computational tools are required for th…
View article: Supplementary Materials: Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale
Supplementary Materials: Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale Open
Supplementary materials (aka data artifact or data archive) for our NAPAC22 publication: "Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale" (Paper ID: TUYE2). Work supported by the Exasca…
View article: Supplementary Materials: Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale
Supplementary Materials: Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale Open
Supplementary materials (aka data artifact or data archive) for our NAPAC22 publication: "Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale" (Paper ID: TUYE2). Work supported by the Exasca…
View article: Using Kernel-Based Statistical Distance to Study the Dynamics of Charged Particle Beams in Particle-Based Simulation Codes
Using Kernel-Based Statistical Distance to Study the Dynamics of Charged Particle Beams in Particle-Based Simulation Codes Open
Measures of discrepancy between probability distributions (statistical distance) are widely used in the fields of artificial intelligence and machine learning. We describe how certain measures of statistical distance can be implemented as …
View article: Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale
Next Generation Computational Tools for the Modeling and Design of Particle Accelerators at Exascale Open
Particle accelerators are among the largest, most complex devices. To meet the challenges of increasing energy, intensity, accuracy, compactness, complexity and efficiency, increasingly sophisticated computational tools are required for th…
View article: Preliminary Tests and Beam Dynamics Simulations of a Straight-Merger Beamline
Preliminary Tests and Beam Dynamics Simulations of a Straight-Merger Beamline Open
Beamlines capable of merging beams with different energies are critical to many applications related to advanced accelerator concepts and energy-recovery linacs (ERLs). In an ERL, a low-energy "fresh" bright bunch is generally injected int…