Director's Corner
Researchers Make Key Gains in Unlocking the Promise of Compact X-ray Free-Electron Lasers
Diagnostic Tool Sheds New Light on Instabilities in High-Power Lasers
A New Method for Measuring Inter-Tape Resistance in Superconducting Cables
Studying Gas Production in REBCO-Based Superconducting Magnets for Future Fusion Reactors
Combining Numerical Simulation Techniques Improves Laser-Plasma Accelerator Modeling
Osterhoff Heads BELLA Center
Inspiring the Next Generation of Particle Accelerator Researchers
Formenti Teaches Class on Artificial Intelligence to High School Students
University of Hawai’i Students Learn at ATAP
SULI, CCI, and Other Interns Work at ATAP
MSIIP Internship Opportunities at ATAP
Effective Intergenerational Communication in the Workplace
Collaboration in the Workplace
3Q4: Changchun Sun
3Q4: Maureen Thaete
ATAP’s Annual Picnic
Celebrating Another Successful Multi-Lab Safety Week
Publications & Presentations
Advanced Light Source Accelerator Physics Program
Publications
D. Bertwistle, C. Steier, E. Wallén, F. Sannibale, J. Dickert, M. Kritscher, S.C. Leemann, S. Trovati, T. Hellert, T. Scarvie, “Diagnosing an In-Vacuum Undulator in the ALS storage ring”, Proceedings of 16th International Particle Accelerator Conference IPAC’25, Taipei, Taiwan, https://doi.org/10.18429/JACoW-IPAC25-TUPS094
Advanced Modeling Program
Publications
M. Venturini and C. Mitchell. “Elliptic multipoles and the modeling of narrow-gap bend magnets in accelerators,” JINST 20, P07019 (2025). https://doi.org/10.1088/1748-0221/20/07/P07019
N.M. Cook, C. Hall, J. Edelen, E. Carlin, P. Moeller, R. Nagler, D. Bruhwiler, A. Huebl, and C. Mitchell. “Integrating Community Codes for Accelerator Design and Optimization,” in Proc. IPAC2025, Taipei, Taiwan, June 1-6, 2025. https://meow.elettra.eu/81/pdf/THPS053.pdf
J. Qiang. “Recirculating and energy recovery ion linear accelerators,” in Proc. of HIAT2025, p. 83, 2025.
J. Wan, H. Alamprese, C. Ratcliff, Y. Hao, and J. Qiang. “JuTrack, a Julia-based tool for accelerator modeling and tracking with auto-differentiation,” in Proc. of HIAT2025, p. 211, 2025.
J. Qiang, Y. Hao, A. Qiang, and J. Wan. “A module for fast auto differentiable simulations,” in Proc. of IPAC25, WEBN2, p.1671, 2025.
J. Qiang. “An energy recovery proton linear accelerator for muon production,” in Proc. of IPAC25, TUPM090, p.1339, 2025.
J. Qiang, W. Bergan, and E. Wang. “Simulation of electron beam transport through the coherent electron cooling amplification section using real number of electrons,” in Proc. of IPAC25, WEPS015, p. 2232, 2025.
W. Fung, Y. Hao, X. Gu, G. Robert-Demolaize, and J. Qiang. “Towards Improving luminosity using optics tuning and data-driven methods,” in Proc. of IPAC25, WEPM020, p. 1957, 2025.
G. Ha, A. DeSimone, X. Lu , O. Ramachandran, B. N. Temizel Ozdemir, J. Power, J. Qiang, and C. Huang. “Progress on experimental efforts to investigate CSR shielding effects,” in Proc. of IPAC25, WEPS022, p. 2251, 2025.
J. Wan, Y. Hao, and J. Qiang. “Machine learning-based symplectic model for space-charge effect simulation,” in Proc. of IPAC25, WEPS011, p.2225, 2025.
C. H. Huang, J. Qiang, W. K. Lau, S. Y. Teng, W. Y. Chiang, and S. H. Chen. “Direct interpretation of coherent synchrotron radiation modeling from the Lienard-Wiechert equation with shielding,” in Proc. of IPAC25, WEPM071, p. 2082, 2025.
O. H. Ramachandran, G. Ha, C.-K. Huang, X. Lu, J. Power, and J. Qiang. “Computational analysis of shielding on the coherent synchrotron radiation generated by a 3D bunch,” in Proc. of IPAC25, WEPM072, p.2086, 2025.
Presentations
C. Mitchell and J-L. Vay. “Modeling of Beam-Plasma Interactions at LBNL,” Topical Meeting on FCC-ee Beam-Dust Interactions, CERN, Geneva, CH, June 19, 2025. https://indico.cern.ch/event/1557021/
M. Garten. “Quality-Preserving Laser-Plasma Ion Beam Booster via Hollow-Channel Magnetic Vortex Acceleration,” 53rd Annual Anomalous Absorption Conference (AAC2025), Sedona, AZ, May 16th, 2025
Edoardo Zoni. “Project Updates – Applications: WarpX,” High Performance Software Foundation (HPSF) Conference, Chicago, IL, May 5-8, 2025.
BELLA Center
Publications
Nick Czapla, Derek M. Nasir, Lieselotte Obst-Huebl, Anthony Zingale, Jianhui Bin, Anthony J. Gonsalves, Sven Steinke, Kei Nakamura, Carl B. Schroeder, Eric Esarey, Cameron G. R. Geddes, Douglass W. Schumacher, “A Renewable Double Plasma Mirror For Petawatt-class Lasers,” Sci. Rep. 15, 2111 (2025). https://doi.org/10.1038/s41598-025-07016-3
Nathan M. Cook, Kathryn Wolfinger, Christopher Hall, Carlo Benedetti, Eric Esarey, Anthony Gonsalves, Remi Lehe, Alexander Picksley, Christian McCombs, Carl B. Schroeder, “Hydrodynamic modeling of plasma channel systems for laser plasma accelerators,” Nucl. Instrum. Methods A 1079, 170610 (2025). https://doi.org/10.1016/j.nima.2025.170610
F Massimo, C Benedetti, D Terzani, A Beck, B Cros, “Modeling laser-wakefield accelerators using the time-averaged ponderomotive approximation in a Lorentz boosted frame,” Plasma Phys. Control. Fusion 67 065032 (2025). https://doi.org/10.1088/1361-6587/addc97
Fusion Science & Ion Beam Technology Program
Publications
R. L. Garnett, A. Amsellem, A. Persaud, A. L. Miller, M. B. Smith, and S. H. Byun. “NeutralNet: an application of deep neural networks to pulse shape discrimination for use with accelerator-based neutron sources,” Appl. Radiat. Isot. 224, 111891 (2025). https://doi.org/10.1016/j.apradiso.2025.111891
Karahadian, Micah; Colborne, M; Unzueta, Miguel; Johnston, C; Persaud, Arun; Schenkel, Thomas; and Munday, Jeremy. “Quantifying Nuclear Reactions in Metal Hydrides at Low Energies [Poster],” Conference, 17 March 2025. https://doi.org/10.2172/2569648
Colborne, M; Karahadian, Micah; Unzueta, Miguel; Johnston, C.; Persaud, Arun; Munday, Jeremy; and Schenkel, Thomas. “Quantifying Nuclear Reactions in Metal Hydrides at Low Energies Conference [Poster],” Conference, 16 March 2025. https://doi.org/10.2172/2569797