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Physical Review Accelerators and Beams - Volume 27 Issue 7

Volume 27, Issue 7

July 2024

HIGHLIGHTED ARTICLES

Editors' Suggestion
First experimental evidence of a beam-beam long-range compensation using wires in the Large Hadron Collider
A. Poyet, A. Bertarelli, F. Carra, S. D. Fartoukh, N. Fuster-Martínez, N. Karastathis, Y. Papaphilippou, M. Pojer, S. Redaelli, A. Rossi, K. Skoufaris, M. Solfaroli Camillocci, and G. Sterbini
Phys. Rev. Accel. Beams 27, 071003 (2024) – Published 23 July 2024

Current-carrying wires in the Large Hadron Collider mimic long-rang beam-beam interactions to reduce the effect of real long-range beam-beam interactions.

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ARTICLES

Pulsed-Power Accelerators, Technology, and Dynamics

Generation of 1.6 GeV single-particle proton beams
Kai Zhou, Yanliang Han, Zhiping Li, Hantao Jing, and Yongji Yu
Phys. Rev. Accel. Beams 27, 070401 (2024) – Published 15 July 2024
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Synchrotron Radiation and Free-Electron Lasers

Wavelength scaling and multicolor operation of a plasma-driven attosecond x-ray source via harmonic generation
Rafi Hessami, Jenny Morgan, River Robles, Kirk A. Larsen, Agostino Marinelli, and Claudio Emma
Phys. Rev. Accel. Beams 27, 070701 (2024) – Published 12 July 2024
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Fast polarization switching of undulator radiation up to kilohertz with magnetic field modulation
Nanrui Yang, Zhouyu Zhao, and Heting Li
Phys. Rev. Accel. Beams 27, 070702 (2024) – Published 15 July 2024
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High-Energy Accelerators and Colliders

Impact of beam coupling impedance on crab cavity noise induced emittance growth
N. Triantafyllou, F. Antoniou, H. Bartosik, P. Baudrenghien, X. Buffat, R. Calaga, Y. Papaphilippou, T. Mastoridis, and A. Wolski
Phys. Rev. Accel. Beams 27, 071001 (2024) – Published 8 July 2024
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Numerical simulation of RHIC polarized proton run 17 spin flipper experiments
F. Méot, P. Adams, H. Huang, J. Kewisch, P. Oddo, and T. Roser
Phys. Rev. Accel. Beams 27, 071002 (2024) – Published 9 July 2024
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Editors' Suggestion
First experimental evidence of a beam-beam long-range compensation using wires in the Large Hadron Collider
A. Poyet, A. Bertarelli, F. Carra, S. D. Fartoukh, N. Fuster-Martínez, N. Karastathis, Y. Papaphilippou, M. Pojer, S. Redaelli, A. Rossi, K. Skoufaris, M. Solfaroli Camillocci, and G. Sterbini
Phys. Rev. Accel. Beams 27, 071003 (2024) – Published 23 July 2024

Current-carrying wires in the Large Hadron Collider mimic long-rang beam-beam interactions to reduce the effect of real long-range beam-beam interactions.

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New Acceleration Techniques

Numerical studies of collinear laser-assisted injection from a foil for plasma wakefield accelerators
T. C. Wilson, J. Farmer, A. Pukhov, Z.-M. Sheng, and B. Hidding
Phys. Rev. Accel. Beams 27, 071301 (2024) – Published 29 July 2024
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Accelerator Facilities and Design Studies

Design of a large energy acceptance beamline using fixed field accelerator optics
A. F. Steinberg, R. B. Appleby, J. S. L. Yap, and S. L. Sheehy
Phys. Rev. Accel. Beams 27, 071601 (2024) – Published 26 July 2024
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Beam Control, Diagnostics, and Feedback

5D tomographic phase-space reconstruction of particle bunches
S. Jaster-Merz, R. W. Assmann, R. Brinkmann, F. Burkart, W. Hillert, M. Stanitzki, and T. Vinatier
Phys. Rev. Accel. Beams 27, 072801 (2024) – Published 3 July 2024
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Other Accelerator Subsystems and Technologies

Laser-driven acceleration of a 94.8 MeV uniform proton beam enhanced by a thin axial absorber rod
Husam Y. Al-Omari, Mohamed E. Yahia, and Ali M. Almomani
Phys. Rev. Accel. Beams 27, 073501 (2024) – Published 22 July 2024
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Rotatorlike gantry optics
M. Pavlovič, M. T. F. Pivi, I. Strašík, V. Rizzoglio, M. G. Pullia, L. Adler, G. Guidoboni, C. Maderböck, D. Prokopovich, and G. Kowarik
Phys. Rev. Accel. Beams 27, 073502 (2024) – Published 26 July 2024
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Single-Particle Dynamics

Empty-bucket techniques for spill-quality improvement at the CERN Super Proton Synchrotron
Pablo A. Arrutia Sota, Matthew A. Fraser, Gregoire Hagmann, Verena Kain, Giulia Papotti, Arthur Spierer, Francesco M. Velotti, Philip N. Burrows, and Roberto Piandani
Phys. Rev. Accel. Beams 27, 074001 (2024) – Published 9 July 2024
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Relativistic, Multiple-Particle Dynamics

Generalized threshold of longitudinal multibunch instability in synchrotrons
Ivan Karpov and Elena Shaposhnikova
Phys. Rev. Accel. Beams 27, 074401 (2024) – Published 8 July 2024
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Mitigation of the microbunching instability through transverse Landau damping
A. D. Brynes, G. Perosa, C.-Y. Tsai, E. Allaria, L. Badano, G. De Ninno, E. Ferrari, D. Garzella, L. Giannessi, G. Penco, P. Rebernik Ribič, E. Roussel, S. Spampinati, C. Spezzani, M. Trovò, M. Veronese, and S. Di Mitri
Phys. Rev. Accel. Beams 27, 074402 (2024) – Published 22 July 2024
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Computing, Machine Learning, and Algorithms

Four-dimensional phase-space reconstruction of flat and magnetized beams using neural networks and differentiable simulations
Seongyeol Kim, Juan Pablo Gonzalez-Aguilera, Philippe Piot, Gongxiaohui Chen, Scott Doran, Young-Kee Kim, Wanming Liu, Charles Whiteford, Eric Wisniewski, Auralee Edelen, Ryan Roussel, and John Power
Phys. Rev. Accel. Beams 27, 074601 (2024) – Published 22 July 2024
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Application of deep learning methods for beam size control during user operation at the Advanced Light Source
Thorsten Hellert, Tynan Ford, Simon C. Leemann, Hiroshi Nishimura, Marco Venturini, and Andrea Pollastro
Phys. Rev. Accel. Beams 27, 074602 (2024) – Published 30 July 2024
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Laser Proton Acceleration from a Near-Critical Imploding Gas Target
Omri Seemann, Yang Wan, Sheroy Tata, Eyal Kroupp, and Victor Malka
Phys. Rev. Lett. 133, 025001 (2024) – Published 10 July 2024
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Letter
Coherent radiation of an electron bunch colliding with an intense laser pulse
E. G. Gelfer, A. M. Fedotov, O. Klimo, and S. Weber
Phys. Rev. Research 6, L032013 (2024) – Published 15 July 2024

Coherent emission of a cold relativistic electron bunch passing through a counterpropagating strong laser pulse substantially modifies the radiation spectrum and enhances its low-frequency part by orders of magnitude. The derived analytical estimates are confirmed by 3D particle-in-cell simulations.

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Experimental Observation of Space-Charge Field Screening of a Relativistic Particle Bunch in Plasma
L. Verra, M. Galletti, R. Pompili, A. Biagioni, M. Carillo, A. Cianchi, L. Crincoli, A. Curcio, F. Demurtas, G. Di Pirro, V. Lollo, G. Parise, D. Pellegrini, S. Romeo, G. J. Silvi, F. Villa, and M. Ferrario
Phys. Rev. Lett. 133, 035001 (2024) – Published 18 July 2024
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Letter
Laser cooling of stored bunched relativistic Li-like oxygen ions
W. Q. Wen, H. B. Wang, D. Y. Chen, Z. K. Huang, Y. J. Yuan, D. C. Zhang, D. Winters, S. Klammes, S. Litvinov, D. Kiefer, Th. Walther, M. Loeser, M. Siebold, U. Schramm, N. Khan, J. Li, M. T. Tang, J. X. Wu, D. Y. Yin, L. J. Mao, J. C. Yang, S. F. Zhang, M. Bussmann, and X. Ma
Phys. Rev. A 110, L010803 (2024) – Published 23 July 2024

The authors report on the experimental demonstration of laser cooling of bunched Li-like O^{5+} ion beams at ~64% of the speed of light in a heavy ion storage ring. The laser cooling technique and the simulation method developed in this work pave the way for laser cooling and precision laser spectroscopy experiments at future large heavy ion accelerator facilities.

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Guided Mode Evolution and Ionization Injection in Meter-Scale Multi-GeV Laser Wakefield Accelerators
J. E. Shrock, E. Rockafellow, B. Miao, M. Le, R. C. Hollinger, S. Wang, A. J. Gonsalves, A. Picksley, J. J. Rocca, and H. M. Milchberg
Phys. Rev. Lett. 133, 045002 (2024) – Published 26 July 2024
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Letter
Ultrabroad-band x-ray source using a picosecond, laser-driven plasma accelerator
N. Lemos, P. M. King, D. Rusby, I. Pagano, M. Sinclair, K. A. Marsh, J. L. Shaw, A. L. Milder, A. Pak, B. B. Pollock, M. Aufderheide, F. V. Hartemann, S. Q. Wu, Y. Hwang, B. M. Hegelich, J. Moody, P. Michel, C. Joshi, and F. Albert
Phys. Rev. Research 6, L032022 (2024) – Published 26 July 2024

The generation of x-ray beams in the energy range from keV to MeV is an active research area, essential to the study of high-energy-density matter, to improve the understanding of inertial confinement fusion and astrophysical systems. An ultrabroad-band x-ray source, with photon energies from 10 keV to >1 MeV, based on a picosecond laser-driven plasma accelerator, is characterized and used to radiograph a gold half hohlraum with a high-density sphere inside with relevant characteristics for high-energy-density science and inertial confinement fusion.

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