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HIGHLIGHTED ARTICLES

Barrier bucket gymnastics and transversely split proton beams: Performance at the CERN Proton and Super Proton Synchrotrons

M. Vadai, A. Alomainy, H. Damerau, M. Giovannozzi, and A. Huschauer

Phys. Rev. Accel. Beams 25, 050101 (2022) - Published 20 May, 2022

Combination of transverse beam splitting with a barrier bucket would make it possible to perform a quasiloss-free multiturn extraction at the CERN Proton Synchrotron.

Stability study of intense hadron bunches in linear accelerators using a Paul ion trap

M. Goto, C. Ichikawa, K. Ito, K. Kojima, and H. Okamoto

Phys. Rev. Accel. Beams 25, 054201 (2022) - Published 5 May, 2022

A compact novel Paul ion trap to experimentally study the stability of intense beams in linear accelerators in a table-top environment.

ARTICLES

Low- and Intermediate-Energy Accelerators

Barrier bucket gymnastics and transversely split proton beams: Performance at the CERN Proton and Super Proton Synchrotrons

M. Vadai, A. Alomainy, H. Damerau, M. Giovannozzi, and A. Huschauer

Phys. Rev. Accel. Beams 25, 050101 (2022) - Published 20 May, 2022

Combination of transverse beam splitting with a barrier bucket would make it possible to perform a quasiloss-free multiturn extraction at the CERN Proton Synchrotron.

Synchrotron Radiation and Free-Electron Lasers

Signatures of misalignment in x-ray cavities of cavity-based x-ray free-electron lasers

Peng Qi and Yuri Shvyd’ko

Phys. Rev. Accel. Beams 25, 050701 (2022) - Published 5 May, 2022

Linearly and circularly polarized radiation with a low on-axis heat load from an asymmetric magnet pole undulator

Zhouyu Zhao and Qika Jia

Phys. Rev. Accel. Beams 25, 050702 (2022) - Published 17 May, 2022

Equilibrium parameters in coupled storage ring lattices and practical applications

V. Ziemann and A. Streun

Phys. Rev. Accel. Beams 25, 050703 (2022) - Published 18 May, 2022

High-Energy Accelerators and Colliders

New Acceleration Techniques

Generation of 565 MW of X-band power using a metamaterial power extractor for structure-based wakefield acceleration

Julian Picard, Ivan Mastovsky, Michael A. Shapiro, Richard J. Temkin, Xueying Lu, Manoel Conde, D. Scott Doran, Gwanghui Ha, John G. Power, Jiahang Shao, Eric E. Wisniewski, and Chunguang Jing

Phys. Rev. Accel. Beams 25, 051301 (2022) - Published 16 May, 2022

Design Studies

Simulation studies for upgrading a high-intensity surface muon beamline at Paul Scherrer Institute

Lu-Ping Zhou, Xiao-Jie Ni, Zaher Salman, Andreas Suter, Jing-Yu Tang, Vjeran Vrankovic, and Thomas Prokscha

Phys. Rev. Accel. Beams 25, 051601 (2022) - Published 9 May, 2022

Magnet Calculations and Technology

Data-driven modeling of nonlinear materials in normal-conducting magnets

Stefano Sorti, Carlo Petrone, Stephan Russenschuck, and Francesco Braghin

Phys. Rev. Accel. Beams 25, 052401 (2022) - Published 27 May, 2022

Beam Control, Diagnostics, and Feedback

Two-dimensional electron beam size measurements with x-ray heterodyne near field speckles

M. Siano, B. Paroli, M. A. C. Potenza, L. Teruzzi, U. Iriso, A. A. Nosych, E. Solano, L. Torino, D. Butti, A. Goetz, T. Lefevre, S. Mazzoni, and G. Trad

Phys. Rev. Accel. Beams 25, 052801 (2022) - Published 9 May, 2022

Simultaneous beam-based alignment measurement for multiple magnets by correcting induced orbit shift

Xiaobiao Huang

Phys. Rev. Accel. Beams 25, 052802 (2022) - Published 16 May, 2022

Plasma photonic spatiotemporal synchronization of relativistic electron and laser beams

P. Scherkl, A. Knetsch, T. Heinemann, A. Sutherland, A. F. Habib, O. S. Karger, D. Ullmann, A. Beaton, G. G. Manahan, Y. Xi, A. Deng, M. D. Litos, B. D. O’Shea, S. Z. Green, C. I. Clarke, G. Andonian, R. Assmann, D. L. Bruhwiler, J. Smith, J. R. Cary, M. J. Hogan, V. Yakimenko, J. B. Rosenzweig, and B. Hidding

Phys. Rev. Accel. Beams 25, 052803 (2022) - Published 17 May, 2022

Targets, Collimators, and Beam Dumps

Mechanical and thermal design of the target neutral beam absorber for the High-Luminosity LHC upgrade

P. Santos Díaz, F. Sanchez Galan, R. De Maria, E. Kepes, P. Steinberg, R. Longo, S. Mazzoni, F. Cerutti, M. Sabate Gilarte, A. Infantino, B. Salvant, M. Murray, O. Boettcher, J. Hansen, V. Baglin, N. Zelko, E. Bravin, H. Mainaud, P. Bestmann, A. Herty, P. Fessia, and M. Gonzalez de la Aleja Cabana

Phys. Rev. Accel. Beams 25, 053001 (2022) - Published 13 May, 2022

Particle-Beam Sources

Anomalous correlation between quantum efficiency and transverse momentum spread in semiconductor cathode photoemission

Peng-Wei Huang, Houjun Qian, Ye Chen, Matthias Gross, Igor Isaev, Christian Koschitzki, Mikhail Krasilnikov, Shankar Lal, Sven Lederer, Xiangkun Li, Osip Lishilin, David Melkumyan, Laura Monaco, Paolo Michelato, Raffael Niemczyk, Anne Oppelt, Daniele Sertore, Hamed Shaker, Guan Shu, Frank Stephan, Chuanxiang Tang, and Grygorii Vashchenko

Phys. Rev. Accel. Beams 25, 053401 (2022) - Published 12 May, 2022

Other Accelerator Subsystems and Technologies

Development of an autotuning magnet girder with high stability and accuracy

Haijing Wang, Zihao Wang, Chunhua Li, Jia Liu, Hongyan Zhu, and Huamin Qu

Phys. Rev. Accel. Beams 25, 053501 (2022) - Published 18 May, 2022

Single-Particle Dynamics

Emittance growth of kicked and mismatched beams due to amplitude-dependent tune shift

E. Waagaard and V. Ziemann

Phys. Rev. Accel. Beams 25, 054001 (2022) - Published 20 May, 2022

Low-Energy, Multiple-Particle Dynamics

Stability study of intense hadron bunches in linear accelerators using a Paul ion trap

M. Goto, C. Ichikawa, K. Ito, K. Kojima, and H. Okamoto

Phys. Rev. Accel. Beams 25, 054201 (2022) - Published 5 May, 2022

A compact novel Paul ion trap to experimentally study the stability of intense beams in linear accelerators in a table-top environment.

Relativistic, Multiple-Particle Dynamics

Emittance in nonlinear Thomson scattering

Erik Johnson, Elizabeth Breen, Geoffrey A. Krafft, and Balša Terzić

Phys. Rev. Accel. Beams 25, 054401 (2022) - Published 6 May, 2022

Simulation study of the space charge limit in heavy-ion synchrotrons

Adrian Oeftiger, Oliver Boine-Frankenheim, Vera Chetvertkova, Vladimir Kornilov, Dmitrii Rabusov, and Stefan Sorge

Phys. Rev. Accel. Beams 25, 054402 (2022) - Published 16 May, 2022

Circular attractors as heating mechanism in coherent electron cooling

S. Seletskiy, A. Fedotov, and D. Kayran

Phys. Rev. Accel. Beams 25, 054403 (2022) - Published 18 May, 2022

Beam response to rf-generator noise in the presence of higher-harmonic passive cavities

M. Venturini

Phys. Rev. Accel. Beams 25, 054404 (2022) - Published 23 May, 2022

Suppression of errors in simulated ultrarelativistic bunch propagation using the X-dispersionless Maxwell solver

M. Filipovic, C. Baumann, and A. Pukhov

Phys. Rev. Accel. Beams 25, 054405 (2022) - Published 31 May, 2022

OTHER ARTICLES OF INTEREST

Widely tunable two-color x-ray free-electron laser pulses

Eduard Prat, Philipp Dijkstal, Eugenio Ferrari, Romain Ganter, Pavle Juranić, Alexander Malyzhenkov, Sven Reiche, Thomas Schietinger, Guanglei Wang, Andre Al Haddad, Sven Augustin, Christoph Bostedt, Gregor Knopp, Jonas Knurr, Ana Sofia Morillo-Candas, Zhibin Sun, and Kirsten Schnorr

Phys. Rev. Research 4, L022025 (2022) - Published 2 May, 2022

This article reports on the generation of widely tunable femtosecond two-color x-ray free-electron laser pulses and studies the photon energy ratio between the pulses and its time delay.

Spatiotemporal dynamics of ultrarelativistic beam-plasma instabilities

P. San Miguel Claveria et al.

Phys. Rev. Research 4, 023085 (2022) - Published 2 May, 2022

Trapping and acceleration of spin-polarized positrons from γ photon splitting in wakefields

Wei-Yuan Liu, Kun Xue, Feng Wan, Min Chen, Jian-Xing Li, Feng Liu, Su-Ming Weng, Zheng-Ming Sheng, and Jie Zhang

Phys. Rev. Research 4, L022028 (2022) - Published 3 May, 2022

The authors propose a scheme to generate polarized positrons and inject them in plasma wakefields with further acceleration to high energies.

Electron-positron pairs and radioactive nuclei production by irradiation of high-Z target with γ-photon flash generated by an ultra-intense laser in the λ3 regime

David Kolenatý, Prokopis Hadjisolomou, Roberto Versaci, Tae Moon Jeong, Petr Valenta, Veronika Olšovcová, and Sergei Vladimirovich Bulanov

Phys. Rev. Research 4, 023124 (2022) - Published 16 May, 2022

Positron acceleration via laser-augmented blowouts in two-column plasma structures

Lars Reichwein, Alexander Pukhov, Anton Golovanov, and Igor Yu. Kostyukov

Phys. Rev. E 105, 055207 (2022) - Published 17 May, 2022

Bunch shaping in electron linear accelerators

G. Ha, K.-J. Kim, J. G. Power, Y. Sun (孙银娥), and P. Piot

Rev. Mod. Phys. 94, 025006 (2022) - Published 31 May, 2022

Electron beams from modern high performance accelerators power intense light sources such as free electron lasers and synchrotron light sources, as well as wakefield-based accelerating modules relying on plasmas or dielectric structures. The way the electron bunches are shaped in space and time controls the efficacy of how the electron beam radiates or interacts with structures. In this review the physics behind methods for controlling the mesoscopic electron-bunch properties, i.e., phase-space distributions, from an electron accelerator are discussed, from both a theoretical and an experimental perspective. The focus is on phase-space shaping methods relying on bounded external electromagnetic fields or self-generated velocity and radiation fields, and how they are implemented.

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