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HIGHLIGHTED ARTICLES

Stochastic cooling of electrons and positrons with EUV light

Alexander Zholents, Luca Rebuffi, and Xianbo Shi

Phys. Rev. Accel. Beams 24, 022803 (2021) - Published 25 February, 2021

Stochastic cooling of electrons and positrons with EUV light provides petaherz-scale bandwidth for fast cooling without the amplifier.

Longitudinal and vertical focusing with a field gradient spiral inflector

A. H. Barnard, J. I. Broodryk, J. L. Conradie, J. G. de Villiers, J. P. Mira, F. Nemulodi, and R. Thomae

Phys. Rev. Accel. Beams 24, 023501 (2021) - Published 5 February, 2021

A new cyclotron spiral inflector design leads to significantly more current.

ARTICLES

Low- and Intermediate-Energy Accelerators

Development of a compact 325 MHz proton interdigital H-mode drift tube linac with high shunt impedance

P. F. Ma (马鹏飞), R. Tang (唐若), Y. Yang (杨业), S. X. Zheng (郑曙昕), W. B. Ye (叶文博), M. W. Wang (王敏文), W. L. Liu (刘卧龙), B. C. Wang (王百川), Q. Z. Xing (邢庆子), C. T. Du (杜畅通), H. Y. Zhang (张化一), J. Li (李健), X. L. Guan (关遐令), X. W. Wang (王学武), Z. M. Wang (王忠明), and M. T. Qiu (邱孟通)

Phys. Rev. Accel. Beams 24, 020101 (2021) - Published 5 February, 2021

Pulsed-Power Accelerators, Technology, and Dynamics

Simulation study of first and second harmonic photocathode bimodal gun

Lin Wang, Yong Jiang, Wencheng Fang, Zhentang Zhao, Sergey V. Shchelkunov, and Jay L. Hirshfield

Phys. Rev. Accel. Beams 24, 020401 (2021) - Published 4 February, 2021

Simulation, experiment, and performance of a 4 MV induction voltage adder machine for flash x-ray radiography

Hao Wei, Jiahui Yin, Pengfei Zhang, Fengju Sun, Aici Qiu, Tianxue Liang, Xiaofeng Jiang, Zhiguo Wang, Jiang Sun, Qiangfeng Luo, Hailiang Yang, Weibo Yao, Hongyu Jiang, and Hanyu Wu

Phys. Rev. Accel. Beams 24, 020402 (2021) - Published 23 February, 2021

Synchrotron Radiation and Free-Electron Lasers

Calculation of the wake due to radiation and space charge forces in relativistic beams

Gennady Stupakov and Jingyi Tang

Phys. Rev. Accel. Beams 24, 020701 (2021) - Published 4 February, 2021

Decreasing the bandwidth of linear and nonlinear Thomson scattering radiation for electron bunches with a finite energy spread

Marcel Ruijter, Vittoria Petrillo, and Matt Zepf

Phys. Rev. Accel. Beams 24, 020702 (2021) - Published 18 February, 2021

High-Energy Accelerators and Colliders

Resonant and random excitations on the proton beam in the Large Hadron Collider for active halo control with pulsed hollow electron lenses

Miriam Fitterer, Giulio Stancari, Alexander Valishev, Stefano Redaelli, and Daniel Valuch

Phys. Rev. Accel. Beams 24, 021001 (2021) - Published 11 February, 2021

Achromatic telescopic squeezing scheme and by-products: From concept to validation

S. Fartoukh, M. Solfaroli, J. Coello De Portugal, A. Mereghetti, A. Poyet, and J. Wenninger

Phys. Rev. Accel. Beams 24, 021002 (2021) - Published 12 February, 2021

New Acceleration Techniques

Suppression of coherent synchrotron radiation induced emittance growth during electron-beam injection into plasma wakefields

S.-Y. Kim, M. Chung, S. Doebert, and E. S. Yoon

Phys. Rev. Accel. Beams 24, 021301 (2021) - Published 17 February, 2021

Design Studies

Optics design of vertical excursion fixed-field alternating gradient accelerators

S. Machida, D. J. Kelliher, J-B. Lagrange, and C. T. Rogers

Phys. Rev. Accel. Beams 24, 021601 (2021) - Published 24 February, 2021

Radio Frequency Calculations and Technology

Multipactor suppression in dielectric-assist accelerating structures via diamondlike carbon coatings

Shingo Mori, Mitsuhiro Yoshida, and Daisuke Satoh

Phys. Rev. Accel. Beams 24, 022001 (2021) - Published 12 February, 2021

Field emission mitigation studies in the SLAC Linac Coherent Light Source II superconducting rf cavities via in situ plasma processing

Bianca Giaccone, Martina Martinello, Paolo Berrutti, Oleksandr Melnychuk, Dmitri A. Sergatskov, Anna Grassellino, Dan Gonnella, Marc Ross, Marc Doleans, and John F. Zasadzinski

Phys. Rev. Accel. Beams 24, 022002 (2021) - Published 19 February, 2021

Beam Control, Diagnostics, and Feedback

Single shot, nondestructive monitor for longitudinal subpicosecond bunch profile measurements with femtosecond resolution

I. V. Konoplev, G. Doucas, H. Harrison, A. J. Lancaster, and H. Zhang

Phys. Rev. Accel. Beams 24, 022801 (2021) - Published 2 February, 2021

Electron beam transverse phase space tomography using nanofabricated wire scanners with submicrometer resolution

Benedikt Hermann, Vitaliy A. Guzenko, Orell R. Hürzeler, Adrian Kirchner, Gian Luca Orlandi, Eduard Prat, and Rasmus Ischebeck

Phys. Rev. Accel. Beams 24, 022802 (2021) - Published 15 February, 2021

Stochastic cooling of electrons and positrons with EUV light

Alexander Zholents, Luca Rebuffi, and Xianbo Shi

Phys. Rev. Accel. Beams 24, 022803 (2021) - Published 25 February, 2021

Stochastic cooling of electrons and positrons with EUV light provides petaherz-scale bandwidth for fast cooling without the amplifier.

Other Accelerator Subsystems and Technologies

Longitudinal and vertical focusing with a field gradient spiral inflector

A. H. Barnard, J. I. Broodryk, J. L. Conradie, J. G. de Villiers, J. P. Mira, F. Nemulodi, and R. Thomae

Phys. Rev. Accel. Beams 24, 023501 (2021) - Published 5 February, 2021

A new cyclotron spiral inflector design leads to significantly more current.

Low-Energy, Multiple-Particle Dynamics

Self-consistent long-term dynamics of space charge driven resonances in 2D and 3D

Ingo Hofmann, Adrian Oeftiger, and Oliver Boine-Frankenheim

Phys. Rev. Accel. Beams 24, 024201 (2021) - Published 15 February, 2021

Relativistic, Multiple-Particle Dynamics

Equilibrium of an arbitrary bunch train in the presence of multiple resonator wakefields

Robert Warnock

Phys. Rev. Accel. Beams 24, 024401 (2021) - Published 24 February, 2021

Stabilizing effects of chromaticity and synchrotron emission on coupled-bunch transverse dynamics in storage rings

Ryan R. Lindberg

Phys. Rev. Accel. Beams 24, 024402 (2021) - Published 26 February, 2021

Applications

Polarization-dependent disappearance of a resonance signal: Indication for optical pumping in a storage ring?

W. Nörtershäuser, A. Surzhykov, R. Sánchez, B. Botermann, G. Gwinner, G. Huber, S. Karpuk, T. Kühl, C. Novotny, S. Reinhardt, G. Saathoff, T. Stöhlker, and A. Wolf

Phys. Rev. Accel. Beams 24, 024701 (2021) - Published 4 February, 2021

OTHER ARTICLES OF INTEREST

Silicon crystals for steering high-intensity particle beams at ultrahigh-energy accelerators

A. Mazzolari, M. Romagnoni, E. Bagli, L. Bandiera, S. Baricordi, R. Camattari, D. Casotti, M. Tamisari, A. Sytov, V. Guidi, G. Cavoto, S. M. Carturan, D. De Salvador, A. Balbo, G. Cruciani, Thu Nhi Tran Caliste, R. Verbeni, N. Pastrone, L. Lanzoni, A. Rossall, J. A. van den Berg, R. Jenkins, and P. Dumas

Phys. Rev. Research 3, 013108 (2021) - Published 3 February, 2021

The authors report developments in manufacturing and characterization of bent silicon crystals suitable for steering of high-intensity particle beams at ultra-high energy accelerators.

Low-Energy-Spread Attosecond Bunching and Coherent Electron Acceleration in Dielectric Nanostructures

Uwe Niedermayer, Dylan S. Black, Kenneth J. Leedle, Yu Miao, Robert L. Byer, and Olav Solgaard

Phys. Rev. Applied 15, L021002 (2021) - Published 11 February, 2021

Rocket in your pocket: The creation and laser-driven acceleration of ultrashort electron pulses has drawn much interest in recent years. However, the rather large energy spread of these electron bunches leads to quick decoherence, such that they cannot be trapped in an optical potential well as required. The authors solve this problem using the technique of alternating phase focusing (APF), and experimentally demonstrate attosecond bunching on a chip. This allows scalable acceleration on a microchip without electron losses, and the two-stage nanophotonic APF buncher demonstrated here is the appropriate injector for such an accelerator, as it also provides compatible transverse focusing.

Extremely Dense Gamma-Ray Pulses in Electron Beam-Multifoil Collisions

Archana Sampath et al.

Phys. Rev. Lett. 126, 064801 (2021) - Published 12 February, 2021

Space-Charge Aberrations in Single-Shot Time-Resolved Transmission Electron Microscopy

P. Denham and P. Musumeci

Phys. Rev. Applied 15, 024050 (2021) - Published 22 February, 2021

Self-Amplification of Coherent Energy Modulation in Seeded Free-Electron Lasers

Jiawei Yan et al.

Phys. Rev. Lett. 126, 084801 (2021) - Published 23 February, 2021

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