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Physical Review Accelerators and Beams

Volume 22, Issue 3

March 2019
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HIGHLIGHTED ARTICLES

EDITORS' SUGGESTION

Single-shot measurement of phase and topological properties of orbital angular momentum radiation through asymmetric lateral coherence

B. Paroli, M. Siano, L. Teruzzi, and M. A. C. Potenza

Phys. Rev. Accel. Beams 22, 032901 (2019) - Published 27 March, 2019

The phase and topological properties of radiation from x-ray sources can be characterized in a single shot with the help of simple apertures.

EDITORS' SUGGESTION

Microbunched electron cooling with amplification cascades

G. Stupakov and P. Baxevanis

Phys. Rev. Accel. Beams 22, 034401 (2019) - Published 20 March, 2019

A one-dimensional model of microbunched electron cooling using a chicane-based microbunching amplifier with multiple stages.

ARTICLES

Low- and Intermediate-Energy Accelerators

Design and test of 704 MHz and 2.1 GHz normal conducting cavities for low energy RHIC electron cooler

Binping Xiao, S. Belomestnykh, J. M. Brennan, J. C. Brutus, G. McIntyre, K. Mernick, C. Pai, K. Smith, T. Xin, A. Zaltsman, and V. Veshcherevich

Phys. Rev. Accel. Beams 22, 030101 (2019) - Published 5 March, 2019

Development and beam commissioning of a continuous-wave window-type radio-frequency quadrupole

P. P. Gan, K. Zhu, Q. Fu, H. P. Li, M. J. Easton, Q. Y. Tan, S. Liu, S. L. Gao, Z. Wang, Y. R. Lu, W. P. Dou, Q. Wu, C. Wang, Y. He, and H. W. Zhao

Phys. Rev. Accel. Beams 22, 030102 (2019) - Published 7 March, 2019

Damping of vibrations in superconducting quarter wave resonators

Liu Yang, Vladimir Zvyagintsev, R. E. Laxdal, and Bhalwinder Waraich

Phys. Rev. Accel. Beams 22, 030103 (2019) - Published 19 March, 2019

Pulsed-Power Accelerators, Technology, and Dynamics

Development of a fusion-oriented pulsed power module

Lin Chen et al.

Phys. Rev. Accel. Beams 22, 030401 (2019) - Published 13 March, 2019

Ion current losses in the convolute and inner magnetically insulated transmission line of the Z machine

Eduardo M. Waisman, M. P. Desjarlais, and M. E. Cuneo

Phys. Rev. Accel. Beams 22, 030402 (2019) - Published 19 March, 2019

Synchrotron Radiation and Free-Electron Lasers

Spontaneous superradiant sub-THz coherent cyclotron emission from a short dense electron bunch

Yu. S. Oparina and A. V. Savilov

Phys. Rev. Accel. Beams 22, 030701 (2019) - Published 5 March, 2019

Generation of two-color x-ray free-electron-laser pulses from a beam with a large energy chirp and a slotted foil

Ángela Saá Hernández, Eduard Prat, and Sven Reiche

Phys. Rev. Accel. Beams 22, 030702 (2019) - Published 6 March, 2019

High-Energy Accelerators and Colliders

Design, fabrication, and high-gradient testing of X-band choke-mode damped structures

Xiaowei Wu, Hao Zha, Jiaru Shi, Huaibi Chen, Tetsuo Abe, Toshiyasu Higo, and Shuji Matsumoto

Phys. Rev. Accel. Beams 22, 031001 (2019) - Published 7 March, 2019

First experimental demonstration of forced dynamic aperture measurements with LHC ac dipoles

F. S. Carlier, R. Tomás, E. H. Maclean, and T. H. B. Persson

Phys. Rev. Accel. Beams 22, 031002 (2019) - Published 13 March, 2019

New Acceleration Techniques

Influence of proton bunch parameters on a proton-driven plasma wakefield acceleration experiment

Mariana Moreira, Jorge Vieira, and Patric Muggli

Phys. Rev. Accel. Beams 22, 031301 (2019) - Published 6 March, 2019

Mechanisms for the mitigation of the hose instability in plasma-wakefield accelerators

T. J. Mehrling, R. A. Fonseca, A. Martinez de la Ossa, and J. Vieira

Phys. Rev. Accel. Beams 22, 031302 (2019) - Published 19 March, 2019

Radio Frequency Calculations and Technology

Role of magnetic flux expulsion to reach Q0>3×1010 in superconducting rf cryomodules

S. Posen, G. Wu, A. Grassellino, E. Harms, O. S. Melnychuk, D. A. Sergatskov, N. Solyak, A. Romanenko, A. Palczewski, D. Gonnella, and T. Peterson

Phys. Rev. Accel. Beams 22, 032001 (2019) - Published 12 March, 2019

Magnet Calculations and Technology

Optimization of low aspect ratio, iron dominated dipole magnets

N. Majernik, S. K. Barber, J. van Tilborg, J. B. Rosenzweig, and W. P. Leemans

Phys. Rev. Accel. Beams 22, 032401 (2019) - Published 27 March, 2019

Beam Control, Diagnostics, and Feedback

Design and test of a compact and high-resolution time-of-flight measurement device for cold neutron beams

Damien Roulier, Valery Nesvizhevsky, Benoît Clément, Guilhem Freche, Guillaume Pignol, Dominique Rebreyend, Francis Vezzu, Stefan Baeßler, and Alexander Strelkov

Phys. Rev. Accel. Beams 22, 032801 (2019) - Published 12 March, 2019

Simulations and measurements of the impact of collective effects on dynamic aperture

Vadim Sajaev, Ryan Lindberg, Michael Borland, and Seunghwan Shin

Phys. Rev. Accel. Beams 22, 032802 (2019) - Published 19 March, 2019

Damping of injection perturbations at the European Synchrotron Radiation Facility

S. White, J. Chavanne, M. Dubrulle, G. Le Bec, E. Plouviez, P. Raimondi, and B. Roche

Phys. Rev. Accel. Beams 22, 032803 (2019) - Published 27 March, 2019

Particle and Radiation Detectors

EDITORS' SUGGESTION

Single-shot measurement of phase and topological properties of orbital angular momentum radiation through asymmetric lateral coherence

B. Paroli, M. Siano, L. Teruzzi, and M. A. C. Potenza

Phys. Rev. Accel. Beams 22, 032901 (2019) - Published 27 March, 2019

The phase and topological properties of radiation from x-ray sources can be characterized in a single shot with the help of simple apertures.

Targets, Collimators, and Beam Dumps

Implementation of multistrip crystals to protect the septum magnets and to generate gamma radiation

A. G. Afonin, E. V. Barnov, G. I. Britvich, Yu. A. Chesnokov, P. N. Chirkov, A. A. Durum, M. Yu. Kostin, I. S. Lobanov, V. A. Maisheev, I. V. Poluektov, S. F. Reshetnikov, Yu. E. Sandomirskiy, D. A. Savin, and A. A. Yanovich

Phys. Rev. Accel. Beams 22, 033001 (2019) - Published 19 March, 2019

Particle-Beam Sources

pn-type substrate dependence of CsK2Sb photocathode performance

L. Guo and M. Katoh

Phys. Rev. Accel. Beams 22, 033401 (2019) - Published 1 March, 2019

Single-Particle Dynamics

Hybrid ring design in the storage-ring proton electric dipole moment experiment

S. Hacıömeroğlu and Y. K. Semertzidis

Phys. Rev. Accel. Beams 22, 034001 (2019) - Published 5 March, 2019

Innovative method to measure the extent of the stable phase-space region of proton synchrotrons

E. H. Maclean, M. Giovannozzi, and R. B. Appleby

Phys. Rev. Accel. Beams 22, 034002 (2019) - Published 12 March, 2019

Low-Energy, Multiple-Particle Dynamics

Orientation effect in the neutron yield in deuterated Pd target bombarded by deuterium ion beam

O. D. Dalkarov, M. A. Negodaev, A. S. Rusetskii, A. P. Chubenko, Yu. L. Pivovarov, and T. A. Tukhfatullin

Phys. Rev. Accel. Beams 22, 034201 (2019) - Published 12 March, 2019

Convective instabilities of bunched beams with space charge

A. Burov

Phys. Rev. Accel. Beams 22, 034202 (2019) - Published 28 March, 2019

Relativistic, Multiple-Particle Dynamics

EDITORS' SUGGESTION

Microbunched electron cooling with amplification cascades

G. Stupakov and P. Baxevanis

Phys. Rev. Accel. Beams 22, 034401 (2019) - Published 20 March, 2019

A one-dimensional model of microbunched electron cooling using a chicane-based microbunching amplifier with multiple stages.

Material-Beam Interaction

Disentangling the bulk and exit surface contribution on projectile-charge-state evolution

Prashant Sharma and Tapan Nandi

Phys. Rev. Accel. Beams 22, 034501 (2019) - Published 26 March, 2019

REVIEW ARTICLES

Influence of crystalline structure on rf dissipation in superconducting niobium

C. Z. Antoine

Phys. Rev. Accel. Beams 22, 034801 (2019) - Published 7 March, 2019

OTHER ARTICLES OF INTEREST

Pump-Probe Ghost Imaging with SASE FELs

D. Ratner, J. P. Cryan, T. J. Lane, S. Li, and G. Stupakov

Phys. Rev. X 9, 011045 (2019) - Published 11 March, 2019

A new approach to measuring ultrafast atomic and molecular behavior with an x-ray free-electron laser offers subfemtosecond time resolution—an order of magnitude improvement over current methods—while also simplifying the setup.

FEATURED IN PHYSICS
EDITORS' SUGGESTION

Laser-Driven Electron Lensing in Silicon Microstructures

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

Phys. Rev. Lett. 122, 104801 (2019) - Published 12 March, 2019

An array of silicon pillars could focus and confine an electron beam in future computer-chip-sized electron accelerators, allowing faster acceleration of electrons using this technology.

Direct Observation of Plasma Waves and Dynamics Induced by Laser-Accelerated Electron Beams

M. F. Gilljohann, H. Ding, A. Döpp, J. Götzfried, S. Schindler, G. Schilling, S. Corde, A. Debus, T. Heinemann, B. Hidding, S. M. Hooker, A. Irman, O. Kononenko, T. Kurz, A. Martinez de la Ossa, U. Schramm, and S. Karsch

Phys. Rev. X 9, 011046 (2019) - Published 12 March, 2019

Miniature models of a novel type of laser-based particle accelerator could boost research on future high-energy colliders.

EDITORS' SUGGESTION

Longitudinal Phase-Space Manipulation with Beam-Driven Plasma Wakefields

V. Shpakov et al.

Phys. Rev. Lett. 122, 114801 (2019) - Published 19 March, 2019

A new device removes the time-energy correlation or energy chirp on a plasma wakefield, reducing the overall energy spread of the beam.

EDITORS' SUGGESTION

Nanosecond rf-Power Switch for Gyrotron-Driven Millimeter-Wave Accelerators

S.V. Kutsaev, B. Jacobson, A.Yu. Smirnov, T. Campese, V.A. Dolgashev, V. Goncharik, M. Harrison, A. Murokh, E. Nanni, J. Picard, M. Ruelas, and S.C. Schaub

Phys. Rev. Applied 11, 034052 (2019) - Published 21 March, 2019

Terahertz accelerators can achieve potential gradients beyond 200 MV/m. Gyrotrons are the only power sources capable of producing megawatt-level, microsecond-long pulses in this frequency range, yet nanosecond-long pulses are required for breakdown-free operation. The authors explore the possibility of using a single GaAs wafer to enable production of the required pulse widths, with rise and fall times that closely track the illuminating laser’s pulse length. They demonstrate and quantify the reflective properties and laser-induced photoconductive effect of GaAs in the millimeter-wave regime, for use in a laser-operated shutter.

Nonlinear Compton scattering of an ultraintense laser pulse in a plasma

Felix Mackenroth, Naveen Kumar, Norman Neitz, and Christoph H. Keitel

Phys. Rev. E 99, 033205 (2019) - Published 26 March, 2019

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