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Physical Review Accelerators and Beams

Volume 23, Issue 2

February 2020
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HIGHLIGHTED ARTICLES

EDITORS' SUGGESTION

High-brightness electron beams for linac-based bunched beam electron cooling

D. Kayran et al.

Phys. Rev. Accel. Beams 23, 021003 (2020) - Published 21 February, 2020

High-quality electron bunches produced from a dc photocathode gun are accelerated in an rf linac to cool ions in two rings significantly altering the evolution of bunch length and emittance.

ARTICLES

Low- and Intermediate-Energy Accelerators

First operation of the superconducting Darmstadt linear electron accelerator as an energy recovery linac

Michaela Arnold, Jonny Birkhan, Jonas Pforr, Norbert Pietralla, Felix Schließmann, Manuel Steinhorst, and Florian Hug

Phys. Rev. Accel. Beams 23, 020101 (2020) - Published 6 February, 2020

Beam commissioning of the 35 MeV section in an intensity modulated proton linear accelerator for proton therapy

L. Picardi, A. Ampollini, G. Bazzano, E. Cisbani, F. Ghio, R. M. Montereali, P. Nenzi, M. Piccinini, C. Ronsivalle, F. Santavenere, V. Surrenti, E. Trinca, M. Vadrucci, and E. Wembe Tafo

Phys. Rev. Accel. Beams 23, 020102 (2020) - Published 26 February, 2020

Pulsed-Power Accelerators, Technology, and Dynamics

Multichannel, triaxial, neutron time-of-flight diagnostic for experiments at the Z facility

C. L. Ruiz, D. L. Fehl, G. A. Chandler, G. Cooper, B. Jones, J. D. Styron, and J. Torres

Phys. Rev. Accel. Beams 23, 020401 (2020) - Published 10 February, 2020

Synchrotron Radiation and Free-Electron Lasers

Emittance exchange in electron booster synchrotron by coupling resonance crossing

J. Kallestrup and M. Aiba

Phys. Rev. Accel. Beams 23, 020701 (2020) - Published 3 February, 2020

Superradiant amplification in a chirped-tapered x-ray free-electron laser

J. Duris, Z. Zhang, J. MacArthur, Z. Huang, and A. Marinelli

Phys. Rev. Accel. Beams 23, 020702 (2020) - Published 6 February, 2020

Coherent photons with angular momentum in a helical afterburner

Erik Hemsing

Phys. Rev. Accel. Beams 23, 020703 (2020) - Published 11 February, 2020

Generation of frequency-chirped density modulation electron beam for producing ultrashort THz radiation pulse

Haoran Zhang, Wenxing Wang, Shimin Jiang, Chen Li, Zhigang He, Qika Jia, Lin Wang, and Duohui He

Phys. Rev. Accel. Beams 23, 020704 (2020) - Published 13 February, 2020

Undulator configuration for helicity switching in in-vacuum undulators

Ryota Kinjo and Takashi Tanaka

Phys. Rev. Accel. Beams 23, 020705 (2020) - Published 21 February, 2020

High-Energy Accelerators and Colliders

Polarization preservation of polarized deuteron beams in the electron ion collider at Brookhaven National Laboratory

H. Huang, F. Méot, V. Ptitsyn, V. Ranjbar, and T. Roser

Phys. Rev. Accel. Beams 23, 021001 (2020) - Published 11 February, 2020

Modeling of the emittance growth due to decoherence in collision at the Large Hadron Collider

X. Buffat, W. Herr, T. Pieloni, and D. Valuch

Phys. Rev. Accel. Beams 23, 021002 (2020) - Published 18 February, 2020

EDITORS' SUGGESTION

High-brightness electron beams for linac-based bunched beam electron cooling

D. Kayran et al.

Phys. Rev. Accel. Beams 23, 021003 (2020) - Published 21 February, 2020

High-quality electron bunches produced from a dc photocathode gun are accelerated in an rf linac to cool ions in two rings significantly altering the evolution of bunch length and emittance.

New Acceleration Techniques

Design and optimization of a novel bent-vane type radio frequency quadrupole

Lei Yang, Liang Lu, Zhouli Zhang, Chaochao Xing, Yulu Huang, Tao He, Chenxing Li, Xianbo Xu, Liepeng Sun, Longbo Shi, Andong Wu, and Yuan He

Phys. Rev. Accel. Beams 23, 021301 (2020) - Published 10 February, 2020

Acceleration of high charge ion beams with achromatic divergence by petawatt laser pulses

S. Steinke, J. H. Bin, J. Park, Q. Ji, K. Nakamura, A. J. Gonsalves, S. S. Bulanov, M. Thévenet, C. Toth, J.-L. Vay, C. B. Schroeder, C. G. R. Geddes, E. Esarey, T. Schenkel, and W. P. Leemans

Phys. Rev. Accel. Beams 23, 021302 (2020) - Published 19 February, 2020

Overcoming the dephasing limit in multiple-pulse laser wakefield acceleration

James D. Sadler, Christopher Arran, Hui Li, and Kirk A. Flippo

Phys. Rev. Accel. Beams 23, 021303 (2020) - Published 21 February, 2020

Generating high quality ultrarelativistic electron beams using an evolving electron beam driver

T. N. Dalichaouch, X. L. Xu, F. Li, A. Tableman, F. S. Tsung, W. An, and W. B. Mori

Phys. Rev. Accel. Beams 23, 021304 (2020) - Published 28 February, 2020

Beam Control, Diagnostics, and Feedback

Optics interlock system for the CERN LHC: Implementation and operational experience

M. Schaumann, A. Calia, K. Fuchsberger, M.-A. Galilée, G. H. Hemelsoet, M. Hostettler, D. Jacquet, J. Makai, and J. Wenninger

Phys. Rev. Accel. Beams 23, 022801 (2020) - Published 6 February, 2020

Noninvasive bunch length measurements exploiting Cherenkov diffraction radiation

A. Curcio, M. Bergamaschi, R. Corsini, W. Farabolini, D. Gamba, L. Garolfi, R. Kieffer, T. Lefevre, S. Mazzoni, K. Fedorov, J. Gardelle, A. Gilardi, P. Karataev, K. Lekomtsev, T. Pacey, Y. Saveliev, A. Potylitsyn, and E. Senes

Phys. Rev. Accel. Beams 23, 022802 (2020) - Published 10 February, 2020

Mapping photocathode quantum efficiency with ghost imaging

K. Kabra, S. Li, F. Cropp, Thomas J. Lane, P. Musumeci, and D. Ratner

Phys. Rev. Accel. Beams 23, 022803 (2020) - Published 12 February, 2020

Development of a bunch-width monitor for low-intensity muon beam below a few MeV

Yuki Sue, Mai Yotsuzuka, Kenta Futatsukawa, Kazuo Hasegawa, Toru Iijima, Hiromi Iinuma, Kenji Inami, Katsuhiro Ishida, Naritoshi Kawamura, Ryo Kitamura, Yasuhiro Kondo, Tsutomu Mibe, Yasuhiro Miyake, Takatoshi Morishita, Yuga Nakazawa, Masashi Otani, Naohito Saito, Koichiro Shimomura, Yusuke Takeuchi, Takahiro Ushizawa, Takayuki Yamazaki, and Hiromasa Yasuda

Phys. Rev. Accel. Beams 23, 022804 (2020) - Published 12 February, 2020

Accelerator Materials and Surfaces

Classification of vacuum arc breakdowns in a pulsed dc system

Anton Saressalo, Andreas Kyritsakis, Flyura Djurabekova, Iaroslava Profatilova, Jan Paszkiewicz, Sergio Calatroni, and Walter Wuensch

Phys. Rev. Accel. Beams 23, 023101 (2020) - Published 11 February, 2020

Flux expulsion in niobium superconducting radio-frequency cavities of different purity and essential contributions to the flux sensitivity

P. Dhakal, G. Ciovati, and A. Gurevich

Phys. Rev. Accel. Beams 23, 023102 (2020) - Published 28 February, 2020

Particle-Beam Sources

Long lifetime polarized electron beam production from negative electron affinity GaAs activated with Sb-Cs-O: Trade-offs between efficiency, spin polarization, and lifetime

Luca Cultrera, Alice Galdi, Jai Kwan Bae, Frank Ikponmwen, Jared Maxson, and Ivan Bazarov

Phys. Rev. Accel. Beams 23, 023401 (2020) - Published 10 February, 2020

Other Accelerator Subsystems and Technologies

Reduction of 400  GeV/c slow extraction beam loss with a wire diffuser at the CERN Super Proton Synchrotron

Brennan Goddard, Bruno Balhan, Jan Borburgh, Luigi Esposito, Matthew Alexander Fraser, Louise Jorat, Verena Kain, Christophe Lolliot, Linda Susan Stoel, Pieter van Trappen, Francesco Maria Velotti, Daniel Barna, and Dóra Veres

Phys. Rev. Accel. Beams 23, 023501 (2020) - Published 7 February, 2020

Relativistic, Multiple-Particle Dynamics

Impact of laser stacking and photocathode materials on microbunching instability in photoinjectors

S. Bettoni, M. Csatari Divall, R. Ganter, M. Pedrozzi, E. Prat, S. Reiche, T. Schietinger, A. Trisorio, C. Vicario, and V. Goryashko

Phys. Rev. Accel. Beams 23, 024401 (2020) - Published 12 February, 2020

Computing and Algorithms

Spin dynamics investigations for the electric dipole moment experiment

F. Rathmann, N. N. Nikolaev, and J. Slim

Phys. Rev. Accel. Beams 23, 024601 (2020) - Published 27 February, 2020

REVIEW ARTICLES

Source size measurement options for low-emittance light sources

N. Samadi, X. Shi, L. Dallin, and D. Chapman

Phys. Rev. Accel. Beams 23, 024801 (2020) - Published 21 February, 2020

COMMENTS

Comment on “Empirical condition of betatron resonances with space charge”

Ingo Hofmann

Phys. Rev. Accel. Beams 23, 028001 (2020) - Published 27 February, 2020

Reply to “Comment on ‘Empirical condition of betatron resonances with space charge”’

K. Kojima, H. Okamoto, and Y. Tokashiki

Phys. Rev. Accel. Beams 23, 028002 (2020) - Published 27 February, 2020

OTHER ARTICLES OF INTEREST

FEATURED IN PHYSICS
EDITORS' SUGGESTION

Femtosecond Compression Dynamics and Timing Jitter Suppression in a THz-driven Electron Bunch Compressor

E. C. Snively, M. A. K. Othman, M. Kozina, B. K. Ofori-Okai, S. P. Weathersby, S. Park, X. Shen, X. J. Wang, M. C. Hoffmann, R. K. Li, and E. A. Nanni

Phys. Rev. Lett. 124, 054801 (2020) - Published 4 February, 2020

Terahertz radiation can be used to produce short and well-timed pulses of electrons—which could benefit electron diffraction schemes used to image ultrafast atomic and molecular dynamics.

FEATURED IN PHYSICS
EDITORS' SUGGESTION

Femtosecond Relativistic Electron Beam with Reduced Timing Jitter from THz Driven Beam Compression

Lingrong Zhao, Heng Tang, Chao Lu, Tao Jiang, Pengfei Zhu, Long Hu, Wei Song, Huida Wang, Jiaqi Qiu, Chunguang Jing, Sergey Antipov, Dao Xiang, and Jie Zhang

Phys. Rev. Lett. 124, 054802 (2020) - Published 4 February, 2020

Terahertz radiation can be used to produce short and well-timed pulses of electrons—which could benefit electron diffraction schemes used to image ultrafast atomic and molecular dynamics.

FEATURED IN PHYSICS
EDITORS' SUGGESTION

Free-Electron–Bound-Electron Resonant Interaction

Avraham Gover and Amnon Yariv

Phys. Rev. Lett. 124, 064801 (2020) - Published 13 February, 2020

Electrons with a modulated wave function might enable improvements in electron microscopy and quantum computing.

Demonstration of Large Bandwidth Hard X-Ray Free-Electron Laser Pulses at SwissFEL

Eduard Prat, Philipp Dijkstal, Eugenio Ferrari, and Sven Reiche

Phys. Rev. Lett. 124, 074801 (2020) - Published 21 February, 2020

Experimental Demonstration of Hadron Beam Cooling Using Radio-Frequency Accelerated Electron Bunches

A. V. Fedotov et al.

Phys. Rev. Lett. 124, 084801 (2020) - Published 24 February, 2020

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