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HIGHLIGHTED ARTICLES

Linac booster for high energy proton therapy and imaging

Alberto Degiovanni, Ugo Amaldi, Anthony J. Lomax, Jacobus M. Schippers, Lukas Stingelin, and Javier Bilbao de Mendizabal

Phys. Rev. Accel. Beams 21, 064701 (2018) - Published 28 June, 2018

A proposed upgrade for proton accelerators used for cancer treatment could enable doctors to use the machines to image tumors as well as to treat them.

Single-pass high-gain tapered free-electron laser with transverse diffraction in the postsaturation regime

Cheng-Ying Tsai, Juhao Wu, Chuan Yang, Moohyun Yoon, and Guanqun Zhou

Phys. Rev. Accel. Beams 21, 060702 (2018) - Published 28 June, 2018

The single-pass free-electron laser dynamics in the saturation regime is discussed by analyzing the undulator tapering and the diffraction of the radiation.

Design, fabrication, and high-gradient testing of an X-band, traveling-wave accelerating structure milled from copper halves

Theodoros Argyropoulos, Nuria Catalan-Lasheras, Alexej Grudiev, Gerard Mcmonagle, Enrique Rodriguez-Castro, Igor Syrachev, Rolf Wegner, Ben Woolley, Walter Wuensch, Hao Zha, Valery Dolgashev, Gorden Bowden, Andrew Haase, Thomas Geoffrey Lucas, Matteo Volpi, Daniel Esperante-Pereira, and Robin Rajamäki

Phys. Rev. Accel. Beams 21, 061001 (2018) - Published 7 June, 2018

Fabricating entire accelerator structures simplifies production and can be advantageous in a wide variety of applications.

Electron cloud buildup driving spontaneous vertical instabilities of stored beams in the Large Hadron Collider

Annalisa Romano, Oliver Boine-Frankenheim, Xavier Buffat, Giovanni Iadarola, and Giovanni Rumolo

Phys. Rev. Accel. Beams 21, 061002 (2018) - Published 8 June, 2018

A beam instability driven by an electron cloud manifests itself hours after beam injection, when the beam intensity has significantly decreased from its maximum initial value.

Single-shot wakefield measurement system

Qiang Gao, Jiaru Shi, Huaibi Chen, Gwanghui Ha, John G. Power, Manoel Conde, and Wei Gai

Phys. Rev. Accel. Beams 21, 062801 (2018) - Published 26 June, 2018

The single-shot measurement of the longitudinal wakefield by a long witness bunch was validated by particle tracking simulations and a proof-of-principle beam experiment.

ARTICLES

Low- and Intermediate-Energy Accelerators

Interleaving lattice for the Argonne Advanced Photon Source linac

S. Shin, Y. Sun, J. Dooling, M. Borland, and A. Zholents

Phys. Rev. Accel. Beams 21, 060101 (2018) - Published 12 June, 2018

Synchrotron Radiation and Free-Electron Lasers

Characterization of the double-double bend achromat lattice modification to the Diamond Light Source storage ring

I. P. S. Martin, M. Apollonio, R. T. Fielder, E. Koukovini-Platia, B. Singh, and R. Bartolini

Phys. Rev. Accel. Beams 21, 060701 (2018) - Published 25 June, 2018

Single-pass high-gain tapered free-electron laser with transverse diffraction in the postsaturation regime

Cheng-Ying Tsai, Juhao Wu, Chuan Yang, Moohyun Yoon, and Guanqun Zhou

Phys. Rev. Accel. Beams 21, 060702 (2018) - Published 28 June, 2018

The single-pass free-electron laser dynamics in the saturation regime is discussed by analyzing the undulator tapering and the diffraction of the radiation.

High-Energy Accelerators and Colliders

Design, fabrication, and high-gradient testing of an X-band, traveling-wave accelerating structure milled from copper halves

Theodoros Argyropoulos, Nuria Catalan-Lasheras, Alexej Grudiev, Gerard Mcmonagle, Enrique Rodriguez-Castro, Igor Syrachev, Rolf Wegner, Ben Woolley, Walter Wuensch, Hao Zha, Valery Dolgashev, Gorden Bowden, Andrew Haase, Thomas Geoffrey Lucas, Matteo Volpi, Daniel Esperante-Pereira, and Robin Rajamäki

Phys. Rev. Accel. Beams 21, 061001 (2018) - Published 7 June, 2018

Fabricating entire accelerator structures simplifies production and can be advantageous in a wide variety of applications.

Electron cloud buildup driving spontaneous vertical instabilities of stored beams in the Large Hadron Collider

Annalisa Romano, Oliver Boine-Frankenheim, Xavier Buffat, Giovanni Iadarola, and Giovanni Rumolo

Phys. Rev. Accel. Beams 21, 061002 (2018) - Published 8 June, 2018

A beam instability driven by an electron cloud manifests itself hours after beam injection, when the beam intensity has significantly decreased from its maximum initial value.

Reducing the beam impedance of the kicker at the 3-GeV rapid cycling synchrotron of the Japan Proton Accelerator Research Complex

Yoshihiro Shobuda, Yong Ho Chin, Naoki Hayashi, Yoshiro Irie, Tomohiro Takayanagi, Tomohito Togashi, Takeshi Toyama, Kazami Yamamoto, and Masanobu Yamamoto

Phys. Rev. Accel. Beams 21, 061003 (2018) - Published 11 June, 2018

Mechanism of vacuum breakdown in radio-frequency accelerating structures

S. A. Barengolts, V. G. Mesyats, V. I. Oreshkin, E. V. Oreshkin, K. V. Khishchenko, I. V. Uimanov, and M. M. Tsventoukh

Phys. Rev. Accel. Beams 21, 061004 (2018) - Published 12 June, 2018

Low emittance muon accelerator studies with production from positrons on target

M. Boscolo, M. Antonelli, O. R. Blanco-García, S. Guiducci, S. Liuzzo, P. Raimondi, and F. Collamati

Phys. Rev. Accel. Beams 21, 061005 (2018) - Published 26 June, 2018

New Acceleration Techniques

rf losses in a high gradient cryogenic copper cavity

A. D. Cahill, J. B. Rosenzweig, V. A. Dolgashev, Z. Li, S. G. Tantawi, and S. Weathersby

Phys. Rev. Accel. Beams 21, 061301 (2018) - Published 29 June, 2018

Radio Frequency Calculations and Technology

Resonant interaction of the electron beam with a synchronous wave in controlled magnetrons for high-current superconducting accelerators

G. Kazakevich, R. Johnson, V. Lebedev, V. Yakovlev, and V. Pavlov

Phys. Rev. Accel. Beams 21, 062001 (2018) - Published 14 June, 2018

Beam Control, Diagnostics, and Feedback

Single-shot wakefield measurement system

Qiang Gao, Jiaru Shi, Huaibi Chen, Gwanghui Ha, John G. Power, Manoel Conde, and Wei Gai

Phys. Rev. Accel. Beams 21, 062801 (2018) - Published 26 June, 2018

The single-shot measurement of the longitudinal wakefield by a long witness bunch was validated by particle tracking simulations and a proof-of-principle beam experiment.

Injection orbit matching for a rapid cycling synchrotron

Xiaohan Lu, Ming-Yang Huang, and Sheng Wang

Phys. Rev. Accel. Beams 21, 062802 (2018) - Published 28 June, 2018

Other Accelerator Subsystems and Technologies

Numerical simulation of long rods impacted by particle beams

Marcus Portelli, A. Bertarelli, F. Carra, L. K. Mettler, P. Mollicone, and N. Sammut

Phys. Rev. Accel. Beams 21, 063501 (2018) - Published 25 June, 2018

Low-Energy, Multiple-Particle Dynamics

Dynamical bunching and density peaks in expanding Coulomb clouds

B. S. Zerbe, X. Xiang, C.-Y. Ruan, S. M. Lund, and P. M. Duxbury

Phys. Rev. Accel. Beams 21, 064201 (2018) - Published 14 June, 2018

Relativistic, Multiple-Particle Dynamics

Submacropulse electron-beam dynamics correlated with higher-order modes in Tesla-type superconducting rf cavities

A. H. Lumpkin, R. Thurman-Keup, D. Edstrom, J. Ruan, N. Eddy, P. Prieto, O. Napoly, B. E. Carlsten, and K. Bishofberger

Phys. Rev. Accel. Beams 21, 064401 (2018) - Published 4 June, 2018

Optimized operation of dielectric laser accelerators: Multibunch

Adi Hanuka and Levi Schächter

Phys. Rev. Accel. Beams 21, 064402 (2018) - Published 7 June, 2018

Transverse impedances and collective instabilities in a heavy ion accelerator

J. Liu, J. C. Yang, J. W. Xia, D. Y. Yin, G. D. Shen, P. Li, B. Wu, S. Ruan, H. Zhao, G. Wang, Z. Q. Dong, K. D. Wang, and L. P. Yao

Phys. Rev. Accel. Beams 21, 064403 (2018) - Published 12 June, 2018

Computing and Algorithms

Impedances of anisotropic round and rectangular chambers

Igor Zagorodnov

Phys. Rev. Accel. Beams 21, 064601 (2018) - Published 27 June, 2018

Applications

Linac booster for high energy proton therapy and imaging

Alberto Degiovanni, Ugo Amaldi, Anthony J. Lomax, Jacobus M. Schippers, Lukas Stingelin, and Javier Bilbao de Mendizabal

Phys. Rev. Accel. Beams 21, 064701 (2018) - Published 28 June, 2018

A proposed upgrade for proton accelerators used for cancer treatment could enable doctors to use the machines to image tumors as well as to treat them.

ERRATA

OTHER ARTICLES OF INTEREST

Terahertz Streaking of Few-Femtosecond Relativistic Electron Beams

Lingrong Zhao, Zhe Wang, Chao Lu, Rui Wang, Cheng Hu, Peng Wang, Jia Qi, Tao Jiang, Shengguang Liu, Zhuoran Ma, Fengfeng Qi, Pengfei Zhu, Ya Cheng, Zhiwen Shi, Yanchao Shi, Wei Song, Xiaoxin Zhu, Jiaru Shi, Yingxin Wang, Lixin Yan, Liguo Zhu, Dao Xiang, and Jie Zhang

Phys. Rev. X 8, 021061 (2018) - Published 8 June, 2018

A new technique for time-stamping bunches of electrons with terahertz pulses allows the electron arrival time to be recorded with 1.5-fs accuracy, paving the way for greatly improved time resolution in apparatuses that probe ultrafast, atomic-scale processes.

Observation of Laser Power Amplification in a Self-Injecting Laser Wakefield Accelerator

M. J. V. Streeter, S. Kneip, M. S. Bloom, R. A. Bendoyro, O. Chekhlov, A. E. Dangor, A. Döpp, C. J. Hooker, J. Holloway, J. Jiang, N. C. Lopes, H. Nakamura, P. A. Norreys, C. A. J. Palmer, P. P. Rajeev, J. Schreiber, D. R. Symes, M. Wing, S. P. D. Mangles, and Z. Najmudin

Phys. Rev. Lett. 120, 254801 (2018) - Published 19 June, 2018

High-Brilliance Betatron γ-Ray Source Powered by Laser-Accelerated Electrons

J. Ferri, S. Corde, A. Döpp, A. Lifschitz, A. Doche, C. Thaury, K. Ta Phuoc, B. Mahieu, I. A. Andriyash, V. Malka, and X. Davoine

Phys. Rev. Lett. 120, 254802 (2018) - Published 21 June, 2018

High-Power Femtosecond Soft X Rays from Fresh-Slice Multistage Free-Electron Lasers

Alberto A. Lutman, Marc W. Guetg, Timothy J. Maxwell, James P. MacArthur, Yuantao Ding, Claudio Emma, Jacek Krzywinski, Agostino Marinelli, and Zhirong Huang

Phys. Rev. Lett. 120, 264801 (2018) - Published 26 June, 2018

A new x-ray free-electron-laser configuration emits soft x-ray pulses with record-breaking energies.

Dispersion-Based Fresh-Slice Scheme for Free-Electron Lasers

Marc W. Guetg, Alberto A. Lutman, Yuantao Ding, Timothy J. Maxwell, and Zhirong Huang

Phys. Rev. Lett. 120, 264802 (2018) - Published 28 June, 2018

High Spin-Flip Efficiency at 255 GeV for Polarized Protons in a Ring With Two Full Siberian Snakes

H. Huang, J. Kewisch, C. Liu, A. Marusic, W. Meng, F. Méot, P. Oddo, V. Ptitsyn, V. Ranjbar, and T. Roser

Phys. Rev. Lett. 120, 264804 (2018) - Published 28 June, 2018

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