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HIGHLIGHTED ARTICLES

Design study for a compact laser-driven source for medical x-ray fluorescence imaging

Theresa Brümmer, Alexander Debus, Richard Pausch, Jens Osterhoff, and Florian Grüner

Phys. Rev. Accel. Beams 23, 031601 (2020) - Published 2 March, 2020

An outstanding example analysis of limitations of Thomson sources.

Visualization of relativistic laser pulses in underdense plasma

M. B. Schwab, E. Siminos, T. Heinemann, D. Ullmann, F. Karbstein, S. Kuschel, A. Sävert, M. Yeung, D. Hollatz, A. Seidel, J. Cole, S. P. D. Mangles, B. Hidding, M. Zepf, S. Skupin, and M. C. Kaluza

Phys. Rev. Accel. Beams 23, 032801 (2020) - Published 2 March, 2020

Relativistic electron-cyclotron resonance provides a nondestructive diagnostic for tracking the evolution of the pump laser distribution in a laser wakefield accelerator.

Design of the future circular hadron collider beam vacuum chamber

I. Bellafont, M. Morrone, L. Mether, J. Fernández, R. Kersevan, C. Garion, V. Baglin, P. Chiggiato, and F. Pérez

Phys. Rev. Accel. Beams 23, 033201 (2020) - Published 6 March, 2020

The optimized vacuum chamber for a future higher-energy hadron collider minimizes electron cloud build-up, outgassing from synchrotron radiation, and heat leakage to the cold mass of the superconducting magnets, while maximizing pumping efficiency and ensuring mechanical stability during a magnet quench.

Generalization of coupled S-parameter calculation to compute beam impedances in particle accelerators

Thomas Flisgen, Erion Gjonaj, Hans-Walter Glock, and Andranik Tsakanian

Phys. Rev. Accel. Beams 23, 034601 (2020) - Published 11 March, 2020

A decomposition approach for the computation of the beam impedance of large complex structures.

ARTICLES

Pulsed-Power Accelerators, Technology, and Dynamics

Current adding transmission lines for compact MA-class linear transformer drivers

P.-A. Gourdain, M. B. Adams, M. Evans, H. R. Hasson, R. V. Shapovalov, R. B. Spielman, J. R. Young, and I. West-Abdallah

Phys. Rev. Accel. Beams 23, 030401 (2020) - Published 30 March, 2020

Synchrotron Radiation and Free-Electron Lasers

Longitudinal acceptance measurement at an electron storage ring

Peter Kuske, Ji Li, and Masamitsu Aiba

Phys. Rev. Accel. Beams 23, 030701 (2020) - Published 4 March, 2020

Polarization control of an x-ray free electron laser oscillator

Nanshun Huang, Kai Li, and Haixiao Deng

Phys. Rev. Accel. Beams 23, 030702 (2020) - Published 13 March, 2020

Demonstration of two-color x-ray free-electron laser pulses with a sextupole magnet

P. Dijkstal, A. Malyzhenkov, S. Reiche, and E. Prat

Phys. Rev. Accel. Beams 23, 030703 (2020) - Published 30 March, 2020

High-Energy Accelerators and Colliders

Halo removal experiments with hollow electron lens in the BNL Relativistic Heavy Ion Collider

X. Gu, W. Fischer, Z. Altinbas, A. Drees, J. Hock, R. Hulsart, C. Liu, A. Marusic, T. A. Miller, M. Minty, G. Robert-Demolaize, Y. Tan, P. Thieberger, H. Garcia Morales, D. Mirarchi, S. Redaelli, A. I. Pikin, and G. Stancari

Phys. Rev. Accel. Beams 23, 031001 (2020) - Published 9 March, 2020

Emittance growth from luminosity burn-off in future hadron colliders

R. Tomás, J. Keintzel, and S. Papadopoulou

Phys. Rev. Accel. Beams 23, 031002 (2020) - Published 10 March, 2020

Measurement of internal dark current in a 17 GHz accelerator structure with an elliptical sidewall

Haoran Xu, Michael A. Shapiro, and Richard J. Temkin

Phys. Rev. Accel. Beams 23, 031003 (2020) - Published 26 March, 2020

New Acceleration Techniques

Toward a plasma-based accelerator at high beam energy with high beam charge and high beam quality

P. A. P. Nghiem et al.

Phys. Rev. Accel. Beams 23, 031301 (2020) - Published 3 March, 2020

Emittance measurement along transport beam line for laser driven protons

M. J. Wu, D. Y. Li, J. G. Zhu, T. Yang, X. Y. Hu, Y. X. Geng, K. Zhu, M. J. Easton, Y. Y. Zhao, A. L. Zhang, H. Y. Lu, W. J. Ma, C. Lin, and X. Q. Yan

Phys. Rev. Accel. Beams 23, 031302 (2020) - Published 11 March, 2020

Mean volume reflection angle

M. V. Bondarenco

Phys. Rev. Accel. Beams 23, 031303 (2020) - Published 13 March, 2020

Simulation analysis and optimization of fresh-slice multistage free-electron lasers

Zhaoheng Guo, Marc W. Guetg, Yuantao Ding, Agostino Marinelli, Juhao Wu, Zhirong Huang, and Alberto A. Lutman

Phys. Rev. Accel. Beams 23, 031304 (2020) - Published 17 March, 2020

Design Studies

Design study for a compact laser-driven source for medical x-ray fluorescence imaging

Theresa Brümmer, Alexander Debus, Richard Pausch, Jens Osterhoff, and Florian Grüner

Phys. Rev. Accel. Beams 23, 031601 (2020) - Published 2 March, 2020

An outstanding example analysis of limitations of Thomson sources.

Beam Control, Diagnostics, and Feedback

Visualization of relativistic laser pulses in underdense plasma

M. B. Schwab, E. Siminos, T. Heinemann, D. Ullmann, F. Karbstein, S. Kuschel, A. Sävert, M. Yeung, D. Hollatz, A. Seidel, J. Cole, S. P. D. Mangles, B. Hidding, M. Zepf, S. Skupin, and M. C. Kaluza

Phys. Rev. Accel. Beams 23, 032801 (2020) - Published 2 March, 2020

Relativistic electron-cyclotron resonance provides a nondestructive diagnostic for tracking the evolution of the pump laser distribution in a laser wakefield accelerator.

Novel transverse emittance measurements for electron cooling characterization

J. R. Hunt, J. Resta-López, C. P. Welsch, C. Carli, B. Dupuy, and D. Gamba

Phys. Rev. Accel. Beams 23, 032802 (2020) - Published 3 March, 2020

Electron beam characterization with beam loss monitors

L. Verra, M. Turner, S. Gessner, E. Gschwendtner, F. M. Velotti, and P. Muggli

Phys. Rev. Accel. Beams 23, 032803 (2020) - Published 6 March, 2020

Transverse phase space characterization in an accelerator test facility

A. Wolski, D. C. Christie, B. L. Militsyn, D. J. Scott, and H. Kockelbergh

Phys. Rev. Accel. Beams 23, 032804 (2020) - Published 10 March, 2020

Machine learning based image processing technology application in bunch longitudinal phase information extraction

Xingyi Xu, Yimei Zhou, and Yongbin Leng

Phys. Rev. Accel. Beams 23, 032805 (2020) - Published 25 March, 2020

Accelerator Materials and Surfaces

Optimization of the secondary electron yield of laser-structured copper surfaces at room and cryogenic temperature

Sergio Calatroni, Elisa Garcia-Tabares Valdivieso, Ana Teresa Perez Fontenla, Mauro Taborelli, Holger Neupert, Marcel Himmerlich, Paolo Chiggiato, David Bajek, Stefan Wackerow, and Amin Abdolvand

Phys. Rev. Accel. Beams 23, 033101 (2020) - Published 11 March, 2020

Vacuum electrical breakdown conditioning study in a parallel plate electrode pulsed dc system

Anders Korsbäck, Flyura Djurabekova, Laura Mercadé Morales, Iaroslava Profatilova, Enrique Rodriguez Castro, Walter Wuensch, Sergio Calatroni, and Tommy Ahlgren

Phys. Rev. Accel. Beams 23, 033102 (2020) - Published 23 March, 2020

Cryogenics and Vacuum Technology

Design of the future circular hadron collider beam vacuum chamber

I. Bellafont, M. Morrone, L. Mether, J. Fernández, R. Kersevan, C. Garion, V. Baglin, P. Chiggiato, and F. Pérez

Phys. Rev. Accel. Beams 23, 033201 (2020) - Published 6 March, 2020

The optimized vacuum chamber for a future higher-energy hadron collider minimizes electron cloud build-up, outgassing from synchrotron radiation, and heat leakage to the cold mass of the superconducting magnets, while maximizing pumping efficiency and ensuring mechanical stability during a magnet quench.

Single-Particle Dynamics

Paraxial optics of charged particles in solenoids

Timofey Gorlov

Phys. Rev. Accel. Beams 23, 034001 (2020) - Published 10 March, 2020

Parametrization, characterization, and optimization of double-bend achromat cell

Yunhai Cai

Phys. Rev. Accel. Beams 23, 034002 (2020) - Published 11 March, 2020

Relativistic, Multiple-Particle Dynamics

Long-term evolution of Landau damping in the presence of transverse noise, feedback, and detuning

Sondre Vik Furuseth and Xavier Buffat

Phys. Rev. Accel. Beams 23, 034401 (2020) - Published 4 March, 2020

Transverse broadband impedance reduction techniques in a heavy ion accelerator

X. Q. Chen, G. Y. Zhu, F. Caspers, J. C. Yang, J. X. Wu, G. D. Shen, J. Liu, J. W. Xia, Y. Zhang, S. Ruan, G. Wang, L. P. Yao, F. C. Cai, H. Ren, Q. Y. Kong, and Y. Z. Gao

Phys. Rev. Accel. Beams 23, 034402 (2020) - Published 11 March, 2020

Transverse beam stability with low-impedance collimators in the High-Luminosity Large Hadron Collider: Status and challenges

S. A. Antipov, C. Accettura, D. Amorim, A. Bertarelli, N. Biancacci, R. Bruce, E. Carideo, F. Carra, J. Guardia Valenzuela, A. Mereghetti, E. Métral, S. Redaelli, B. Salvant, and D. Valuch

Phys. Rev. Accel. Beams 23, 034403 (2020) - Published 30 March, 2020

Computing and Algorithms

Generalization of coupled S-parameter calculation to compute beam impedances in particle accelerators

Thomas Flisgen, Erion Gjonaj, Hans-Walter Glock, and Andranik Tsakanian

Phys. Rev. Accel. Beams 23, 034601 (2020) - Published 11 March, 2020

A decomposition approach for the computation of the beam impedance of large complex structures.

ERRATA

Erratum: Quantum features of high energy particle incoherent scattering in crystals [Phys. Rev. Accel. Beams 22, 054501 (2019)]

Victor V. Tikhomirov

Phys. Rev. Accel. Beams 23, 039901 (2020) - Published 6 March, 2020

OTHER ARTICLES OF INTEREST

Suppression of Deflecting Forces in Planar-Symmetric Dielectric Wakefield Accelerating Structures with Elliptical Bunches

Brendan D. O’Shea, Gerard Andonian, S. S. Baturin, Christine I. Clarke, P. D. Hoang, Mark J. Hogan, Brian Naranjo, Oliver B. Williams, Vitaly Yakimenko, and James B. Rosenzweig

Phys. Rev. Lett. 124, 104801 (2020) - Published 11 March, 2020

High-gradient wakefield acceleration has been achieved without loss of beam quality by using elliptical electron drive beams and a dielectric material.

Hard X Rays from Laser-Wakefield Accelerators in Density Tailored Plasmas

Michaela Kozlova, Igor Andriyash, Julien Gautier, Stephane Sebban, Slava Smartsev, Noemie Jourdain, Uddhab Chaulagain, Yasmina Azamoum, Amar Tafzi, Jean-Philippe Goddet, Kosta Oubrerie, Cedric Thaury, Antoine Rousse, and Kim Ta Phuoc

Phys. Rev. X 10, 011061 (2020) - Published 11 March, 2020

The output of a compact x-ray source based on laser-generated plasma can be boosted by tailoring the spatial structure of the plasma.

Three-Dimensional Superconducting Resonators at T<20 mK with Photon Lifetimes up to τ=2 s

A. Romanenko, R. Pilipenko, S. Zorzetti, D. Frolov, M. Awida, S. Belomestnykh, S. Posen, and A. Grassellino

Phys. Rev. Applied 13, 034032 (2020) - Published 12 March, 2020

Polarization-Dependent Self-Injection by Above Threshold Ionization Heating in a Laser Wakefield Accelerator

Y. Ma, D. Seipt, A. E. Hussein, S. Hakimi, N. F. Beier, S. B. Hansen, J. Hinojosa, A. Maksimchuk, J. Nees, K. Krushelnick, A. G. R. Thomas, and F. Dollar

Phys. Rev. Lett. 124, 114801 (2020) - Published 16 March, 2020

Cascaded Multicycle Terahertz-Driven Ultrafast Electron Acceleration and Manipulation

Dongfang Zhang, Moein Fakhari, Huseyin Cankaya, Anne-Laure Calendron, Nicholas H. Matlis, and Franz X. Kärtner

Phys. Rev. X 10, 011067 (2020) - Published 19 March, 2020

Experiments demonstrate the first realization of multicycle terahertz electron acceleration and terahertz energy recycling, paving the way for a new generation of compact and efficient accelerators.

Laguerre-Gaussian Mode Laser Heater for Microbunching Instability Suppression in Free-Electron Lasers

Jingyi Tang, Randy Lemons, Wei Liu, Sharon Vetter, Timothy Maxwell, Franz-Josef Decker, Alberto Lutman, Jacek Krzywinski, Gabriel Marcus, Stefan Moeller, Zhirong Huang, Daniel Ratner, and Sergio Carbajo

Phys. Rev. Lett. 124, 134801 (2020) - Published 30 March, 2020

Researchers show that they can better shape an electron bunch by using a hollow laser beam, something that could allow them to generate brighter x rays for x-ray free-electron lasers.

Dephasingless Laser Wakefield Acceleration

J. P. Palastro, J. L. Shaw, P. Franke, D. Ramsey, T. T. Simpson, and D. H. Froula

Phys. Rev. Lett. 124, 134802 (2020) - Published 31 March, 2020

A proposed design for plasma accelerators would use line-focused laser pulses to overcome the problem of particles outrunning the acceleration region.

Breaking 50 Femtosecond Resolution Barrier in MeV Ultrafast Electron Diffraction with a Double Bend Achromat Compressor

Fengfeng Qi, Zhuoran Ma, Lingrong Zhao, Yun Cheng, Wenxiang Jiang, Chao Lu, Tao Jiang, Dong Qian, Zhe Wang, Wentao Zhang, Pengfei Zhu, Xiao Zou, Weishi Wan, Dao Xiang, and Jie Zhang

Phys. Rev. Lett. 124, 134803 (2020) - Published 31 March, 2020

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