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HIGHLIGHTED ARTICLES

Beam commissioning in the first superconducting segment of the Facility for Rare Isotope Beams

P. N. Ostroumov, T. Maruta, S. Cogan, K. Fukushima, S. H. Kim, S. Lidia, F. Marti, A. S. Plastun, J. Wei, T. Yoshimoto, T. Zhang, and Q. Zhao

Phys. Rev. Accel. Beams 22, 080101 (2019) - Published 7 August, 2019

Commissioning of the first section of the highest energy cw superconducting hadron linac.

Radiation of a charge in dielectric concentrator for Cherenkov radiation: Off-axis charge motion

Sergey N. Galyamin, Viktor V. Vorobev, and Andrey V. Tyukhtin

Phys. Rev. Accel. Beams 22, 083001 (2019) - Published 6 August, 2019

The radiation properties for a particle moving through a capillary with an offset with respect to the capillary central axis may enable a novel type of position measurement.

Theory of electric field breakdown nucleation due to mobile dislocations

Eliyahu Zvi Engelberg, Ayelet Badichi Yashar, Yinon Ashkenazy, Michael Assaf, and Inna Popov

Phys. Rev. Accel. Beams 22, 083501 (2019) - Published 7 August, 2019

A mechanism based on material dynamics explains the onset of high-gradient field breakdown and predicts experimentally observed dependencies of the breakdown rate on field level, pulse length, and temperature.

Topological cathodes: Controlling the space charge limit of electron emission using metamaterials

David H. Dowell

Phys. Rev. Accel. Beams 22, 084201 (2019) - Published 23 August, 2019

Tailoring the optical properties of a photocathode surface through nanostructure engineering can nearly eliminate the space-charge limit due to image charges.

ARTICLES

Low- and Intermediate-Energy Accelerators

Beam commissioning in the first superconducting segment of the Facility for Rare Isotope Beams

P. N. Ostroumov, T. Maruta, S. Cogan, K. Fukushima, S. H. Kim, S. Lidia, F. Marti, A. S. Plastun, J. Wei, T. Yoshimoto, T. Zhang, and Q. Zhao

Phys. Rev. Accel. Beams 22, 080101 (2019) - Published 7 August, 2019

Commissioning of the first section of the highest energy cw superconducting hadron linac.

Pulsed-Power Accelerators, Technology, and Dynamics

Design of 30-T pulsed magnetic field generator for magnetized high-energy-density plasma experiments

R. V. Shapovalov, G. Brent, R. Moshier, M. Shoup, R. B. Spielman, and P.-A. Gourdain

Phys. Rev. Accel. Beams 22, 080401 (2019) - Published 9 August, 2019

Synchrotron Radiation and Free-Electron Lasers

Free electron laser polarization control with interfering crossed polarized fields

Eugenio Ferrari, Eléonore Roussel, Jens Buck, Carlo Callegari, Riccardo Cucini, Giovanni De Ninno, Bruno Diviacco, David Gauthier, Luca Giannessi, Leif Glaser, Gregor Hartmann, Giuseppe Penco, Frank Scholz, Joern Seltmann, Ivan Shevchuk, Jens Viefhaus, Marco Zangrando, and Enrico Massimiliano Allaria

Phys. Rev. Accel. Beams 22, 080701 (2019) - Published 23 August, 2019

Experimental observations of seed growth and accompanying pedestal contamination in a self-seeded, soft x-ray free-electron laser

Gabriel Marcus, William M. Fawley, Dorian Bohler, Yuantao Ding, Yiping Feng, Erik Hemsing, Zhirong Huang, Jacek Krzywinski, Alberto Lutman, and Daniel Ratner

Phys. Rev. Accel. Beams 22, 080702 (2019) - Published 23 August, 2019

High-Energy Accelerators and Colliders

Measurement and modeling of electron-cloud-induced betatron tune shifts at the Cornell Electron-Positron Storage Ring test accelerator

S. Poprocki, S. W. Buechele, J. A. Crittenden, K. Rowan, D. L. Rubin, and J. E. San Soucie

Phys. Rev. Accel. Beams 22, 081001 (2019) - Published 1 August, 2019

Transient beam loading and rf power evaluation for future circular colliders

Ivan Karpov and Philippe Baudrenghien

Phys. Rev. Accel. Beams 22, 081002 (2019) - Published 6 August, 2019

Transverse dynamics considerations for microbunched electron cooling

P. Baxevanis and G. Stupakov

Phys. Rev. Accel. Beams 22, 081003 (2019) - Published 23 August, 2019

New Acceleration Techniques

Positron transport and acceleration in beam-driven plasma wakefield accelerators using plasma columns

S. Diederichs, T. J. Mehrling, C. Benedetti, C. B. Schroeder, A. Knetsch, E. Esarey, and J. Osterhoff

Phys. Rev. Accel. Beams 22, 081301 (2019) - Published 29 August, 2019

Radio Frequency Calculations and Technology

Demonstration of a cavity-based pulse compression system for pulse shape correction

Yuliang Jiang, Hao Zha, Ping Wang, Jiaru Shi, Huaibi Chen, William L Millar, and Igor Syratchev

Phys. Rev. Accel. Beams 22, 082001 (2019) - Published 7 August, 2019

Performance analysis of the European X-ray Free Electron Laser 3.9 GHz superconducting cavities

M. Bertucci, A. Bignami, A. Bosotti, P. Michelato, L. Monaco, C. Pagani, R. Paparella, D. Sertore, C. Maiano, P. Pierini, and J. Chen

Phys. Rev. Accel. Beams 22, 082002 (2019) - Published 12 August, 2019

Beam Control, Diagnostics, and Feedback

Knife-edge based measurement of the 4D transverse phase space of electron beams with picometer-scale emittance

Fuhao Ji, Jorge Giner Navarro, Pietro Musumeci, Daniel B. Durham, Andrew M. Minor, and Daniele Filippetto

Phys. Rev. Accel. Beams 22, 082801 (2019) - Published 1 August, 2019

Model-independent tuning for maximizing free electron laser pulse energy

Alexander Scheinker, Dorian Bohler, Sergey Tomin, Raimund Kammering, Igor Zagorodnov, Holger Schlarb, Matthias Scholz, Bolko Beutner, and Winfried Decking

Phys. Rev. Accel. Beams 22, 082802 (2019) - Published 8 August, 2019

New method of electron beam transverse size measurement by angular distribution of emission in a thin crystal

Yu. A. Goponov, S. A. Laktionova, R. A. Shatokhin, M. A. Sidnin, K. Sumitani, Y. Takabayashi, and I. E. Vnukov

Phys. Rev. Accel. Beams 22, 082803 (2019) - Published 26 August, 2019

Transverse diagnostics based on dipole mode signal fitting method in TESLA-type accelerating cavities at the free-electron laser FLASH

Junhao Wei, Nicoleta Baboi, and Liangliang Shi

Phys. Rev. Accel. Beams 22, 082804 (2019) - Published 27 August, 2019

Targets, Collimators, and Beam Dumps

Radiation of a charge in dielectric concentrator for Cherenkov radiation: Off-axis charge motion

Sergey N. Galyamin, Viktor V. Vorobev, and Andrey V. Tyukhtin

Phys. Rev. Accel. Beams 22, 083001 (2019) - Published 6 August, 2019

The radiation properties for a particle moving through a capillary with an offset with respect to the capillary central axis may enable a novel type of position measurement.

Data-driven cross-talk modeling of beam losses in LHC collimators

Gabriella Azzopardi, Belen Salvachua, and Gianluca Valentino

Phys. Rev. Accel. Beams 22, 083002 (2019) - Published 8 August, 2019

Accelerator Materials and Surfaces

Role of the different chemical components in the conditioning process of air exposed copper surfaces

V. Petit, M. Taborelli, H. Neupert, P. Chiggiato, and M. Belhaj

Phys. Rev. Accel. Beams 22, 083101 (2019) - Published 9 August, 2019

Cryogenics and Vacuum Technology

Commissioning of a beam screen test bench experiment with a future circular hadron collider type synchrotron radiation beam

L. A. Gonzalez, M. Gil-Costa, V. Baglin, P. Chiggiato, C. Garion, R. Kersevan, S. Casalbuoni, E. Huttel, I. Bellafont, and F. Perez

Phys. Rev. Accel. Beams 22, 083201 (2019) - Published 23 August, 2019

Experimental study of second sound quench detection for superconducting cavities

J. Plouin, B. Baudouy, A. Four, J. P. Charrier, L. Maurice, J. Novo, B. J. Peters, and K. Liao

Phys. Rev. Accel. Beams 22, 083202 (2019) - Published 26 August, 2019

Particle-Beam Sources

Increasing charge lifetime in dc polarized electron guns by offsetting the anode

Omer Rahman, Erdong Wang, Ilan Ben-Zvi, Jyoti Biswas, and John Skaritka

Phys. Rev. Accel. Beams 22, 083401 (2019) - Published 6 August, 2019

Other Accelerator Subsystems and Technologies

Theory of electric field breakdown nucleation due to mobile dislocations

Eliyahu Zvi Engelberg, Ayelet Badichi Yashar, Yinon Ashkenazy, Michael Assaf, and Inna Popov

Phys. Rev. Accel. Beams 22, 083501 (2019) - Published 7 August, 2019

A mechanism based on material dynamics explains the onset of high-gradient field breakdown and predicts experimentally observed dependencies of the breakdown rate on field level, pulse length, and temperature.

Low-Energy, Multiple-Particle Dynamics

Topological cathodes: Controlling the space charge limit of electron emission using metamaterials

David H. Dowell

Phys. Rev. Accel. Beams 22, 084201 (2019) - Published 23 August, 2019

Tailoring the optical properties of a photocathode surface through nanostructure engineering can nearly eliminate the space-charge limit due to image charges.

Relativistic, Multiple-Particle Dynamics

Higher harmonics and attosecond pulse generation by laser induced Thomson scattering in atomic clusters

Prachi Venkat and Amol R. Holkundkar

Phys. Rev. Accel. Beams 22, 084401 (2019) - Published 12 August, 2019

OTHER ARTICLES OF INTEREST

Superradiant and stimulated-superradiant emission of bunched electron beams

A. Gover, R. Ianconescu, A. Friedman, C. Emma, N. Sudar, P. Musumeci, and C. Pellegrini

Rev. Mod. Phys. 91, 035003 (2019) - Published 19 August, 2019

Electron beams can generate radiation spanning a wide range of the electromagnetic spectrum. Creating temporal structure in the beam density results in intense radiation emission proportional to the square of the particle number as compared to the linear dependence on particle number from a randomly distributed electron beam. In this article various coherent radiation emission processes are discussed including spontaneous emission, coherent spontaneous superradiance, and stimulated superradiance.

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