Výsledky vyhledávání - "G. A. Krafft"

Akademický článek

Autor: B. Dhital, Y. S. Derbenev, A. Hutton, H. Zhang, G. A. Krafft, Y. Zhang, F. Lin, V. S. Morozov

Publikováno v: Physical Review Accelerators and Beams, Vol 27, Iss 9, p 090101 (2024)

A dual-energy electron storage ring is a novel concept initially proposed to cool hadron beams at high energies. The design consists of two closed rings operating at significantly different energies: the low-energy ring and the high-energy ring. Thes

Externí odkaz: https://doaj.org/article/b7ec795ea13e4f51ad6ba7864edf462c

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Akademický článek

The Continuous Electron Beam Accelerator Facility at 12 GeV

Autor: P. A. Adderley, S. Ahmed, T. Allison, R. Bachimanchi, K. Baggett, M. BastaniNejad, B. Bevins, M. Bevins, M. Bickley, R. M. Bodenstein, S. A. Bogacz, M. Bruker, A. Burrill, L. Cardman, J. Creel, Y.-C. Chao, G. Cheng, G. Ciovati, S. Chattopadhyay, J. Clark, W. A. Clemens, G. Croke, E. Daly, G. K. Davis, J. Delayen, S. U. De Silva, M. Diaz, R. Dickson, L. Doolittle, D. Douglas, M. Drury, E. Feldl, J. Fischer, A. Freyberger, V. Ganni, R. L. Geng, C. Ginsburg, J. Gomez, J. Grames, J. Gubeli, J. Guo, F. Hannon, J. Hansknecht, L. Harwood, J. Henry, C. Hernandez-Garcia, T. Hiatt, D. Higinbotham, S. Higgins, A. S. Hofler, J. Hogan, C. Hovater, A. Hutton, C. Jones, K. Jordan, M. Joyce, R. Kazimi, M. Keesee, M. J. Kelley, C. Keppel, A. Kimber, L. King, P. Kjeldsen, P. Kneisel, J. Kowal, G. A. Krafft, G. Lahti, T. Larrieu, R. Lauze, C. Leemann, R. Legg, R. Li, F. Lin, D. Machie, J. Mammosser, K. Macha, K. Mahoney, F. Marhauser, B. Mastracci, J. Matalevich, J. McCarter, M. McCaughan, L. Merminga, R. Michaud, V. Morozov, C. Mounts, J. Musson, R. Nelson, W. Oren, R. B. Overton, G. Palacios-Serrano, H.-K. Park, L. Phillips, S. Philip, F. Pilat, T. Plawski, M. Poelker, P. Powers, T. Powers, J. Preble, T. Reilly, R. Rimmer, C. Reece, H. Robertson, Y. Roblin, C. Rode, T. Satogata, D. J. Seidman, A. Seryi, A. Shabalina, I. Shin, C. Slominski, R. Slominski, M. Spata, D. Spell, J. Spradlin, M. Stirbet, M. L. Stutzman, S. Suhring, K. Surles-Law, R. Suleiman, C. Tennant, H. Tian, D. Turner, M. Tiefenback, O. Trofimova, A.-M. Valente, H. Wang, Y. Wang, K. White, C. Whitlatch, T. Whitlatch, M. Wiseman, M. J. Wissman, G. Wu, S. Yang, B. Yunn, S. Zhang, Y. Zhang

Publikováno v: Physical Review Accelerators and Beams, Vol 27, Iss 8, p 084802 (2024)

This review paper describes the energy-upgraded Continuous Electron Beam Accelerator Facility (CEBAF) accelerator. This superconducting linac has achieved 12 GeV beam energy by adding 11 new high-performance cryomodules containing 88 superconducting

Externí odkaz: https://doaj.org/article/18535cc4069449a8acd9f8e55e6964ca

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Akademický článek

Scattered spectra from inverse Compton sources operating at high laser fields and high electron energies

Autor: G. A. Krafft, B. Terzić, E. Johnson, G. Wilson

Publikováno v: Physical Review Accelerators and Beams, Vol 26, Iss 3, p 034401 (2023)

As Compton x-ray and gamma-ray sources become more prevalent, to understand their performance in a precise way, it becomes important to be able to compute the distribution of scattered photons precisely. For example, codes have been developed at Old

Externí odkaz: https://doaj.org/article/4766d633ad664ac2b834a6f3caca7134

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Akademický článek

Laser chirping in inverse Compton sources at high electron beam energies and high laser intensities

Autor: B. Terzić, J. McKaig, E. Johnson, T. Dharanikota, G. A. Krafft

Publikováno v: Physical Review Accelerators and Beams, Vol 24, Iss 9, p 094401 (2021)

The onset of nonlinear effects, such as ponderomotive broadening, increases the radiation bandwidth and thereby places a stringent limitation on the laser intensity used in inverse Compton sources. Recently, we have shown that a judicious longitudina

Externí odkaz: https://doaj.org/article/2e9679b86eba4c05b60234020123fce4

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Akademický článek

Thermal emittance and lifetime of alkali-antimonide photocathodes grown on GaAs and molybdenum substrates evaluated in a -300 kV dc photogun

Autor: Y. Wang, M. A. Mamun, P. Adderley, B. Bullard, J. Grames, J. Hansknecht, C. Hernandez-Garcia, R. Kazimi, G. A. Krafft, G. Palacios-Serrano, M. Poelker, M. L. Stutzman, R. Suleiman, M. Tiefenback, S. Wijethunga, J. Yoskowitz, S. Zhang

Publikováno v: Physical Review Accelerators and Beams, Vol 23, Iss 10, p 103401 (2020)

Cs_{x}K_{y}Sb photocathodes grown on GaAs and molybdenum substrates were evaluated using a −300 kV dc high voltage photogun and diagnostic beam line. Photocathodes grown on GaAs substrates, with varying antimony layer thickness (estimated range fro

Externí odkaz: https://doaj.org/article/e0910e99a8f74e3cb3a0b1df6a067092

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Improving the electrostatic design of the Jefferson Lab 300 kV DC photogun

Autor: S. A. K. Wijethunga, M. A. Mamun, R. Suleiman, C. Hernandez-Garcia, B. Bullard, J. R. Delayen, J. Grames, G. A. Krafft, G. Palacios-Serrano, M. Poelker

Publikováno v: The Review of scientific instruments. 93(7)

The 300 kV DC high voltage photogun at Jefferson Lab was redesigned to deliver electron beams with a much higher bunch charge and improved beam properties. The original design provided only a modest longitudinal electric field ( E z) at the photocath

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::273645bb9dba510d082d112857d4710e
https://pubmed.ncbi.nlm.nih.gov/35922315

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Akademický článek

Compact -300 kV dc inverted insulator photogun with biased anode and alkali-antimonide photocathode

Publikováno v: Physical Review Accelerators and Beams, Vol 22, Iss 11, p 113401 (2019)

This contribution describes the latest milestones of a multiyear program to build and operate a compact -300 kV dc high voltage photogun with inverted insulator geometry and alkali-antimonide photocathodes. Photocathode thermal emittance measurements

Externí odkaz: https://doaj.org/article/5ce468f65c254ed394cf952f1e876bb2

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Modeling a Nb3Sn cryounit in GPT at UITF

Autor: S Pokharel, A S Hofler, G A Krafft

Publikováno v: Journal of Physics: Conference Series. 2420:012054

Nb3Sn is a prospective material for future superconducting radio frequency (SRF) accelerator cavities. Compared to conventional niobium, the material can achieve higher quality factors, higher temperature operation, and potentially higher acceleratin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad7908cf2f6d58f23d3fa192fd99c940
https://doi.org/10.1088/1742-6596/2420/1/012054

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Akademický článek

High-brilliance, high-flux compact inverse Compton light source

Autor: K. E. Deitrick, G. A. Krafft, B. Terzić, J. R. Delayen

Publikováno v: Physical Review Accelerators and Beams, Vol 21, Iss 8, p 080703 (2018)

The Old Dominion University Compact Light Source (ODU CLS) design concept is presented—a compact Inverse Compton Light Source (ICLS) with flux and brilliance orders of magnitude beyond conventional laboratory-scale sources and greater than other co

Externí odkaz: https://doaj.org/article/edb6693be8144ced915bdf2cc9e4d381

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Akademický článek

Simulation of inverse Compton scattering and its implications on the scattered linewidth

Autor: N. Ranjan, B. Terzić, G. A. Krafft, V. Petrillo, I. Drebot, L. Serafini

Publikováno v: Physical Review Accelerators and Beams, Vol 21, Iss 3, p 030701 (2018)

Rising interest in inverse Compton sources has increased the need for efficient models that properly quantify the behavior of scattered radiation given a set of interaction parameters. The current state-of-the-art simulations rely on Monte Carlo–ba

Externí odkaz: https://doaj.org/article/3eb64dece4164eaea5e4615524ca036e

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