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MOOCB2 |
Modeling Underdense Plasma Photocathode Experiments |
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- D.L. Bruhwiler
CIPS, Boulder, Colorado, USA
- G. Andonian, J.B. Rosenzweig, Y. Xi
UCLA, Los Angeles, USA
- G. Andonian
RadiaBeam, Santa Monica, USA
- E. Cormier-Michel
Tech-X, Boulder, Colorado, USA
- B. Hidding
Uni HH, Hamburg, Germany
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Funding: Work supported by DOE under Contract Nos. DE-SC0009533, DE-FG02-07ER46272 and DE-FG03-92ER40693, and by ONR under Contract No. N00014-06-1-0925. NERSC computing resources are supported by DOE.
The underdense plasma photocathode concept (aka Trojan horse) *,** is a promising approach to achieving fs-scale electron bunches with pC-scale charge and transverse normalized emittance below 0.01 mm-mrad, yielding peak currents of order 100 A and beam brightness as high as 1019 A/(m rad)2, for a wide range of achievable beam energies up to 10 GeV. A proof-of-principle experiment will be conducted at the FACET user facility in early 2014. We present 2D and 3D simulations with physical parameters relevant to the planned experiment.
* Hidding et al., PRL 108:035001 (2012).
** Xi et al., PRST-AB 16:031303 (2013).
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Slides MOOCB2 [3.913 MB]
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| TUPSM27 |
High-power Tests and Initial Electron Beam Measurements of the New High-gradient Normal Conducting RF Photoinjector System for the Sincrotrone Trieste |
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- L. Faillace, R.B. Agustsson, H. Badakov, P. Frigola, A. Verma
RadiaBeam, Santa Monica, USA
- F. Cianciosi, P. Craievich, M. Trovò
Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
- A. Fukasawa, J.B. Rosenzweig, A. Yakub
UCLA, Los Angeles, USA
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Radiabeam Technologies, in collaboration with UCLA, presents the development of a high gradient normal conducting radio frequency (NCRF) 1.6 cell photoinjector system, termed the Fermi Gun II, for the Sincrotrone Trieste (ST) facility. Designed to operate with a 120MV/m accelerating gradient, this single feed, fat lipped racetrack coupler design is modeled after the LCLS photoinjector with a novel demountable cathode which permits cost effective cathode exchange. Full overview of the project to date, installation, high-power RF conditioning and initial electron beam emittance measurements at Sincrotrone Trieste will be discussed along with basic design, engineering and manufacturing.
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