First Name: E
Middle Name:
Last Name: Courant
Full Name: Courant, E. D.
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4 papers
| title: | High-energy inverse free-electron-laser accelerator |
| format: | unknown |
| year: | 1985 |
| 3 authors: | | | |
| abstract: | The authors study the inverse free-electron-laser (IFEL) accelerator and show that it can accelerate electrons to the few hundred GeV region with average acceleration rates of the order of 200 MeV/m. Several possible accelerating structures are analyzed, and the effect of synchrotron-radiation losses is studied. The longitudinal phase stability of accelerated particles is also analyzed. A Hamiltonian description, which takes into account the dissipative features of the IFEL accelerator, is introduced to study perturbations from the resonant acceleration. Adiabatic invariants are obtained and used to estimate the change of the electron phase-space density during the acceleration process. (22 References). |
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| title: | High-energy inverse free-electron laser accelerator |
| format: | conference procceeding |
| conference: | Summer School on High Energy Particle Accelerators |
| year: | 1985 |
| 3 authors: | | | |
| abstract: | The authors study the inverse free electron laser (IFEL) accelerator and show that it can accelerate electrons to the few hundred GeV region with average acceleration rates of the order of 200 MeV/m. Several possible accelerating structures are analysed, and the effect of synchrotron radiation losses is studied. The longitudinal phase stability of accelerated particles is also analysed. A Hamiltonian description, which takes into account the dissipative features of the IFEL accelerator, is introduced to study perturbations from the resonant acceleration. Adiabatic invariants are obtained and used to estimate the change of the electron phase space density during acceleration process. (22 References). |
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| title: | Enhanced resistive wall instability for off-centred beams |
| format: | conference procceeding |
| conference: | 1979 Particle Accelerator Conference |
| year: | 1979 |
| 4 authors: | | | | |
| abstract: | Beam occupation of a large fraction of the available vacuum chamber typical of high energy proton storage ring designs, results in an enhancement of the resistive wall instability. The effect is considered for ISABELLE during the current stacking procedure. Results for the coasting stack in its initial phase as well as for the injected bunches are presented. (4 References). |
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| title: | Beam amplitude behavior upon crossing a linear coupling resonance with damping in one dimension |
| format: | unknown |
| year: | 1969 |
| 4 authors: | | | | |
| abstract: | A study has been conducted to investigate theoretically the effects of vertical damping on the betatron oscillations for particles passing through a resonance. This report describes a calculation for a single-particle model and for the case of the upsilon /sub 1/+ upsilon /sub 2/=1 resonance. |
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