Particle dynamics and its consequences in wakefield acceleration in a high energy collider
- Univ. of Texas, Austin, TX (United States)
- National Lab. for High Energy Physics, Tsukuba, Ibaraki (Japan)
The performance of a wakefield accelerator in a high energy collider application is analyzed by use of a nonlinear dynamics map built on a simple theoretical model of the wakefield generated by the laser pulse (or whatever other method) and a code based on this map. The crucial figures of merit for such a system other than the final energy include the emittance (that determines the luminosity). The more complex the system is, the more opportunities the system has to degrade the emittance (or entropy of the beam). This the map guides one to identify where the crucial elements lie that affect the emittance. If the focusing force of the wakefield is strong when there is a jitter in the position (or laser aiming) of each stage coupled with the spread in the individual particle betatron frequencies, particles experience a phase space mixing. This effect sensitively controls the emittance degradation. They investigate these effects both in a uniform plasma and in a plasma channel. They also study the effect of beam loading. Further, they briefly consider collision point physics issues for a collider expected or characteristic of such a construction based on a scenario for the multi-staged wakefield accelerators.
- Research Organization:
- Univ. of Texas, Inst. for Fusion Studies, TX (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research, Washington, DC (United States)
- DOE Contract Number:
- FG03-96ER54346
- OSTI ID:
- 674815
- Report Number(s):
- DOE/ER/54346-842; ON: DE99000297; TRN: 99:000932
- Resource Relation:
- Other Information: PBD: Sep 1998
- Country of Publication:
- United States
- Language:
- English
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