학술논문
Plasma wakefield acceleration utilizing multiple election bunches
Document Type
Conference
Author
Source
2007 IEEE Particle Accelerator Conference (PAC) Particle Accelerator Conference, 2007. PAC. IEEE. :3070-3072 Jun, 2007
Subject
Language
ISSN
1944-4680
2152-9582
2152-9582
Abstract
We investigate various plasma wakefield accelerator schemes that rely on multiple electron bunches to drive a large amplitude plasma wave, which are followed by a witness bunch at a phase where it will sample the high acceleration gradient and gain energy. Experimental verifications of various two bunch schemes are available in the literature; here we provide analytical calculations and numerical simulations of the wakefield dependency and the transformer ratio when M drive bunches and one witness bunch are fed into a high density plasma, where M is between 2 and 10. This is a favorable setup since the bunches can be adjusted such that the transformer ratio and the efficiency of the accelerator are enhanced compared to single bunch schemes. The possibility of a five bunch ILC afterburner to accelerate a witness bunch from 100 GeV to 500 GeV is also examined.