A high charge and short pulse RF photocathode gun for wakefield acceleration.
In this paper we present a design report on 1-1/2 cell, L-Band RF photocathode gun which is capable of generating and accelerating electron beams with peak currents> 10 kA. We address several critical issues of high-current RF photoinjectors such as longitudinal space charge effect, and transverse emittance growth. Unlike conventional short electron pulse generation, this design does not require magnetic pulse compression. Based on numerical simulations using SUPERFISH and PARMELA, this design will produce 100 nC beam at 18 MeV with r.m.s. bunch length 1.25 mm and normalized transverse emittance 108 mm mrad. Applications of this source beam for wake-field acceleration are also discussed.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- ER
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 938164
- Report Number(s):
- ANL-HEP-PR-97-76
- Journal Information:
- Nucl. Instrum. Methods Phys. Res. A, Journal Name: Nucl. Instrum. Methods Phys. Res. A Journal Issue: 1998 Vol. 410; ISSN NIMAER; ISSN 0168-9002
- Country of Publication:
- United States
- Language:
- ENGLISH
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Design of a high charge (10-100 nC) and short pulse (2-5 ps) RF photocathode gun for wakefield acceleration
Design of a high charge (10{endash}100 nC) and short pulse (2{endash}5 ps) RF photocathode gun for wakefield acceleration