Longitudinal dynamics of twin electron bunches in the Linac Coherent Light Source

Zhang, Zhen; Ding, Yuantao; Marinelli, Agostino; Huang, Zhirong

doi:10.1103/PhysRevSTAB.18.030702

Title: Longitudinal dynamics of twin electron bunches in the Linac Coherent Light Source

Journal Article · Mon Mar 02 00:00:00 EST 2015 · Physical Review Special Topics. Accelerators and Beams

DOI:https://doi.org/10.1103/PhysRevSTAB.18.030702· OSTI ID:1181464

Zhang, Zhen; Ding, Yuantao; Marinelli, Agostino; Huang, Zhirong

The recent development of two-color x-ray free-electron lasers, as well as the successful demonstration of high-gradient witness bunch acceleration in a plasma, have generated strong interest in electron bunch trains, where two or more electron bunches are generated, accelerated and compressed in the same accelerating bucket. In this paper we give a detailed analysis of a twin-bunch technique in a high-energy linac. This method allows the generation of two electron bunches with high peak current and independent control of time delay and energy separation. We find that the wakefields in the accelerator structures play an important role in the twin-bunch compression, and through analysis show that they can be used to extend the available time delay range. As a result, based on the theoretical model and simulations we propose several methods to achieve larger time delay.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1181464

Alternate ID(s):: OSTI ID: 1168435

Report Number(s):: SLAC-PUB-16196; PRABFM; 030702

Journal Information:: Physical Review Special Topics. Accelerators and Beams, Journal Name: Physical Review Special Topics. Accelerators and Beams Vol. 18 Journal Issue: 3; ISSN 1098-4402

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 16 works

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References (23)

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