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Appl. Sci. 2016, 6(11), 350; doi:10.3390/app6110350

Longitudinal Jitter Analysis of a Linear Accelerator Electron Gun

1
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
2
Centre for High Energy Physics, University of the Punjab, Lahore 45590, Pakistan
*
Author to whom correspondence should be addressed.
Academic Editor: Christoph Peter Hauri
Received: 19 June 2016 / Revised: 24 October 2016 / Accepted: 8 November 2016 / Published: 19 November 2016
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Abstract

We present measurements and analysis of the longitudinal timing jitter of a Beijing Electron Positron Collider (BEPCII) linear accelerator electron gun. We simulated the longitudinal jitter effect of the gun using PARMELA to evaluate beam performance, including: beam profile, average energy, energy spread, and XY emittances. The maximum percentage difference of the beam parameters is calculated to be 100%, 13.27%, 42.24% and 65.01%, 86.81%, respectively. Due to this, the bunching efficiency is reduced to 54%. However, the longitudinal phase difference of the reference particle was 9.89°. The simulation results are in agreement with tests and are helpful to optimize the beam parameters by tuning the trigger timing of the gun during the bunching process. View Full-Text
Keywords: gun trigger timing; longitudinal jitter; beam performance; PARMELA gun trigger timing; longitudinal jitter; beam performance; PARMELA
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Liu, M.; Iqbal, M. Longitudinal Jitter Analysis of a Linear Accelerator Electron Gun. Appl. Sci. 2016, 6, 350.

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