A fast faraday cup for the neutralized drift compression experiment

A. B. Sefkow, R. C. Davidson, P. C. Efthimion, E. P. Gilson, S. S. Yu, P. K. Roy, S. Eylon, F. M. Bieniosek, E. Henestroza, J. W. Kwan, J. E. Coleman, W. L. Waldron, W. G. Greenway, D. L. Vanecek, D. R. Welch

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Heavy ion drivers for high energy density physics applications and inertial fusion energy use space-charge-dominated beams which require longitudinal bunch compression in order to achieve sufficiently high beam intensity at the target. The Neutralized Drift Compression Experiment-1A (NDCX-1A) at Lawrence Berkeley National Laboratory (LBNL) is used to determine the effective limits of neutralized drift compression. NDCX-1A investigates the physics of longitudinal drift compression of an intense ion beam, achieved by imposing an initial velocity tilt on the drifting beam and neutralizing the beam's space-charge with background plasma. Accurately measuring the longitudinal compression of the beam pulse with high resolution is critical for NDCX-1A, and an understanding of the accessible parameter space is modeled using the LSP particle-in-cell (PIC) code. The design and preliminary experimental results for an ion beam probe which measures the total beam current at the focal plane as a function of time are summarized.

Original languageEnglish (US)
Title of host publicationProceedings of the Particle Accelerator Conference, PAC 2005
Pages3765-3767
Number of pages3
DOIs
StatePublished - 2005
EventParticle Accelerator Conference, PAC 2005 - Knoxville, TN, United States
Duration: May 16 2005May 20 2005

Publication series

NameProceedings of the IEEE Particle Accelerator Conference
Volume2005

Conference

ConferenceParticle Accelerator Conference, PAC 2005
Country/TerritoryUnited States
CityKnoxville, TN
Period5/16/055/20/05

All Science Journal Classification (ASJC) codes

  • General Engineering

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