NDLI: Dynamic Z-pinches for high-gradient, high-current acceleration

Content Provider	IEEE Xplore Digital Library
Author	Tang, V. Schmidt, A. Ellsworth, J. Falabella, S. Rusnak, B. Guethlein, G. Hawkins, S. Welch, D.
Copyright Year	2013
Abstract	We present first experimental results on ion beam injection along the z-axis of a Z-pinch plasma with MV/cm gradients and the first fully kinetic simulations of such beam-plasma systems. Multi-MeV, kilo-Ampere ion beams have been produced by 100 kJ class, centimeter scale, Dense Plasma Focus (DPF) Z-pinches. We have now demonstrated > 50 MV/m acceleration gradients in an 800J DPF using a fast capacitive $driver^{1}.$ Understanding the mechanisms behind these high gradients is essential for optimizing the device for unique compact accelerator applications. We employ an RFQ accelerator to produce a 4 MeV deuteron beam to probe the DPF plasma. Using this beam we seek to directly measure the gradients and demonstrate acceleration of an injected ion beam for the first time. Our fully kinetic, particle-in-cell simulations have reproduced observed DPF ion $beams^{2}.$ Direct comparisons between the experiment and simulations enhance our understanding of these plasmas and provide predictive design capability. These are the first steps to enabling a technologically simple, compact, high-current, plasma-based accelerator.
Starting Page	1
Ending Page	1
File Size	96085
Page Count	1
File Format	PDF
ISBN	9781467351713
ISSN	07309244
DOI	10.1109/PLASMA.2013.6634886
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasmas Acceleration Laboratories Ion beams Kinetic theory Probes
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Lower bounds for the kinetic energy and resistance of z-pinches on Z

Dense plasma focus Z-pinches for high gradient particle acceleration

Kinetic ion simulations of wire loaded Z-pinches in the (R,theta) plane

Z pinch implosions in the kinetic ion regime

Electron beams and x-ray emission of conical wire array Z-pinches

Resistive heating in Z-pinches

Electromagnetic kinetic simulations of a deuterium gas puff z-pinch

Velocity control of ion beams in induction accelerators

Hard X-rays and high-current electron beams from X-pinches

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