NDLI: Progress on the momentum-rich ion beam concept for ICF

Content Provider	IEEE Xplore Digital Library
Author	Wilson, D.C. Maschke, A.W.
Copyright Year	1990
Description	Author affiliation: Appl. Theor. Phys. Div., Los Alamos Nat. Lab., Los Alamos, NM, USA (Wilson, D.C.) \|\| TRW, Redondo Beach, CA, USA (Maschke, A.W.)
Abstract	In the momentum rich beam (MRB) approach to inertial confinement fusion, ions from a low emittance source are electrostatically accelerated to 30-1000 keV, neutralized, and then propagate first collisionlessly then, at a few cm radius, collisionally to target. Encouraging experimental and theoretical results have changed the MRB approach to inertial fusion since the last $report^{1)}.$ Measurements on a cesium ion source show extremely low divergence beams with transverse beam temperature of only 0.leV, the source thermal temperature. Neutralization adds very little divergence to beam. Using collimated argon and xenon plasma sources accelerated to 50ke V, we found the rms resonant scattering angle proportional to $√I/m_{i}.$ The scattering angle is halved by neutralizing an argon beam with cesium, rather than argon gas. During the collisionless collapse a precursor is formed which can implode the target more adiabatically. Calculations of the collisional collapse show 3/4 or more of the beam thermal energy will be radiated away. Since this energy arose from the compression of initial transverse velocities, higher emittance ion sources can be used. Targets containing DT calculate to ignite and achieve moderate gain (20) with beam energies below lMJ. DD targets also calculate to burn at similar beam energies, avoiding the need for tritium breeding in a reactor.
Starting Page	801
Ending Page	807
File Size	992142
Page Count	7
File Format	PDF
ISBN	9789810205454
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-07-02
Publisher Place	Russia
Access Restriction	Subscribed
Rights Holder	World Scientific
Subject Keyword	Temperature measurement Particle beams Xenon Laser beams Argon Acceleration Plasma temperature
Content Type	Text
Resource Type	Article

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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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