Spallation neutron source saddle antenna H− ion source project

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 2010 English Publisher:AIP PublishingJournal:Review of Scientific Instruments, volume 81 (issn: 0034-6748, eissn: 1089-7623,

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Authors: Vadim, Dudnikov; Rolland P, Johnson; Galina, Dudnikova; Martin, Stockli; Robert, Welton;

doi: 10.1063/1.3277183

pmid: 20192379

Spallation neutron source saddle antenna H− ion source project

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Abstract

In this project we are developing an H− source which will synthesize the most important developments in the field of negative ion sources to provide high current, high brightness, good lifetime, high reliability, and high power efficiency. We describe two planned modifications to the present spallation neutron source external antenna source in order to increase the plasma density near the output aperture: (1) replacing the present 2 MHz plasma-forming solenoid antenna with a 13 MHz saddle-type antenna and (2) replacing the permanent multicusp magnetic system with a weaker electromagnet.

Related Organizations

University of Maryland, College Park
United States
Oak Ridge National Laboratory
United States

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