Actions for Microwave Ion Source and Beam Injection for an Accelerator-drivenNeutron Source [electronic resource].

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Microwave Ion Source and Beam Injection for an Accelerator-drivenNeutron Source [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2007.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
United States. Department of Energy and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
An over-dense microwave driven ion source capable ofproducing deuterium (or hydrogen) beams at 100-200 mA/cm2 and with atomicfraction>90 percent was designed and tested with an electrostaticlow energy beam transport section (LEBT). This ion source wasincorporatedinto the design of an Accelerator Driven Neutron Source(ADNS). The other key components in the ADNS include a 6 MeV RFQaccelerator, a beam bending and scanning system, and a deuterium gastarget. In this design a 40 mA D+ beam is produced from a 6 mm diameteraperture using a 60 kV extraction voltage. The LEBT section consists of 5electrodes arranged to form 2 Einzel lenses that focus the beam into theRFQ entrance. To create the ECR condition, 2 induction coils are used tocreate ~; 875 Gauss on axis inside the source chamber. To prevent HVbreakdown in the LEBT a magnetic field clamp is necessary to minimize thefield in this region. Matching of the microwave power from the waveguideto the plasma is done by an autotuner. We observed significantimprovement of the beam quality after installing a boron nitride linerinside the ion source. The measured emittance data are compared withPBGUNS simulations.
Report Numbers
E 1.99:lbnl--62514
lbnl--62514
Other Subject(s)
Note
Published through SciTech Connect.
02/15/2007.
"lbnl--62514"
": 600301010"
22nd Partical Accelerator Conference 2007.PAC'07, Albuquerque, NM, June 25th - 29th, 2007.
Gough, R.; Wells, R.; Kwan, J.W.; Hoff, M.; Ludewigt,B.A.; Wallig, J.G.; Regis, M.J.; Vainionpaa, J.H.
Ernest Orlando Lawrence Berkeley NationalLaboratory, Berkeley, CA (US)
Funding Information
DE-AC02-05CH11231
Z2IS29
View MARC record | catkey: 14738429