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AbstractAbstract
[en] The Cornell superconducting solenoid, cryogenic electron beam ion source CEBIS II has been rebuilt around a commercial 3 Tesla superconducting solenoid manufactured by Nicolet Instrument Corporation of Madison, WI. This solenoid has very low cryogen consumption which allows us to operate it continuously in the persistent current mode. Preliminary test with a 4.5 kV, 0.08 A electron beam show 100% transmission from cathode through the main magnetic field at 3 Tesla. The source is ready for gas and ion injection tests and experiments. An external sputter PIG ion source capable of supplying singly charged ions of elements other than noble gases has been tested, and several microampere beams of aluminum and lead ions have been produced. A Wien filter and an ion beam line with focusing optics have been designed and built and are in the process of being tested. A number of experiments utilizing our smaller, conventional solenoid EBIS, CEBIS I are in progress. These include the study of ion heating in an EBIS, a study of photon emissions from highly charged ions impinging on metal surfaces and the investigation of one and several electron capture via small angle scattering of highly charged projectiles from helium at 0.1 to 0.5 keV/amu. 2 refs., 10 figs
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1 Mar 1989; 22 p; Available from NTIS, PC A03/MF A01 - OSTI; 1 as DE89008727; Portions of this document are illegible in microfiche products.
Record Type
Report
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Progress Report
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