The intense slow positron source concept: A theoretical perspective on a proposed INEL facility

Conference · Wed Jun 15 00:00:00 EDT 1994 · AIP Conference Proceedings (American Institute of Physics); (United States)

OSTI ID:7161782

Makowitz, H; Abrashoff, J D; Landman, W H; Albano, R K ^[1]; Tajima, T ^[2]; Larson, J D ^[3]

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1. Idaho National Engineering Laboratory, EG G Idaho, Inc., Idaho Falls, Idaho 83415 (United States)
2. Physics Department, University of Texas at Austin, Austin, Texas 78712 (United States)
3. Independence, Missouri 64052 (United States)

An analysis has been performed of the INEL Intense Slow Positron Source (ISPS) concept. The results of the theoretical study are encouraging. A full-scale device with a monoenergetic 5 keV positron beam of [ge]10[sup 12] e[sup +]/s on a [le]0.03-cm-diameter target appears feasible and can be obtained within the existing infrastructure of INEL reactor facilities. A 30.0-cm-diameter, large area source dish, moderated at first with thin crystalline W films and later by solid Ne, is proposed as the initial device in order to explore problems with a facility scale system. A demonstration scale beam at [ge]10[sup 10] slow e[sup +]/s is proposed using a [sup 58]Co source plated on a 6-cm-diameter source dish insert, placed in a 30-cm adaptor.

• DOE Contract Number: AC07-76ID01570
• OSTI ID: 7161782
• Report Number(s): CONF-920829-; CODEN: APCPCS; TRN: 94-014215
• Journal Information: AIP Conference Proceedings (American Institute of Physics); (United States), Vol. 303:1; Conference: 5. international workshop on slow-positron beam techniques for solids and surfaces, Jackson, WY (United States), 6-10 Aug 1992; ISSN 0094-243X
• Country of Publication: United States
• Language: English

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