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Intense slow positron production at the 15 MeV LINAC at Argonne National Laboratory

Authors:	HM Chen CD Jonah AF Wagner AW Hunt

Institution:	^a Department of Chemistry, University of Missouri-Kansas City, 5009 Rockhill Rd., Kansas City, MO 64110, USA ^b Chemistry Division, Argonne National Labs, Argonne, IL 60439, USA ^c Department of Chemistry, Marquette University, Milwaukee, WI 53233, USA ^d Idaho Accelerator Center, Idaho State University, Pocatello, ID 83209-8263, USA

Abstract:	An intense slow positron beam using a 15 MeV LINAC (average current 1.25 × 10¹⁵ e⁻/s) at the Radiation and Photochemistry Group, Chemistry Division of Argonne National Laboratory (ANL) has been proposed and studied. Computer simulated results optimizing the positron yield and distribution of energy and angle show that a slow positron production at 10¹⁰ e⁺/s is possible. A proposed design of an intense slow positron beam with optimal conditions of incident electron, converter/moderator configurations, and extraction/transportation is presented.

Keywords:	EGS4 Computer simulation Intense slow positron beam LINAC
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