Author: Vlahovic, B.
Paper Title Page
TUPPD024 HIGH-INTENSITY LOW-ENERGY POSITRON SOURCE AT JEFFERSON LABORATORY 1461
 
  • S. Golge, B. Vlahovic
    NCCU, Durham, USA
  • B. Wojtsekhowski
    JLAB, Newport News, Virginia, USA
 
  We present a novel concept of a low-energy e+ source with projected intensity on the order of 1010 slow e+/s. The key components of this concept are a continuous wave e- beam, a rotating positron-production target, a synchronized raster/anti-raster, a transport channel, and extraction of e+ into a field-free area through a magnetic plug for moderation in a cryogenic solid. Components were designed in the framework of GEANT4-based (G4beamline) Monte Carlo simulation and TOSCA magnetic field calculation codes. Experimental data to demonstrate the effectiveness of the magnetic plug is presented.  
 
TUPPD025 REVIEWOF LOW-ENERGY POSITRON BEAM FACILITIES 1464
 
  • S. Golge, B. Vlahovic
    NCCU, Durham, USA
 
  Positrons are produced by processes such as positive beta decay from radioactive isotopes, in nuclear reactor cores from both in-situ radioisotope radiation and pair production, and by accelerator driven beams hitting a converter target. The purpose of this paper is to review some of the prominent existing low-energy e+ facilities.