MERRISON, JP and CHARLTON, M and LARICCHIA, G (1991) A NEW TIMED SLOW POSITRON BEAM. MEAS SCI TECHNOL , 2 (2) 175 - 177.
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A new simple method of producing a timed beam of variable energy positrons has been developed which utilizes secondary electrons liberated by beta+ impact on a positron moderator to generate the timing pick-off. The slow positron flux has been timed with an efficiency greater than 20% and with a signal-to-background level much higher than that encountered in traditional thin plastic scintillator techniques.
|Title:||A NEW TIMED SLOW POSITRON BEAM|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy|
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