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SUMMARY:Identification of isotopes using time differential\, event-by-even
 t gamma spectroscopy
DTSTART;VALUE=DATE-TIME:20110714T150000Z
DTEND;VALUE=DATE-TIME:20110714T170000Z
DTSTAMP;VALUE=DATE-TIME:20260714T153031Z
UID:indico-contribution-5252@events.saip.org.za
DESCRIPTION:Speakers: Martin Cook (University of Johannesburg)\nIn the con
 text of activation studies\, in order to uniquely identify an isotope via 
 gamma spectroscopy\, both the lifetime and the energy of the emitted gamma
  rays are required. Traditional detectors collect only integral data\, los
 ing information about the timing of individual events. This makes lifetime
  analysis a manually intensive task\, as data points must be obtained by c
 ycling the target in front of the detectors for well defined times at well
  defined intervals. Lifetime accuracy is limited by the manual details of 
 this cycling procedure. \n\nA gamma spectroscopy system based on event-by-
 event acquisition implemented on the VME standard offers the advantage of 
 recording time-stamped energy data for each event. The system described is
  capable of both coincident and single photon detection - enabling in addi
 tion the identification of PET isotopes amongst the other nuclides. The da
 ta can then be analyzed offline in a time differential manner\, to provide
  both the gamma-line energy and lifetime. If necessary\, the lifetime anal
 ysis can accommodate correlated and uncorrelated multiple lifetimes. One d
 etection run will therefore yield complete information about both the ener
 gies and lifetimes of all isotopes present\, allowing for unique isotope i
 dentification.\n\nThis poster outlines this technique\, then goes on to sh
 ow results from its application to the study of isotopes excited when an e
 lectron beam is incident on high Z targets. These experiments were conduct
 ed in the context of obtaining activation data for a diamond sorting techn
 ique based on positron emission tomography.\n\nhttps://events.saip.org.za/
 event/7/contributions/5252/
LOCATION: Asteria
URL:https://events.saip.org.za/event/7/contributions/5252/
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