A pair spectrometer for measuring multipolarities of energetic nuclear transitions

J. Gulyás, T. J. Ketel, A. J. Krasznahorkay, M. Csatlós, L. Csige, Z. Gácsi, M. Hunyadi, A. Krasznahorkay, A. Vitéz, T. G. Tornyi

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14 Citations (Scopus)

Abstract

An electron-positron pair spectrometer has been designed and constructed for the simultaneous measurement of energy- and angular correlations of e+e- pairs. Experimental results are obtained over a wide angular range for high-energy transitions in 16O, 12C and 8Be. The results showed that the angular correlations between 50 and 180° of the e+e- pairs in the energy range between 6 and 18 MeV can be determined with sufficient resolution and efficiency in good agreement with the GEANT simulations.

Original languageEnglish
Pages (from-to)21-28
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume808
DOIs
Publication statusPublished - Feb 1 2016

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Keywords

  • Anomalous angular correlation in Be
  • Electron-positron pair spectrometer
  • Internal pair conversion
  • Multipolarity determination

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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