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2008 | 113 | 5 | 1441-1446
Article title

Positron and Positronium Trapping in Heat Treated Zeolites (Ceramics), the Effect of Swift Heavy Ion Irradiation

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EN
Abstracts
EN
A systematic study of zeolite precursor gels, zeolites, and products of their recrystallization to ceramics was carried out in presence of various alkali ions. The investigation of radiation damage induced by high-energy ion beam irradiation with swift heavy ions (Bi ions at 670 MeV energy with 4×10^{12} ion/cm^2 fluence) was also included. The shortening of lifetimes found after irradiation in ceramics might probably be ascribed to interactions of o-Ps with free radicals and other quenching agents created through the ion irradiation. These lifetime-shortening interactions probably partly hide the o-Ps trapping in free volume sites.
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Contributors
author
  • KFKI Res. Inst. for Part. Nucl. Physics, P.O.B. 49, H-1525 Budapest 114, Hungary
author
  • KFKI Res. Inst. for Part. Nucl. Physics, P.O.B. 49, H-1525 Budapest 114, Hungary
author
  • KFKI Res. Inst. for Part. Nucl. Physics, P.O.B. 49, H-1525 Budapest 114, Hungary
author
  • KFKI Res. Inst. for Part. Nucl. Physics, P.O.B. 49, H-1525 Budapest 114, Hungary
author
  • Div. of Mater. Chem., Ruder Boskovic Institute, Bijenicka 54, P.O.B. 180, Zagreb, Croatia
author
  • Div. of Mater. Chem., Ruder Boskovic Institute, Bijenicka 54, P.O.B. 180, Zagreb, Croatia
author
  • Div. of Mater. Chem., Ruder Boskovic Institute, Bijenicka 54, P.O.B. 180, Zagreb, Croatia
author
  • Inst. of Isotopes, HAS, H-1525 Budapest, P.O.B. 77, Hungary
author
  • Flerov Laboratory of Nuclear Reactions, Center of Applied Physics, JINR, Ru-141980 Dubna, Russia
author
  • Dept. of Mater. Physics, Eötvös Univ., Pázmány Péter sétány 1A, H-1117 Budapest, Hungary
author
  • ICEMS, Dept. of Physics, University of Coimbra, 3004-516 Coimbra, Portugal
  • Dep. de Engenharia Química, Inst. Superior de Engenharia, 3031-199 Coimbra, Portugal
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Document Type
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv113n522kz
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