Toward a European Network of Positron Laboratories-Reference-Cited by-同舟云学术

Toward a European Network of Positron Laboratories

Published:2015-12-01 Issue:4 Volume:60 Page:733-739
ISSN:0029-5922
Container-title:Nukleonika
language:en
Short-container-title:

Author:

Karwasz Grzegorz P.¹,Brusa Roberto S.²,Egger Werner³,Ogorodnikova Olga V.⁴

Affiliation:

1. Institute of Physics, Faculty of Physics, Astronomy and Applied Informatics, Nicolaus Copernicus University in Toruń, 5/7 Grudziądzka Str., 87-100 Toruń, Poland

2. Physics Department, University of Trento and TIFPA-INFN, 38123 Povo (TN), via Sommarive 14, Italy

3. Universität der Bundeswehr München, Werner-Heisenberg-Weg 39, 85577 Neubiberg, Germany

4. National Research Nuclear University “MEPHI”, Kashirskoe sh. 31, Moscow, Russia

Abstract

Abstract Some applications of controlled-energy positron beams in material studies are discussed. In porous organic polysilicates, measurements of 3γ annihilation by Doppler broadening (DB) method at the Trento University allowed to trace pore closing and filling by water vapor. In silicon coimplanted by He+ and H+, DB data combined with positron lifetime measurements at the München pulsed positron beam allowed to explain Si blistering. Presently measured samples of W for applications in thermonuclear reactors, irradiated by W+ and electrons, show vast changes of positron lifetimes, indicating complex dynamics of defects.

Publisher

Walter de Gruyter GmbH

Subject

Waste Management and Disposal,Condensed Matter Physics,Safety, Risk, Reliability and Quality,Instrumentation,Nuclear Energy and Engineering,Nuclear and High Energy Physics

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