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Acta Physica Hungarica

, Volume 75, Issue 1–4, pp 61–69 | Cite as

Intense sources for positron research

  • W. Triftshäuser
Condensed Matter
  • 21 Downloads

Abstract

Positron annihilation is a well-established method in solid state physics and material science. The positron being a very sensitive probe, can give very precise information on the momentum distribution of electrons in metals and alloys as well as on lattice defects in crystals. Starting with the energy distribution of positrons from a radioactive decay, the current development is directed more to monoenergetic positrons of variable energy and of high intensity. The impact of intense positron beams is straightforward: a decrease of the counting time. There are various possibilities and approaches to realize intense positron beams. The aim is to obtain a beam intensity in the order of ∼ 1010 positrons/s. Parallel to the instalment of intense positron beams, the development of positron microscopes is pursued.

Keywords

Pair Production Positron Annihilation Positron Lifetime Material Seienee Positron Beam 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Akadémiai Kiadó 1994

Authors and Affiliations

  • W. Triftshäuser
    • 1
  1. 1.Institut für Nukleare FestkörperphysikUniversität der Bundeswehr MünchenNeubibergGermany

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