Presenter Information

J G. Byrne, University of Utah

Location

Thousand Oaks, CA

Start Date

1975 12:00 AM

Description

The existence of the positron was verified more than 40 years ago by Anderson but only in the 1950's was much attention given to its usefulness in terms of understanding the electronic structure of solids. As more workers became involved in the 1950's and 1960's work began to appear on metals, gasses and insulators and it was realized that positrons were sensitive to lattice defects. This realization has caused a new burst of interest in experimental and theoretical work using the positron as a probe for defects. Advantages of the positron technique are that it is nondestructive, very fast (106 counts in about 10 minutes), and highly sensitive to very low defect concentrations.

Book Title

Proceedings of the ARPA/AFML Review of Quantitative NDE

Chapter

9. Emissions for NDE Applications

Pages

695-718

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

The Current Status of Nondestructive Testing with Positron Annihilation

Thousand Oaks, CA

The existence of the positron was verified more than 40 years ago by Anderson but only in the 1950's was much attention given to its usefulness in terms of understanding the electronic structure of solids. As more workers became involved in the 1950's and 1960's work began to appear on metals, gasses and insulators and it was realized that positrons were sensitive to lattice defects. This realization has caused a new burst of interest in experimental and theoretical work using the positron as a probe for defects. Advantages of the positron technique are that it is nondestructive, very fast (106 counts in about 10 minutes), and highly sensitive to very low defect concentrations.