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Lifetime of Positrons in Superconducting Lead and Tin

Lifetime of Positrons in Superconducting Lead and Tin The mean life of positrons was measured in superconducting lead and tin. Consistent results were obtained with the lead sample giving an average value for the mean life of (0.57±0.07)× 10 - 9 sec. A null result was obtained with tin; the measured value of the lifetime was (0.15±0.09)× 10 - 9 sec, as compared with the room temperature value of 0.15× 10 - 9 sec. The data indicate that the lifetime change in lead is a superconductive phenomenon and not due simply to the low temperature of the sample. Conjectures are made to explain the different results obtained with lead and tin. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review American Physical Society (APS)

Lifetime of Positrons in Superconducting Lead and Tin

Physical Review , Volume 96 (4) – Nov 15, 1954
4 pages

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1954 The American Physical Society
ISSN
1536-6065
DOI
10.1103/PhysRev.96.904
Publisher site
See Article on Publisher Site

Abstract

The mean life of positrons was measured in superconducting lead and tin. Consistent results were obtained with the lead sample giving an average value for the mean life of (0.57±0.07)× 10 - 9 sec. A null result was obtained with tin; the measured value of the lifetime was (0.15±0.09)× 10 - 9 sec, as compared with the room temperature value of 0.15× 10 - 9 sec. The data indicate that the lifetime change in lead is a superconductive phenomenon and not due simply to the low temperature of the sample. Conjectures are made to explain the different results obtained with lead and tin.

Journal

Physical ReviewAmerican Physical Society (APS)

Published: Nov 15, 1954

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