Sensitivity of Orthopositronium Annihilation Rates to Density Fluctuations in Ethane Gas
- 5 April 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 48 (14) , 953-956
- https://doi.org/10.1103/physrevlett.48.953
Abstract
Orthopositronium annihilation rates have been measured in ethane gas for densities in the range 1.8 to 286 amagats at 306.4 K. The behavior of the measured annihilation rates at densities up to about 70 amagats can be explained in terms of a simple density fluctuation model. New features are observed at higher densities of ethane at 306.4 K.Keywords
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