Annihilation of positronium in-Siinvestigated by combined angular correlation and lifetime measurements
- 1 December 1996
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 54 (21) , 15051-15055
- https://doi.org/10.1103/physrevb.54.15051
Abstract
By combining angular correlation results of the positron annihilation quanta with lifetime results it is found that a weak but long-lived (599±10 ps) lifetime component can be correlated with the para-positronium peak in angular correlation measurements when taking into account both pickoff annihilation and conversion of positronium. Conversion has not been considered in earlier works.Keywords
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