Quasi-Positronium in Polyethylene Terephthalate - Temperature and Magnetic Quenching Effects

G. Consolati, F. Quasso
1993 Acta Physica Polonica. A  
The features of the positron-electron bound system (quasi-positronium, qPs) in the semicrystalline polymer polyethylene terephthalate (mylar) are obtained while studying the dependence of the ortho-qPs lifetime on temperature in the range of 25-105°C, in the presence as well as in the absence of magnetic fields. In particular, the "anomalous" effect, previously discovered by Bisi et ał. at room temperature, is maintained at higher temperature.
doi:10.12693/aphyspola.83.273 fatcat:mamp3bb4vvd77nd3wqecdulmgy