Distortion of the Positron Lifetime Spectra in BaF2 Spectrometers |
| T. Goworek, W. Górniak and J. Wawryszczuk Institute of Physics, Marie Curie-Skłodowska University, pl. M. Curie-Skłodowskiej 1, 20-031 Lublin, Poland |
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| High efficiency of BaF2 scintillators creates the risk of distortion of the positron lifetime distributions due to summing and backscattering. In the 180° geometry it leads to the appearance of a spurious shortlived component. |
| DOI: 10.12693/APhysPolA.83.307 PACS numbers: 06.50.Dc, 07.85.+n |