Effect of Thermal Annealing on the Sensitivity of Makrofol-DE Polycarbonate

• Authors: A. Kahraman , A. Poffijn , G. Kaynak
• Languages of publication: EN

Abstracts

EN

Solid state nuclear track detectors have been applied in different studies including nuclear physics, particle physics, archaeology etc. Makrofol, a particular group of thermoplastic polymers, is used for radon detection. High background track numbers in the foils cause big uncertainties for places where the radon concentrations are quite low. Therefore, it is of great importance to lower the background track signal as much as possible, without reducing the sensitivity of the foils. The present study reports track density and sensitivity of Makrofol-DE after thermal annealing. The unexposed foils were heated at temperatures ranging from 110C to 140C for 10 min with the aim of observing changes in the number of background tracks. As a result a reduction in the background track density was observed. In order to observe the change in the sensitivity, pre-heated and unheated foils were exposed to alpha radiation in a radon chamber. At the temperatures of 110, 120, and 130°C, the track density in the heated and unheated exposed foils is quite similar. An increase was observed in the track density in heated exposed foils at 140C.

Keywords

EN

81.40.Ef; 77.84.Jd; 29.40.-n; 87.53.Bn

Discipline

• 81.40.Ef: Cold working, work hardening; annealing, post-deformation annealing, quenching, tempering recovery, and crystallization
• 87.53.Bn: Dosimetry/exposure assessment
• 29.40.-n: Radiation detectors(for mass spectrometers, see 07.75.+h; see also 95.55.Vj Neutrino, muon, pion, and other particle detectors; cosmic ray detectors in astronomy)
• 77.84.Jd: Polymers; organic compounds

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 125
• Issue: 2
• Pages: 271-274

Dates

published

2014-02

Contributors

author

A. Kahraman

• Physics Department, Faculty of Arts and Science, Uludag University, Gorukle Campus, 16059 Gorukle, Bursa, Turkey

author

A. Poffijn

• Department of Subatomic and Radiation Physics, University of Gent, Proeftuinstr. 86, Gent B-9000, Belgium

author

G. Kaynak

• Physics Department, Faculty of Arts and Science, Uludag University, Gorukle Campus, 16059 Gorukle, Bursa, Turkey

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Identifiers

DOI

10.12693/APhysPolA.125.271