Abstract
This study aims to test energy resolution of the nuclear track detector LR-115 to distinguish the various energies of alpha particles (1-4MeV)that were obtained from radioactive isotope 241Am.This method is based on the relationship between the energy deposited in the material by ionizing particles and the track developed after a well-established chemical process(NaOH,2.5N,60oC). Solid state nuclear track detectors (SSNTD’s) have been used successfully as detecting devices and as a passive system to detect alpha contamination on different surfaces. The resulted tracks are performed with a digital image analysis system (image processing) associated with a PC mathematical processor and the track diameter distribution fitted by wblfit formula. The mean track diameter (D) for each used energy, its width ΔD at full width at half maximum (FWHM)and energy resolution power (ΔE/E)D were measured for each neighboring energies. The results of energy resolution of LR-115 were compared with results of another nuclear track detectors of similar studies at average energy (3.7 MeV).
Highlights
(1-4MeV) للتمييز بين طاقات جسيمات ألفا ضمن المدىLR-115 اختبار قدرة التحليل الطاقي لكاشف الأثر باستخدام الملاءمة بصيغة ويبل في مجموعة برامج ماتلاب
This work is focused on the procedure for analysis of alpha particles using nuclear track detectors LR-115 which was supplied by Preshore Mouldings, Ltd., UK
To determine the response of the nuclear track detectors, the energies are plotted against the mean value of the respective track diameter
Summary
(1-4MeV) للتمييز بين طاقات جسيمات ألفا ضمن المدىLR-115 اختبار قدرة التحليل الطاقي لكاشف الأثر باستخدام الملاءمة بصيغة ويبل في مجموعة برامج ماتلاب. By making use of the relationship between the etching track parameters and the energy deposited in nuclear track detectors, different alpha particles can be identified (Espinosa and Moreno, 1979), (Ilic et al, 1993). There is a method presents advances in a procedure for alpha particle analysis using the nuclear tracks formed in solid-state materials.
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