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|a fre
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|9 626660
|a Sekkal, Abd-el-Djalil
|e Author
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| 245 |
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|a Etude de la Réponse d’un Détecteur à Semi-Conducteur Germanium Hyper Pure:
|b Application à la Spectrométrie des Rayons Gamma
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| 260 |
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|a ورقلة
|c 2018
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| 300 |
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|a 1 - 68
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| 336 |
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|a رسائل جامعية
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| 502 |
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|b رسالة ماجستير
|c جامعة قاصدي مرباح - ورقلة
|f كلية الرياضيات وعلوم المادة
|g الجزائر
|o 0399
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| 520 |
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|a To achieve our objective, which is the study of the response of a hyper-pure germanium semiconductor detector. And its application to gamma-ray spectrometry, it is imperative to measure and control certain parameters of the detection system. We did the previous experiments and we arrived at the following results: -The resolution increases according to the energy for the same distance. But does not vary according to the distance for the same energy. -The influence of energy on the detection efficiency. It decreased by a factor of about 8 as a function of energy for the same distance and by a factor of about 15 with respect to the same energy and as a function of distance. The detection efficiency is even greater when the energy is low and the distance is low. -The different responses of the detector’s efficiency for a given energy according to the distance showed an exponential decay. It decreases according to the energy. The probability of interaction of gammas with the germanium crystal has a great influence. -The dead time decreases with distance. It decreased by 14 for a distance of 0 cm to 4 for a distance of 10 cm. So, the effect of the detector’s response to distance is a very sensitive parameter. It will be necessary to proceed to a correction of the count by a factor taking into account the dead time. The more energy increases the less events are produced in the crystal.
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|a الموصلات الكهربائية
|a النشاط الاشعاعي
|a المستشعر الإلكتروني
|a الطاقة الكهروضوئية
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| 700 |
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|9 626664
|a Bentouila, O.
|e Advisor
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| 700 |
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|9 626665
|a Belamri, M.
|e Advisor
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| 856 |
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|u 9815-058-004-0399-T.pdf
|y صفحة العنوان
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| 856 |
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|u 9815-058-004-0399-A.pdf
|y المستخلص
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| 856 |
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|u 9815-058-004-0399-C.pdf
|y قائمة المحتويات
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| 856 |
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|u 9815-058-004-0399-F.pdf
|y 24 صفحة الأولى
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| 856 |
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|u 9815-058-004-0399-1.pdf
|y 1 الفصل
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| 856 |
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|u 9815-058-004-0399-2.pdf
|y 2 الفصل
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| 856 |
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|u 9815-058-004-0399-3.pdf
|y 3 الفصل
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| 856 |
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|u 9815-058-004-0399-4.pdf
|y 4 الفصل
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| 856 |
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|u 9815-058-004-0399-5.pdf
|y 5 الفصل
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| 856 |
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|u 9815-058-004-0399-O.pdf
|y الخاتمة
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| 856 |
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|u 9815-058-004-0399-R.pdf
|y المصادر والمراجع
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| 930 |
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|d y
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| 995 |
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|a Dissertations
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| 999 |
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|c 1169373
|d 1169373
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