Study and analysis of the energy peaks positions effects on the resolution in the context of Gamma-ray spectroscopy using scintillator detectors
General Information:
Master’s |
Level |
Study and analysis of the energy peaks positions effects on the resolution in the context of Gamma-ray spectroscopy using scintillator detectors |
Title |
PHYSIQUE DES RAYONNEMENTS |
Specialty |
Cover Page:
Outline:
CONTENTS
GENERAL INTRODUCTION
Chapter I: Photon-Matter Interaction
I.1. Introduction
I.2.Photons
I.2.1. Definition
I.2.2. Production mechanisms of Gamma Radiation
a. Gamma Rays Following Beta Decay
b. Annihilation Radiation
c. Gamma Rays Following Nuclear Reactions
I.3. Photon interaction with matter
I. 3. 1 Photoelectric absorption
I. 3. 2. Compton scattering
I. 3. 3. Pair production
I. 4. The relative importance of the three major gamma interactions
I.5.Conclusion.
Chapter II: Scintillation Detector
II.1. Introduction
II. 2. Detection
II. 2 .1. Different types of radiation detectors
II. 2. 2. Fundamental Characteristics of Radiation Detectors
a. Energy resolution
b. Efficiency
c. Dead time
d. Background noise
II. 2. 3. Scintillation detectors
a. History and definition
b. Different types of scintillators
c. Structure of scintillation detector
II .3. Gamma-Ray Spectrometry Using Scintillation Detectors
II .3.1. Detector.
II .3. 2. The associated electronics
II.4. Conclusion
Chapter III: The non-proportionality in the light yield of inorganic scintillators
III.1. Introduction
III. 2. Energy resolution of a scintillation detector and factors influencing the energy resolution
III.3. No proportionality of inorganic scintillators response.
III. 4. Theory CONTENTS
III.4.1. Electron-Hole Response
III. 4. 2. Excitonic State Processes
III. 4. 3. The influence of light collection time on the energy resolution
III.5. Conclusion
Chapter IV: Experimental Part
IV. 1. Introduction
IV. 2. Used equipments and working principles (Spectroscopic chain)
IV. 3. Conduct of experiments
IV.4. Influence of the photon’s energy on the full absorption peak broadening
IV.4.1. Calculation of the Energy Resolution (R)
IV.4.2. Results and discussion
IV. 6. Influence of light collection time on the energy resolution
IV.6.1. Shaping time
IV.6.2. The variation of the resolution energy as a function of shaping time
IV.6.3. Results and discussion
IV.7. Conclusion
GENERAL CONCLUSION
