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Nuclear track detectors : design, methods and applications /
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
Nova Science Publishers,
©2010.
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| Colección: | Electrical engineering developments series.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- NUCLEAR TRACK DETECTORS:DESIGN, METHODS AND APPLICATIONS; ELECTRICAL ENGINEERINGDEVELOPMENTS SERIES; CONTENTS; PREFACE; METHODS USING CR-39 PLASTIC NUCLEAR TRACKDETECTORS IN RADIATION RESEARCH; ABSTRACT; 1. INTRODUCTION; 2. CR-39 PLASTIC NUCLEAR TRACK DETECTORS (PNTDS); 2.1. Nuclear Track Detectors; 2.2. Energy Loss Models of Charged Particles; 2.2.1. Ionisation and excitation; 2.2.2. Bremsstrahlung and Cherenkov radiation; 2.2.3. Nuclear interactions; 2.3. Energy Loss Models for Track Formation; 2.3.1 The total ionization energy model; 2.3.2. The primary ionization model.
- 2.3.3. The restricted energy loss (REL) model2.4. Track Formation in Solid State Nuclear Track Detectors; 2.5. Physical Principles of Radiation Measurement Using CR-39 Detectors; 2.5.1. Operation principles of CR-39 detectors; 2.5.2. Two different approaches to detect charged particles; 2.6. Experimental Procedures for Radiation Research Using CR-39 Detectors; 2.7. Track Etching Mechanisms and Geometry; 2.7.1. Preferential etching along the particle passage; 2.7.2. Etching mechanisms and geometry; A. Normal incidence; B. Incidence at an angle; C. Cone pairs.
- 2.7.3. Several useful relationshipsA. Etch rate ratio and cone angle; B. Etch rate ratio and ellipse major and minor axes; 2.8. Data recognition and Acquisition by Manual Scan; 3. LET SPECTRUM METHOD USING CR-39 DETECTORS; 3.1. Quantifying the Radiation Hazard; 3.2. LET Spectrum Generation; 3.2.1. Differential and Integral LET Spectrum; 3.2.2. Concept of ecut and its determination; 3.2.3. Dose and dose equivalent; 3.3. LET Calibration for CR-39 Detectors; 3.3.1. Method and approach of LET calibration for CR-39 detectors.
- 3.3.2. LET calibration for CR-39 detectors in different oxygen environments3.3.3. Results of CR-39 LET calibration; 3.3.4. Comparison of LET calibrations for CR-39 PNTDs; 4. CHARGE SPECTRUM METHOD USING CR-39 DETECTORS; 4.1. Principles of Charge Spectrum Method; 4.1.1. Particle identification by etch rate and range; 4.1.2. Particle identification by etch rate gradient; 4.2. Charge calibration for CR-39 detectors; 4.3. Data Scan and Acquisition; 5. SENSITIVITY FADING OF CR-39 DETECTORS AND CORRECTION; 5.1. Sensitivity Fading of CR-39 Detectors with Long-Term Exposure.
- 5.2. Experimental Method to Determine Fading Correction Formula5.2.1. Exposures of CR-39 detectors in space; 5.2.2. Data scan and analysis; 5.2.3. Sensitivity fading of CR-39 detectors during long time exposures; 5.2.4. Correction method for the fading of CR-39 sensitivity; 5.2.5. Charge identification for the selected test GCR events; 5.3. Fading Correction Formula and Application; 5.3.1. Fading correction formula; 5.3.2. Comparison of radiation results measured with TEPC and CR-39 PNTDs; 5.4. Conclusion; 6. RADIATION MEASURED WITH CR-39 DETECTORS AT AVIATIONALTITUDES.