Spectrometry in Dosimetry

Garant předmětu:

Tomáš Čechák

Lecturer:

Pavel Novotný

Tutor:

Supervisor:

Department of Dosimetry and Application of Ionizing Radiation

Synopsis:

The course deals with methods and applications of ionizing radiation (i.e. photons, charged particles and neutrons) spectrometry. The most important types of detectors, individual components of the electronic system used in spectrometry as well as spectra analysis procedures are discussed in detail.

Requirements:

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Syllabus of lectures:

1. Ionizing radiation sources, radioactive decay types, decay schemes, interaction of radiation with matter

2. General properties of spectrometric systems, predicted response functions, shielding

3. Mechanism of scintillation, materials suitable for gamma spectrometry, photomultiplier

4. Semiconductor detectors, PN and PIN structure, Si(Li) and HPGe type detectors, cooling

5. Electronic system for spectrometry, preamplifier, amplifier, multichannel analyser

6. Spectra analysis, peak location, peak area measurement, deconvolution, spectrum stripping

7. Energy and efficiency calibration, calibration standards, mathematical methods of efficiency calibration

8. Limits of detection, critical limit, detection limit, minimum detectable activity

9. Corrections in spectrometry, radioactive decay, self-absorption, true and random coincidence summing

10. Alpha and beta radiation spectrometry, magnetic spectrometers, routine methods

11. Neutron spectrometry, recoil nuclei method

12. Neutron spectrometry, Bonner spheres, activation detectors

13. Applications of spectrometric systems

Syllabus of tutorials:

Study Objective:

Knowledge:

Knowledge about properties and parameters of spectrometric systems (alpha radiation, beta radiation, gamma and X radiation).

Abilities:

Using computational techniques for analyzing spectra, optimization of calibration methodologies, a meaningful analysis of spectra and identification of peaks in the spectra.

Study materials:

Key references:

[1] Gilmore, G., Practical Gamma-ray Spectrometry, 2nd ed., Hoboken, John Wiley eBook, 2011

[2] Knoll G.F., Radiation Detection and Measurement, 4th Edition, Wiley, 2012

Recommended references:

[3] Ahmed, S. N., Physics and engineering of radiation detection, 2nd ed., Amsterdam, Elsevier, 2015

Note:

Time-table for winter semester 2024/2025:

Time-table is not available yet

Time-table for summer semester 2024/2025:

Time-table is not available yet

The course is a part of the following study plans:

• Jaderné inženýrství - Aplikovaná fyzika ionizujícího záření (PS)
• Radiolgická fyzika (elective course)
• Vyřazování jaderných zařízení z provozu (elective course)