Dosimetria e Proteção das Radiações

Knowledge of physics and mathematics at high school level.

The methodologies used in the theoretical classes are: theoretical exposition of each content, containing a brief historical review and many examples of application; appeal for student participation in classes, exposing their suggestions and doubts, discussing matters with colleagues and with the teacher and encouraging critical analysis and discussion of the results of examples and problems.

Students groups (2 elements) will do a work on program selected topics, which they will present to the class, with the respective analysis and discussion among peers and moderation of the teacher.

The fundamental objective of “Dosimetry and Protection from Radiation” is to provide the theoretical and practical knowledge in the field of ionizing and non-ionizing radiation: its nature, description and quantification; its physical and technological origin; its absorption in different media and isolation; its biological effects; and its operational, public and environmental limits.

Students will acquire skills in:

– Familiarization and understanding of the radiation scientific foundations both for electromagnetic radiation and particles.

– Radioprotection decision taking ability in accordance with national and international regulations.

– Autonomy on updating the scientific knowledge on the biological effects of radiation, within the scope of the effects of radiation on the human body, through the critical analysis of publications in the specialty.

1. Fundamental concepts of Atomic and Nuclear Physics: constituent elements of the atomic nucleus, atomic number and mass number, nuclear stability and radioactivity, historical perspective of radioactivity, law of radioactive decay, activity and half-life, types of radioactive decays most common: alpha, beta, gamma.

2. Radioactive sources: ionizing and non-ionizing radiation, natural radioactivity, artificial radioactivity.

3. Radiation interaction with matter: photons, neutral particles, charged particles.

4. Dosimetry. Units of measurement in radiation dosimetry: exposure, absorbed dose, quality factor, biological effect of absorbed dose.

5. Instrumentation for radiation and dosimetry measurement: gas detectors, scintillation detectors, solid state detectors, individual dosimeters.

6. Radioprotection: operational, public.

1) Evaluation by final exam (E), quoted to 20 values and duration of two hours.

The student gets approval if E≥9.5 values.

2) Evaluation distributed throughout the semester consisting of 3 tests (T1, T2 and T3) and a written work (Tb). Each test has the quotation of 5.00 values and the duration of one hour. The tests, T1, T2 and T3, will focus, respectively, on the contents 1 and 2; 3 and 4; 5 and 6. The work is done by groups of two students and will be classified with 5.00 values.

The student receives approval if (T1 + T2 + T3 + Tb) ≥ 9.5 values.

Although a student has started the distributed evaluation, he can submit to final exam. In this case, the distributed evaluation will not be considered.

3) Evaluation by final exam (E), quoted to 15.00 values, and research work (Tp), quoted for 5.00 values, carried out in groups of two students.

The student receives approval if (E + Tb) ≥ 9.5 values.

NAO