Diagnósticos com Feixes de Partículas

Objectives

To provide the theoretical and experimental basis enabling the development of theoretical and experimental work in the area of particle beam diagnostics. The subjects taught cover the theoretical and experimental foundations of ionic and neutral beam production, providing knowledge on ion source and beam extraction models. Experimental study of the operation of various source types. Use of beams as a means of plasma diagnosis and characterization of materials for nuclear fusion experiments.

Syllabus

Introduction to the various types of ionic sources and their applications. Methods of producing ion, neutral and electron sources. Concepts of beam production and acceleration. The Child-Langmuir equation. Models of beam extraction geometries. Working principles of electrostatic accelerators (Van de Graaff and Tandem). Fundamentals of ion beam techniques and their use in materials research and interaction with plasmas. Application of Rutherford retrodispersion spectrometry (RBS), nuclear reactions (NRA) and light ion (H +) retrodispersion spectrometry techniques. Experimental study of fusion plasmas. Analysis of the effects of plasma interaction with the chamber walls of fusion reactors.

Prerequisites

Students should have basic knowledge of: electromagnetism, plasma physics, differential and integral calculus and programming (e.g. C/C++ or MatLab).

Cross Competence Component

Critical thinking through the optimization of the various parameters that allow the experiments to be performed. Innovative thinking through analysis and proposed improvements in experimental beam production and detection systems (10%).

Laboratorial Component

Conducting four experiments (aprox. duration of 4h), comprising the production and optimization of ion and neutral beams and their utilization for plasma and material composition measurements

Programming And Computing Component

Development of signal processing routines. Software use/development for data analysis. Trajectory simulation and reactions codes for interpretation of results. (25%).

Ethical Principles

All members of a group are responsible for the group’s work In any assessment, every student shall honestly disclose any help received and sources used. In an oral assessment, every student shall be able to present and answer questions about the entire assignment and solution.