Projeto eletromagnético de um pós-acelerador de prótons para tratamento de tumor ocular

• Ano de defesa: 2016
• Autor(a) principal: Luisa de Araújo Rabelo
• Tipo de documento: Tese
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Minas Gerais; UFMG
• Palavras-chave em Português: Prótons; Circular accelerator; Proton therapy; Tecnologia nuclear
• Link de acesso: http://hdl.handle.net/1843/BUBD-ADEPGH

Proton therapy is an effective technique in the treatment and control of cancer, which is not available in most countries. The low number of specialized centers for this type of treatment is because of the high cost of implementing and maintaining the accelerators. This studypresents a model for the Electromagnetic (EM) acceleration of protons to sufficient energies for the treatment of ocular tumors. This is the scientific possibility of a compact technology that uses cyclotrons to produce radioisotopes (present in various countries) as accelerator gunsvia an analytical assessment of the physical parameters of the beam and a simulation of the electromagnetic equipment structures, acceleration, and movement of the proton beam using CST STUDIO® 3D 2015 (Computer Simulation Technology) software. In addition, the geometry required to provide synchronization between the acceleration and beam path was analyzed using the motion equations of the protons. The simulations show a final model that is compact and simplified as compared with the isochronic cyclotron and synchrotron (usedfor proton therapy). The synchronism requirements of a circular accelerator are fulfilled in this model so that in all orbits the beam has the same movement time. The extraction energy of the presented model is sufficient for the treatment of ocular tumors. This is an alternativemethod that could improve the quality of life for patients with ocular tumors in developing countries. Future studies will be conducted to complete the technical design presentation and evaluate the accelerated beams interaction with neoplasic tissues.