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Tuning the Operational Parameters of the First Microtron Stage

Grant number: 10/03350-4
Support type:Scholarships in Brazil - Master
Effective date (Start): August 01, 2010
Effective date (End): February 29, 2012
Field of knowledge:Physical Sciences and Mathematics - Physics - Nuclear Physics
Principal researcher:Marcos Nogueira Martins
Grantee:Cristiane Jahnke
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil


The Instituto de Física da Universidade de São Paulo is building a cascade racetrack microtron to produce a c.w. electron beam with energies from 5 to 38 MeV.In the present status of the project, the linac injector is working and producing a stable 1.8 MeV electron beam, which must be injected inthe first microtron stage (booster) that shall be commissioned soon.The Microtron Booster increases the beam energy to 5 MeV in order to be inserted in the Main Microtron.During the preparations for the commissioning, a new beam line has been built at the exit of the linac (1.8 MeV) to allow for atomic and molecularresearch. This new line was designed to be used initially in the characterization of the input beam for the Microtron Booster.In this work we propose to simulate the microtron booster using as input data the transverseand longitudinal beam variables obtained by the experimental characterization of the linac beam. Transverse phase space, transverse emittance, bunch length and momentum spread are the variables that must be measured, and are critical beam parameters for the microtron booster stability.We intend, with this work, to support the technical team during the commissioning of themicrotron booster, by finding the optimal operational parameters in order to produce a beam with good optical properties.

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