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Poster communications

Simulations for the Future e-Linac Converter

Abstract : In the next years, TRIUMF activity will be focused on building a new facility to be able to produce very intense neutron rich radioactive ion beams using ISOL technique. The e-linac primary beam, that will induce the fission, is an intense electron beam (50 MeV energy and 10 mA intensity). This beam is sent on an uranium carbide target (UCx), but due to its power, it is essential to insert a converter on the beam path to avoid a target vaporization. In this presentation, I will give an overview of the various techniques I used to determinate a suitable geometry for this converter. In this work, Bremsstralhung process that produce the useful gamma had to be carefully taken into account. For this, use of the reference toolbox for particle simulations : GEANT4 was mandoratory. For the first time, thanks to GEANT4 adaptability, the three major photonuclear processes that takes place in the target: (gamma, fission), (gamma,n) and (gamma,2n) were introduced in a simulation. Based on GEANT4 results, using ANSYS®, a thermal simulation of the system cooling was performed to confirm its resistance the beam exposure. At the end, an appropriate geometry for the future e-linac converter is proposed.
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Poster communications
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http://hal.in2p3.fr/in2p3-00544590
Contributor : Sophie Heurteau <>
Submitted on : Wednesday, December 8, 2010 - 2:51:35 PM
Last modification on : Wednesday, September 16, 2020 - 4:08:17 PM

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  • HAL Id : in2p3-00544590, version 1

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M. Lebois. Simulations for the Future e-Linac Converter. International Nuclear Physics Conference - INPC 2010, Jul 2010, Vancouver, Canada. ⟨in2p3-00544590⟩

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