JACoW is a publisher in Geneva, Switzerland that publishes the proceedings of accelerator conferences held around the world by an international collaboration of editors.
TY - CONF AU - Thuillier, T. AU - Cadoux, T. AU - Cernuschi, A. AU - Cheymol, B. AU - Dubois, M. AU - Felice, H. AU - Kasulja, M. AU - Lagorio, E. AU - Lemagnen, F. AU - Peaucelle, C. AU - Simon, D. AU - Vezzu, F. ED - Maimone, Fabio ED - Schaa, Volker RW ED - Mueller, Raphael TI - Simulation of surface X-ray emission from the ASTERICS ECR ion source J2 - Proc. of ECRIS2024, Darmstadt, Germany, 15-19 September 2024 CY - Darmstadt, Germany T2 - International Workshop on Electron Cyclotron Resonance Ion Sources T3 - 26 LA - english AB - A new electron cyclotron resonance ion source (ECRIS) named ASTERICS is under development for the NEWGAIN project, aiming at building a new injector for the SPIRAL2 accelerator at GANIL. A Monte Carlo code dedicated to the electron dynamics in ECRIS is used to investigate the local energy, position and velocity distribution of electrons impinging on the plasma chamber wall of ASTERICS. These quantities are presented for both the injection and extraction planes and the radial chamber wall. Results show that the electron energy distribution function is different on each of these three surfaces and that the electron velocity direction to the walls is deeply anisotropic. This data is next used as an input in a Fluka 3-dimensional model including the ASTERICS ECRIS mechanics, a simplified low energy beam line and the experimental cave in which the ion source will be installed. The x-ray flux characteristics around the source are presented. The shielding thickness and its location are studied to grant the safe passage of personnel around the ECRIS location in the accelerator building. PB - JACoW Publishing CP - Geneva, Switzerland SP - 81 EP - 85 KW - electron KW - extraction KW - plasma KW - ion-source KW - injection DA - 2024/09 PY - 2024 SN - 2222-5692 SN - 978-3-95450-257-8 DO - doi:10.18429/JACoW-ECRIS2024-TUB2 UR - https://jacow.org/ecris2024/papers/tub2.pdf ER -