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TY - CONF AU - Steczkiewicz, O. AU - Bekhterev, V. AU - Gmaj, P. AU - Ivanenko, I.A. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Improvement of the Beam Transmission in the Central Region of Warsaw U200P Cyclotron J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - To date, Warsaw U200P cyclotron exploited a mirror inflector to route heavy ions extracted from ECR ion source (10 GHz, 11 kV) to the central region of the cyclotron. However, in such configuration very low transmission was reachable after many optimizations. Additionally, the new ECR ion source (14, 5 GHz, 14-24 kV) was installed, which offers energies far exceeding capabilities of the currently operated inflector and central region. To overcome these obstacles, we have developed a spiral inflector and redesigned central region of the cyclotron. It was a very challenging task, bearing in mind limited volume of central region in our compact machine, to carve these elements suitably for decent versatility of ion beams offered by Warsaw cyclotron. This project was executed in the collaboration with FLNR in Dubna, Russia. The cyclotron equipped with the new central region works in the "constant orbit" regime. Hereby we present the results of both computational simulations and measurements of the beam transmission in upgraded central region. PB - JACoW CP - Geneva, Switzerland SP - 803 EP - 805 KW - cyclotron KW - ion KW - ion-source KW - injection KW - ECR DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-MOPRI083 UR - http://jacow.org/ipac2014/papers/mopri083.pdf ER -