CYCLOTRONS 2010 - List of Authors (Wittschen, J.C.)

Paper

Title

Page

The VARIAN 250 MeV Superconducting Compact Proton Cyclotron: Medical Operation of the 2nd Machine, Production and Commissioning Status of Machines No. 3 to 7

283

H. Röcken, M. Abdel-Bary, E.M. Akcoeltekin, P. Budz, T. Stephani, J.C. Wittschen
VMS-PT, Bergisch Gladbach, Germany

Varian Medical Systems Particle Therapy (the former ACCEL) has successfully finalized in 2008 the commissioning of its 2nd superconducting compact proton cyclotron for use in proton therapy. The 250 MeV machine serves as proton source for treatments at the first clinical proton therapy center in Germany which opened in early 2009. Furthermore, Varian is currently commissioning and factory testing its 3rd machine. We report on the operation and performance of the 2nd machine as well as on the successful cool-down, quench testing, and magnetic shimming of the 3rd machine. In addition we present RF commissioning plans using a newly developed solid state amplifier, and plans for the upcoming factory beam commissioning in the new Varian cyclotron test cell, scheduled for October 2010. Finally we provide a brief status and outlook on machines no. 4 to 7.

Slides TUM1CCO04 [5.761 MB]

Paper	Title	Page
TUM1CCO04	The VARIAN 250 MeV Superconducting Compact Proton Cyclotron: Medical Operation of the 2nd Machine, Production and Commissioning Status of Machines No. 3 to 7	283
	H. Röcken, M. Abdel-Bary, E.M. Akcoeltekin, P. Budz, T. Stephani, J.C. Wittschen VMS-PT, Bergisch Gladbach, Germany
	Varian Medical Systems Particle Therapy (the former ACCEL) has successfully finalized in 2008 the commissioning of its 2nd superconducting compact proton cyclotron for use in proton therapy. The 250 MeV machine serves as proton source for treatments at the first clinical proton therapy center in Germany which opened in early 2009. Furthermore, Varian is currently commissioning and factory testing its 3rd machine. We report on the operation and performance of the 2nd machine as well as on the successful cool-down, quench testing, and magnetic shimming of the 3rd machine. In addition we present RF commissioning plans using a newly developed solid state amplifier, and plans for the upcoming factory beam commissioning in the new Varian cyclotron test cell, scheduled for October 2010. Finally we provide a brief status and outlook on machines no. 4 to 7.
	Slides TUM1CCO04 [5.761 MB]