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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Schreiner, Jochen Naas, Bernd Haberer, Thomas Peters, Andreas Winkelmann, Tim Cee, Rainer |
| Description | Country affiliation: Germany Author Affiliation: Winkelmann T ( Heidelberger Ionenstrahl-Therapie Centrum (HIT), D -69120 Heidelberg, Germany.); Cee R ( Heidelberger Ionenstrahl-Therapie Centrum (HIT), D -69120 Heidelberg, Germany.); Haberer T ( Heidelberger Ionenstrahl-Therapie Centrum (HIT), D -69120 Heidelberg, Germany.); Naas B ( Heidelberger Ionenstrahl-Therapie Centrum (HIT), D -69120 Heidelberg, Germany.); Peters A ( Heidelberger Ionenstrahl-Therapie Centrum (HIT), D -69120 Heidelberg, Germany.); Schreiner J ( Heidelberger Ionenstrahl-Therapie Centrum (HIT), D -69120 Heidelberg, Germany.) |
| Abstract | The clinical operation at the Heidelberg Ion Beam Therapy Center (HIT) started in November 2009; since then more than 1600 patients have been treated. In a 24/7 operation scheme two 14.5 GHz electron cyclotron resonance ion sources are routinely used to produce protons and carbon ions. The modification of the low energy beam transport line and the integration of a third ion source into the therapy facility will be shown. In the last year we implemented a new extraction system at all three sources to enhance the lifetime of extraction parts and reduce preventive and corrective maintenance. The new four-electrode-design provides electron suppression as well as lower beam emittance. Unwanted beam sputtering effects which typically lead to contamination of the insulator ceramics and subsequent high-voltage break-downs are minimized by the beam guidance of the new extraction system. By this measure the service interval can be increased significantly. As a side effect, the beam emittance can be reduced allowing a less challenging working point for the ion sources without reducing the effective beam performance. This paper gives also an outlook to further enhancements at the HIT ion source testbench. |
| ISSN | 00346748 |
| Issue Number | 2 |
| Journal | Review of Scientific Instruments |
| Volume Number | 85 |
| e-ISSN | 10897623 |
| Language | English |
| Publisher | American Institute of Physics |
| Publisher Date | 2014-02-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cyclotrons Instrumentation Radiotherapy Maintenance Time Factors Journal Article Discipline Physics Discipline Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Instrumentation |
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