Article ; Online: Non-invasive beam profile monitor for medical accelerators.
2020 Volume 73, Page(s) 173–178
Abstract: A beam profile monitor based on a supersonic gas-curtain is currently under development for transverse profile diagnostics of electron and proton beams in the High Luminosity LHC. This monitor uses a thin supersonic gas curtain that crosses the primary ... ...
Abstract | A beam profile monitor based on a supersonic gas-curtain is currently under development for transverse profile diagnostics of electron and proton beams in the High Luminosity LHC. This monitor uses a thin supersonic gas curtain that crosses the primary beam to be characterized under an angle of 45 degrees. The fluorescence caused by the interaction between the beam and gas-curtain is detected using a specially designed imaging system to determine the 2D transverse profile of the primary beam. Another prototype monitor based on beam induced ionization is installed at The Cockcroft Institute. This paper presents the design features of both the monitors, the gas-jet curtain formation and various experimental tests, including profile measurements of an electron beam, using helium, nitrogen and neon as gases. Such a non-invasive online beam profile monitor would be highly desirable also for medical LINAC's and storage rings as it can characterize the beam without stopping machine operation. The paper discusses opportunities for simplifying the monitor design for integration into a medical accelerator and expected monitor performance. |
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MeSH term(s) | Electrons/therapeutic use ; Fluorescence ; Particle Accelerators ; Proton Therapy/instrumentation ; Radiotherapy Dosage |
Language | English |
Publishing date | 2020-04-30 |
Publishing country | Italy |
Document type | Journal Article |
ZDB-ID | 1122650-x |
ISSN | 1724-191X ; 1120-1797 |
ISSN (online) | 1724-191X |
ISSN | 1120-1797 |
DOI | 10.1016/j.ejmp.2020.04.023 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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