2010
DOI: 10.1016/j.nima.2010.09.016
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Multiple-energy operation with extended flattops at HIMAC

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Cited by 82 publications
(43 citation statements)
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“…The range shifter and energy changes can be adjusted in 3-and 30-mm range steps, respectively. In the present study, we set control times for the range shifter and synchrotron energy changes to 420 and 150 ms, respectively [12,13]. Hybrid scanning provides a superior lateral dose fall-oft and a higher relative biological effectiveness than can be obtained with the range shifter only because less range shifter material is needed [11].…”
Section: Methods and Materials Rescanning Methodsmentioning
confidence: 99%
“…The range shifter and energy changes can be adjusted in 3-and 30-mm range steps, respectively. In the present study, we set control times for the range shifter and synchrotron energy changes to 420 and 150 ms, respectively [12,13]. Hybrid scanning provides a superior lateral dose fall-oft and a higher relative biological effectiveness than can be obtained with the range shifter only because less range shifter material is needed [11].…”
Section: Methods and Materials Rescanning Methodsmentioning
confidence: 99%
“…A second challenge is a beam request according to the gating signal while the accelerator extracted pulse timing is not ready. To overcome this, the extended flattop operation was developed with a synchrotron‐based accelerator using a slow‐extraction method . A further problem is the fact that respiratory gating prolongs the treatment time: a 30% duty cycle results in a duty cycle that is approximately 70% shorter with gating than without it.…”
Section: Motion Mitigationmentioning
confidence: 99%
“…One study for a particular synchrotron has estimated that an average reduction in treatment time across all plans using MEE could be about 50% . MEE has now been implemented at several slow‐cycling synchrotron‐based facilities …”
Section: Current State: Beam Production Systemsmentioning
confidence: 99%