Matches in SemOpenAlex for { <https://semopenalex.org/work/W2000295736> ?p ?o ?g. }
Showing items 1 to 84 of
84
with 100 items per page.
- W2000295736 abstract "Purpose: To investigate the impact of leaf design on the radiation leakage through a multileaf collimator(MLC) for use in protonradiotherapy.Method and Materials: Using the Geant4 toolkit, a simulation program was developed to study the dose inadvertently administered to patients undergoing protonradiotherapy as a result of radiation leakage through the closed leaves of a MLC. In the model, the MLC comprised two opposing banks of tungsten‐alloy leaves, arranged perpendicularly to the beam axis. Each leaf was composed from a cuboid base, together with a step along the beam direction—in order to cover the gaps that would otherwise exist between neighbors—in both of the sides that abut leaves in the same bank, and in the end that faces the opposing bank. A simplified beam nozzle was modeled to provide a uniform fluence of protons over the upstream face of the MLC. Energy deposits were recorded in a voxelized water phantom adjoining the downstream face of the MLC. The radiation leakage was assessed as a function of gap and step size, leaf material and beam properties.Results: For a 5 × 5 cm2 field of 230 MeV protons incident on the MLC in the absence of interleaf gaps, the mean dose deposited in a 40 × 40 × 40 cm3 water phantom is 0.66 % of that when the field impinges directly on the phantom (“intraleaf leakage”). With realistic gaps of width 0.125 mm, this increases by a further 0.38 % if no steps are added, reducible to 0.04 % with steps of size 0.2 mm (“interleaf leakage”). The interleaf leakage dose distribution correlates highly with leaf design. Conclusion: Interleaf leakage through a protonMLC can be effectively removed by incorporating steps into the leaf design. Intraleaf leakage can be minimized by appropriate choice of leaf material." @default.
- W2000295736 created "2016-06-24" @default.
- W2000295736 creator A5004413892 @default.
- W2000295736 creator A5021008320 @default.
- W2000295736 creator A5042910967 @default.
- W2000295736 creator A5047652105 @default.
- W2000295736 creator A5070455914 @default.
- W2000295736 creator A5071578365 @default.
- W2000295736 creator A5085485551 @default.
- W2000295736 date "2007-06-01" @default.
- W2000295736 modified "2023-09-28" @default.
- W2000295736 title "WE-C-AUD-07: Investigation of the Impact of Leaf Design On the Radiation Leakage Through a Multileaf Collimator for Use in Proton Radiotherapy" @default.
- W2000295736 doi "https://doi.org/10.1118/1.2761515" @default.
- W2000295736 hasPublicationYear "2007" @default.
- W2000295736 type Work @default.
- W2000295736 sameAs 2000295736 @default.
- W2000295736 citedByCount "0" @default.
- W2000295736 crossrefType "journal-article" @default.
- W2000295736 hasAuthorship W2000295736A5004413892 @default.
- W2000295736 hasAuthorship W2000295736A5021008320 @default.
- W2000295736 hasAuthorship W2000295736A5042910967 @default.
- W2000295736 hasAuthorship W2000295736A5047652105 @default.
- W2000295736 hasAuthorship W2000295736A5070455914 @default.
- W2000295736 hasAuthorship W2000295736A5071578365 @default.
- W2000295736 hasAuthorship W2000295736A5085485551 @default.
- W2000295736 hasConcept C104293457 @default.
- W2000295736 hasConcept C120665830 @default.
- W2000295736 hasConcept C121332964 @default.
- W2000295736 hasConcept C139719470 @default.
- W2000295736 hasConcept C153385146 @default.
- W2000295736 hasConcept C161471255 @default.
- W2000295736 hasConcept C162324750 @default.
- W2000295736 hasConcept C168834538 @default.
- W2000295736 hasConcept C180048950 @default.
- W2000295736 hasConcept C192562407 @default.
- W2000295736 hasConcept C199631012 @default.
- W2000295736 hasConcept C22078206 @default.
- W2000295736 hasConcept C2524010 @default.
- W2000295736 hasConcept C2777042071 @default.
- W2000295736 hasConcept C2779200277 @default.
- W2000295736 hasConcept C2989005 @default.
- W2000295736 hasConcept C33923547 @default.
- W2000295736 hasConcept C34445779 @default.
- W2000295736 hasConcept C520434653 @default.
- W2000295736 hasConcept C71924100 @default.
- W2000295736 hasConcept C75088862 @default.
- W2000295736 hasConceptScore W2000295736C104293457 @default.
- W2000295736 hasConceptScore W2000295736C120665830 @default.
- W2000295736 hasConceptScore W2000295736C121332964 @default.
- W2000295736 hasConceptScore W2000295736C139719470 @default.
- W2000295736 hasConceptScore W2000295736C153385146 @default.
- W2000295736 hasConceptScore W2000295736C161471255 @default.
- W2000295736 hasConceptScore W2000295736C162324750 @default.
- W2000295736 hasConceptScore W2000295736C168834538 @default.
- W2000295736 hasConceptScore W2000295736C180048950 @default.
- W2000295736 hasConceptScore W2000295736C192562407 @default.
- W2000295736 hasConceptScore W2000295736C199631012 @default.
- W2000295736 hasConceptScore W2000295736C22078206 @default.
- W2000295736 hasConceptScore W2000295736C2524010 @default.
- W2000295736 hasConceptScore W2000295736C2777042071 @default.
- W2000295736 hasConceptScore W2000295736C2779200277 @default.
- W2000295736 hasConceptScore W2000295736C2989005 @default.
- W2000295736 hasConceptScore W2000295736C33923547 @default.
- W2000295736 hasConceptScore W2000295736C34445779 @default.
- W2000295736 hasConceptScore W2000295736C520434653 @default.
- W2000295736 hasConceptScore W2000295736C71924100 @default.
- W2000295736 hasConceptScore W2000295736C75088862 @default.
- W2000295736 hasLocation W20002957361 @default.
- W2000295736 hasOpenAccess W2000295736 @default.
- W2000295736 hasPrimaryLocation W20002957361 @default.
- W2000295736 hasRelatedWork W1530807321 @default.
- W2000295736 hasRelatedWork W1581093932 @default.
- W2000295736 hasRelatedWork W1977472174 @default.
- W2000295736 hasRelatedWork W1995822876 @default.
- W2000295736 hasRelatedWork W2149211412 @default.
- W2000295736 hasRelatedWork W2162558591 @default.
- W2000295736 hasRelatedWork W2466224447 @default.
- W2000295736 hasRelatedWork W2511966930 @default.
- W2000295736 hasRelatedWork W2897541954 @default.
- W2000295736 hasRelatedWork W636160004 @default.
- W2000295736 isParatext "false" @default.
- W2000295736 isRetracted "false" @default.
- W2000295736 magId "2000295736" @default.
- W2000295736 workType "article" @default.