Particle AcceleratorsAccelerationRadiotherapy, High-EnergyRadiometric DatingArchaeologyRadiotherapy Planning, Computer-AssistedRadiosurgeryFilm DosimetryPhotonsRadiometryMass SpectrometryAgrochemicalsFiducial MarkersRadiotherapy DosageEquipment DesignRadiation DosageHeavy IonsCarbon RadioisotopesEquipment Failure AnalysisRadiotherapy, Intensity-ModulatedTamaricaceaeAnalytic Sample Preparation MethodsNeutronsRelative Biological EffectivenessHeavy Ion RadiotherapyComputer-Aided DesignDose-Response Relationship, RadiationWaxesPlasticizersPhantoms, ImagingRadiotherapy, Image-GuidedRadiation MonitoringPatient PositioningRadiotherapyRadiotherapy, ConformalScattering, RadiationLinear Energy TransferMonte Carlo MethodRadiation OncologyTime FactorsBiomechanical PhenomenaElectronsOtolithic MembraneX-RaysDNA AdductsRadioisotopesDecelerationAlgorithmsReproducibility of ResultsBiological AvailabilityModels, BiologicalGravitationReflex, Vestibulo-OcularRotationVibrationComputer SimulationSensitivity and SpecificityChromatography, LiquidBrain Neoplasms