Relative Biological EffectivenessLinear Energy TransferHeavy IonsCaliforniumFast NeutronsCobalt RadioisotopesHeavy Ion RadiotherapyTradescantiaDose-Response Relationship, RadiationRadiobiologyHumidityAlpha ParticlesAstatineNeutronsParticle AcceleratorsNuclear FissionGamma RaysRadiometryX-RaysCarbonRadiation DosageProtonsRadiotherapy DosageIonsCell SurvivalRadioisotopesCosmic RadiationWaterTemperatureTime FactorsMolecular Sequence DataNeoplasms, Radiation-InducedRadiation Tolerance