Relative Biological EffectivenessLinear Energy TransferHeavy IonsCaliforniumFast NeutronsCobalt RadioisotopesHeavy Ion RadiotherapyDose-Response Relationship, RadiationRadiobiologyInsulin-Secreting CellsAlpha ParticlesAstatineNeutronsParticle AcceleratorsNuclear FissionGamma RaysRadiometryX-RaysCarbonRadiation DosageInsulin ResistanceProtonsRadiotherapy DosageIonsCell SurvivalRadioisotopesCosmic RadiationNeoplasms, Radiation-InducedRadiation Tolerance