Elementary ParticlesHeavy IonsCosmic RadiationPhysical ProcessesLinear Energy TransferParticle SizeRadiation DosageRadiation, IonizingRadiation InjuriesDose-Response Relationship, RadiationRadiation ToleranceRadiationRadiation ProtectionRadiation MonitoringRadiation OncologyRadiation Injuries, ExperimentalRadiation PneumonitisGamma RaysNeoplasms, Radiation-InducedVirionBackground RadiationRadiotherapyRadiometryUltraviolet RaysRadiotherapy Dosage