EntityQ48844754· pop 5· linked from 33 articlesFission barrierSign in to saveactivation energy required for a nucleus of an atom to undergo fissionConnectionsneutron temperatureEntityatomic nucleusEntitynuclear fusionEntityactinideEntitynuclideEntitynuclear isomerEntitystable isotopeEntitywireless device radiation and healthEntityneutron numberEntitysemi-empirical mass formulaEntityAPR-1400EntityCPR-1000EntitywaterEntityQ7186EntityhydrogenEntitylightEntityenergyEntityheliumEntityelectricityEntityQ7085EntityCategories1938 in Germany1938 in scienceNuclear chemistryNuclear fissionNuclear physicsOtto Hahn