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neutróny
Record number d009502 Date 06.06.2025 Type M - MESH Topical term neutróny UDC G01.249.660.250 Note Electrically neutral elementary particles found in all atomic nuclei except light hydrogen; the mass is equal to that of the proton and electron combined and they are unstable when isolated from the nucleus, undergoing beta decay. Slow, thermal, epithermal, and fast neutrons refer to the energy levels with which the neutrons are ejected from heavier nuclei during their decay. subject heading
Number of the records: 1