From Wikipedia, the free encyclopedia
In physica, un nucleon[1] es un particula subatomic, un del constituentes principal—le protones e neutrones—del nucleo, atomic. Le numero de nucleones in un nucleo—i.e. le summa del numero de protones e le numero de neutrones—es su numero de massa. Ante le annos 1960 le nucleones esseva considerate como particulas elementari. Post le discoperta del quark illos es considerate como composite, cata uno consistente de tres quarkes.
Nucleon |
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instantia de: type of quantum particle[*] |
subclasse de: N-baryon[*] |
parte de: nucleo atomic |
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