electron capture

柯林斯词典

electron capture

• 1. N the transformation of an atomic nucleus in which an electron from the atom is spontaneously absorbed into the nucleus. A proton is changed into a neutron, thereby reducing the atomic number by 1. A neutrino is emitted. The process may be detected by the consequent emission of the characteristic X-rays of the resultant element 电子俘获 (Former name K-capture)[physics]

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