In 100 years after the discovery of isomer in nuclei,it was continuously a prominent topic in nuclear physics^([1]).Isomers with long lifetimes and high excitation energies are expected to represent a new source of nu...In 100 years after the discovery of isomer in nuclei,it was continuously a prominent topic in nuclear physics^([1]).Isomers with long lifetimes and high excitation energies are expected to represent a new source of nuclear energy.This stored energy is expected to arti cially released by the process known as isomer depletion in which the isomer is excited to an adjacent excited state of shorter lifetimes and subsequently decays to the ground state promptly.展开更多
The inuence of the electronic environment on nuclear decay has been proposed for long time^([1]).The lifetime of some excited states of nucleus may change due to the inuence of electron wave function.A typical example...The inuence of the electronic environment on nuclear decay has been proposed for long time^([1]).The lifetime of some excited states of nucleus may change due to the inuence of electron wave function.A typical example is a 20%reduction in the half-life of an isomer of^(57)Fe a ected by the charge state^([2]).By blocking the internal conversion channels,lifetimes of excited states in highly-charged nuclei can be prolonged.展开更多
基金National Key R&D Program of China(2017YFA0402300)National Natural Science Foundation of China(U1732133,Y602080YQ0,Y602110XD0)。
文摘In 100 years after the discovery of isomer in nuclei,it was continuously a prominent topic in nuclear physics^([1]).Isomers with long lifetimes and high excitation energies are expected to represent a new source of nuclear energy.This stored energy is expected to arti cially released by the process known as isomer depletion in which the isomer is excited to an adjacent excited state of shorter lifetimes and subsequently decays to the ground state promptly.
基金National Key R&D Program of China(2017YFA0402300)National Natural Science Foundation of China(U1732133,Y602080YQ0,Y602110XD0)。
文摘The inuence of the electronic environment on nuclear decay has been proposed for long time^([1]).The lifetime of some excited states of nucleus may change due to the inuence of electron wave function.A typical example is a 20%reduction in the half-life of an isomer of^(57)Fe a ected by the charge state^([2]).By blocking the internal conversion channels,lifetimes of excited states in highly-charged nuclei can be prolonged.
