应兰州大学核科学与技术学院、稀有同位素前沿科学中心邀请，九州大学Futoshi Minato副教授将于2023年6月30日来校进行学术交流并作报告。

       报告题目：Particle emissions following lepton-captures and beta-decays of nuclei

       报告时间：2023年6月30日（星期五）16: 00    

       报告地点：兰州大学二分部现物楼214室

       欢迎广大师生参加！

【报告摘要】

       Nuclei can be excited by beta-decays and lepton (nuon, electron)-captures. If the excitation energies are above particle thresholds after those decays and reactions, nuclei emit various kinds of particles. The typical examples are neutron emissions after beta-decays, that is to say delayed neutrons. Proton and alpha particle emissions are also possible after electron-captures on neutron-deficient nuclei. The information on those particle emissions following decays and reactions is important for correctly understanding a stable operation condition of nuclear reactors, r-process nucleosynthesis, and the most efficient designs for radioactive protections. Although experimental data of the particle emissions have been calculated with some phenomenological models, the detailed mechanism with respect to the nuclear structure is still unclear. In particular, experimentally measured neutron spectra after muon capture have not been reproduced well with a nuclear structure model. In this talk, we introduce our recent investigations on the particle emissions after beta-decays and lepton-captures studied within a proton-neutron Tamm-Dancoff- and random-phase-approximations and particle evaporation models considering pre-equilibrium and compound process. We discuss the role of nuclear structures.

【报告人简介】

      Futoshi Minato is an associated professor at the Kyushu university. After receiving his PhD at the Tohoku University for works of fission and beta-decay of neutron-rich nuclei, he started his career at Japan Atomic Energy Agency (JAEA), where He studied hypernuclei and nuclear reactions there. He then started to work on studies of nuclear data. He has produced a various kind of nuclear data library, especially decay data, and also has contributed to internationally collaborating activities on nuclear data conducted by IAEA. From 2023, he moved to the Kyushu university.

       Futoshi Minato specializes theoretical studies of nuclear structure and nuclear reactions within microscopic models like beyond-mean-field approaches. His interests also extended to material and medical science, machine learning, and error-propagation method.

核科学与技术学院

稀有同位素前沿科学中心

2023年6月29日