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Related papers: $^{93m}$Mo isomer depletion via beam-based nuclear…

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The recent paper by Chiara et al. provided the first experimental evidence of nuclear excitation by electron capture (NEEC), responding a long-standing theoretical prediction. NEEC was inferred to be the main channel to excite an isomer in…

Nuclear Experiment · Physics 2021-07-14 Song Guo , Yongde Fang , Xiaohong Zhou , C. M. Petrache

Nuclear excitation by electron capture (NEEC) is an important nuclear excitation mechanism which still lacks conclusive experimental verification. This is primarily attributed to strong background x-/$\gamma$-ray noise and competing nuclear…

Isomer depletion via the process of nuclear excitation by inelastic electron scattering is investigated theoretically. A comprehensive study on low-energy nuclear excitations by inelastic electron scattering is performed to analyze the…

Nuclear Theory · Physics 2026-05-08 Ziwen Li , Jingyan Zhao , Xuyang Pu , Yuanbin Wu

Triggering of long-lived nuclear isomeric states via coupling to the atomic shells in the process of nuclear excitation by electron capture (NEEC) is studied. NEEC occurring in highly-charged ions can excite the isomeric state to a…

Nuclear Theory · Physics 2008-11-26 Adriana Pálffy , Jörg Evers , Christoph H. Keitel

The process of nuclear excitation by electron capture in plasma environments generated by the interaction of ultra-strong optical lasers with solid-state samples is investigated theoretically. With the help of a plasma model we perform a…

Plasma Physics · Physics 2018-06-20 Jonas Gunst , Yuanbin Wu , Christoph H. Keitel , Adriana Pálffy

Efficient excitation of nuclei via exchange of a real or virtual photon has a fundamental importance for nuclear science and technology development. Here, we present a new mechanism of nuclear excitation based on the capture of a free muon…

Nuclear Theory · Physics 2022-10-12 Simone Gargiulo , Ming Feng Gu , Fabrizio Carbone , Ivan Madan

Nuclear isomers play a key role in the creation of the elements in the universe and have a number of fascinating potential applications related to the controlled release of nuclear energy on demand. Particularly, $^{93m}$Mo isomer is a good…

The optimal parameters for nuclear excitation by electron capture in plasma environments generated by the interaction of ultra-strong optical lasers with solid matter are investigated theoretically. As a case study we consider a 4.85 keV…

Plasma Physics · Physics 2018-02-07 Yuanbin Wu , Jonas Gunst , Christoph H. Keitel , Adriana Pálffy

The nuclear isomeric state $^{229m}$Th with an exceptionally low excitation energy makes the $^{229}$Th isotope a crucial candidate for nuclear clocks and many other applications. Efficient and controllable production of $^{229m}$Th is…

Nuclear Theory · Physics 2024-06-19 Jingyan Zhao , Adriana Pálffy , Christoph H. Keitel , Yuanbin Wu

Long-lived excited states of atomic nuclei can act as energy traps. These states, known as nuclear isomers, can store a large amount of energy over long periods of time, with a very high energy-to-mass ratio. Under natural conditions, the…

Atomic Physics · Physics 2022-05-04 Yuanbin Wu , Simone Gargiulo , Fabrizio Carbone , Christoph H. Keitel , Adriana Pálffy

In the paper [1] the process of free muon capture with simultaneous excitation of a nuclear isomer has been suggested, claiming that ``the effect can be detectable for selected isotopes". Here, we argue that this claim can not be confirmed.…

Nuclear Theory · Physics 2023-07-13 Natalia S. Oreshkina , Julian C. Berengut

We investigate the resonant process of nuclear excitation by electron capture, in which a continuum electron is captured into a bound state of an ion with the simultaneous excitation of the nucleus. In order to derive the cross section a…

Atomic Physics · Physics 2008-11-26 Adriana Pálffy , Zoltán Harman , Werner Scheid

We investigate nuclear-resonant electron scattering as occurring in the two-step process of nuclear excitation by electron capture (NEEC) followed by internal conversion. The nuclear excitation and decay are treated by a phenomenological…

Atomic Physics · Physics 2008-04-08 Adriana Pálffy , Zoltán Harman

Theoretical considerations are made for the nuclear excitation from the ground state to the 8 eV $^{229m}$Th isomer via near-resonant electron transitions in Sb-like ($q=39+$) thorium ions. The energy of the first excited atomic state…

Atomic Physics · Physics 2025-04-17 Karol Kozioł , Jacek Rzadkiewicz

The resonance strength of the two-step process of nuclear excitation by electron capture followed by $\gamma$ decay of the nucleus can be significantly increased in highly charged ions if the resonant capture proceeds via an excited…

A new mechanism of nuclear excitation via two-photon electron transitions (NETP) is proposed and studied theoretically. As a generic example, detailed calculations are performed for the $E1E1$ $1s2s\,^1S_0 \rightarrow 1s^2\,^1S_0$…

Atomic Physics · Physics 2016-12-09 A. V. Volotka , A. Surzhykov , S. Trotsenko , G. Plunien , Th. Stöhlker , S. Fritzsche

We present a shell-model analysis of $^{93}$Mo to investigate the unusual behavior of its ${21/2}^+$ isomer -- a prominent candidate for nuclear excitation by electronic capture. This state is unique as its decay is dominated by a slow…

Nuclear Theory · Physics 2025-10-28 B. Maheshwari , P. Van Isacker , P. M. Walker

X-ray assisted nuclear excitation by electron capture (NEEC) into inner-shell atomic holes in a plasma environment generated by strong optical lasers is investigated theoretically. The considered scenario involves the interaction of a…

Plasma Physics · Physics 2019-12-18 Yuanbin Wu , Christoph H. Keitel , Adriana Pálffy

Nuclear excitation by electron capture (NEEC) in $^{229}$Th holds significant potential for precise nuclear state manipulation. In this study, we thoroughly investigate NEEC in $^{229}\text{Th}^{q+}$ ions by integrating quantum numbers ($n,…

Nuclear Theory · Physics 2025-10-10 Yang-Yang Xu , Qiong Xiao , Jun-Hao Cheng , Wen-Yu Zhang , Tong-Pu Yu

Interatomic Coulombic Electron Capture (ICEC) is an environment-mediated process in which a free electron attaches to a species by transferring excess energy to a neighbor. While previous theoretical investigations assumed fixed nuclei,…

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