Articles with "double electron" as a keyword



Measurement of two-neutrino double electron capture half-life of 124Xe with PandaX-4T

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Published in 2024 at "Journal of High Energy Physics"

DOI: 10.1007/jhep05(2025)119

Abstract: Detailed studies of two-neutrino double electron capture (2νDEC) is a crucial step towards searching for the neutrinoless mode to explore the Majorana nature of neutrinos. We have measured precisely the half-life of the 2νDEC process… read more here.

Keywords: double electron; neutrino double; two neutrino; half life ... See more keywords

Guiding Double Electron Electron Resonance Experiments using Information Theory and Molecular Dynamics Simulations

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Published in 2017 at "Biophysical Journal"

DOI: 10.1016/j.bpj.2016.11.1064

Abstract: Flexible proteins present a unique set of challenges for refinement with either computational or experimental techniques: because these proteins occupy a large conformational space, standard molecular dynamics (MD) simulations can be prohibitively expensive, and high-resolution… read more here.

Keywords: information; molecular dynamics; double electron; electron electron ... See more keywords

Molecular Breakdown of Double Electron-Electron Resonance Data with Atomistic Simulations

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Published in 2017 at "Biophysical Journal"

DOI: 10.1016/j.bpj.2016.11.2389

Abstract: Double Electron-Electron Resonance (DEER) spectroscopy has become a landmark technique to investigate the structure and dynamics of membrane proteins, in different functional states and physiological conditions. From DEER experiments it is possible to obtain any… read more here.

Keywords: deer; double electron; electron electron; spectroscopy ... See more keywords
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Photoinduced Charge Separation via the Double-Electron Transfer Mechanism in Nitrogen Vacancies g-C3N5/BiOBr for the Photoelectrochemical Nitrogen Reduction.

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Published in 2020 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c11894

Abstract: Due to the harsh reaction conditions, high energy consumption, and numerous carbon emissions of the traditional Haber-Bosch method, the fixation of nitrogen under environmentally friendly and milder conditions is of great importance. Recently, photoelectrochemical (PEC)… read more here.

Keywords: nitrogen; double electron; electron transfer; transfer mechanism ... See more keywords

Quantitative Agreement between Conformational Substates of Holo Calcium-Loaded Calmodulin Detected by Double Electron-Electron Resonance EPR and Predicted by Molecular Dynamics Simulations.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c02201

Abstract: Calcium-loaded calmodulin (CaM/4Ca2+) comprises two domains that undergo rigid body reorientation from a predominantly extended conformation to a compact one upon binding target peptides. A recent replica-exchange molecular dynamics (MD) simulation on holo CaM/4Ca2+ suggested… read more here.

Keywords: loaded calmodulin; molecular dynamics; double electron; calcium loaded ... See more keywords

Modeling protein conformational ensembles by guiding AlphaFold2 with Double Electron Electron Resonance (DEER) distance distributions

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Published in 2025 at "Nature Communications"

DOI: 10.1038/s41467-025-62582-4

Abstract: We describe a modified version of AlphaFold2 that incorporates experimental distance distributions into the network architecture for protein structure prediction. Harnessing the OpenFold platform, we fine-tune AlphaFold2 on structurally dissimilar proteins to explicitly model distance… read more here.

Keywords: distance; double electron; distance distributions; deer ... See more keywords
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Radiative Double-Electron Capture by Bare and One-Electron Ions on Gas Targets.

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Published in 2020 at "Physical review letters"

DOI: 10.1103/physrevlett.124.133401

Abstract: Radiative double-electron capture (RDEC) involves the transfer of two electrons with the simultaneous emission of a single photon. This process, which can be viewed as the inverse of double photoionzation, has been studied for 2.11  MeV/u… read more here.

Keywords: electron capture; double electron; gas targets; radiative double ... See more keywords

Sequential Synchronous Mechanism for Double-Electron Capture: Insights into Unforeseen Large Cross Sections in Low-Energy Sn^{3+}+H_{2} Collisions.

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Published in 2025 at "Physical review letters"

DOI: 10.1103/physrevlett.134.093002

Abstract: Remarkably large double electron capture cross sections, on the scale of 10^{-15}  cm^{2}, are observed in low-energy ( read more here.

Keywords: double electron; electron capture; cross sections; cross ... See more keywords

External Radiation Assistance of Neutrinoless Double Electron Capture

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Published in 2024 at "Atoms"

DOI: 10.3390/atoms12050027

Abstract: The influence of electromagnetic radiation on nuclear processes is applied to an example of a neutrinoless double electron capture (0ν2ec). For cases with X-ray free-electron lasers (X-ray FELs) and/or inverse Compton X-ray sources, it was… read more here.

Keywords: neutrinoless double; double electron; radiation; electron capture ... See more keywords

A Systematic Study of Two-Neutrino Double Electron Capture

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Published in 2024 at "Universe"

DOI: 10.3390/universe10020098

Abstract: In this paper, we update the phase-space factors for all two-neutrino double electron capture processes. The Dirac–Hartree–Fock–Slater self-consistent method is employed to describe the bound states of captured electrons, enabling a more realistic treatment of… read more here.

Keywords: double electron; neutrino double; two neutrino; electron capture ... See more keywords