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Updated: Mar 3, 2026

Neutron Crystallography Data Collection and Processing for Modelling Hydrogen Atoms in Protein Structures
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Neutron Crystallography Data Collection and Processing for Modelling Hydrogen Atoms in Protein Structures

Published on: December 1, 2020

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在质子滴滴线附近的Sn同位素的格子计算

Fabian Hildenbrand1, Serdar Elhatisari2,3, Ulf-G Meißner1,4,5

  • 1Forschungszentrum Jülich, Institute for Advanced Simulation (IAS-4), D-52425 Jülich, Germany.

Physical review letters
|March 1, 2026
PubMed
概括

我们使用核晶格有效场理论来计算富有质子的锡同位素. 我们的发现证实了N=50外的关闭,并揭示了Sn. ^{99}的独特结合能量趋势.

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相关概念视频

Trends in Lattice Energy: Ion Size and Charge02:54

Trends in Lattice Energy: Ion Size and Charge

An ionic compound is stable because of the electrostatic attraction between its positive and negative ions. The lattice energy of a compound is a measure of the strength of this attraction. The lattice energy (ΔHlattice) of an ionic compound is defined as the energy required to separate one mole of the solid into its component gaseous ions. For the ionic solid sodium chloride, the lattice energy is the enthalpy change of the process:
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Protons and neutrons, collectively called nucleons, are packed together tightly in a nucleus. With a radius of about 10−15 meters, a nucleus is quite small compared to the radius of the entire atom, which is about 10−10 meters. Nuclei are extremely dense compared to bulk matter, averaging 1.8 × 1014 grams per cubic centimeter. If the earth’s density were equal to the average nuclear density, the earth’s radius would be only about 200 meters.
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