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ACA: The Structural Science Society

ACA: The Structural Science Society is a non-profit, scientific organization of over 1,000 members worldwide. ACA was founded in 1949 through a merger of the American Society for X-Ray and Electron Diffraction (ASXRED) and the Crystallographic Society of America (CSA).

Recent Articles

Research Article

| January 09 2025

Convergent-beam attosecond x-ray crystallography

Henry N. Chapman, Chufeng Li et al.

Sub-ångström spatial resolution of electron density coupled with sub-femtosecond to few-femtosecond temporal resolution is required to directly observe the dynamics of the electronic structure of a ...

Research Article

| December 24 2024

Integrated edge-to-exascale workflow for real-time steering in neutron scattering experiments

Junqi Yin, Viktor Reshniak et al.

We introduce a computational framework that integrates artificial intelligence (AI), machine learning, and high-performance computing to enable real-time steering of neutron scattering experiments ...

Research Article

| November 26 2024

Comprehensive characterization of gas dynamic virtual nozzles for x-ray free-electron laser experiments

Konstantinos Karpos, Sahba Zaare et al.

We introduce a hardware–software system for rapidly characterizing liquid microjets for x-ray diffraction experiments. An open-source python-based software package allows for programmatic and ...

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