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This sample of niobium has been treated in a process that is typical for preparing particle accelerator components. Tests have revealed how adding oxygen to such components makes them more efficient.

Oxygen Tweaking May Be the Key to Optimizing Particle Accelerators

Modeling the diffusion of oxygen into accelerator cavities allows scientists to tailor their properties.

A long-predicted ultrafast isomerization in the UV photochemistry of bromoform is visualized for the first time by femtosecond time-resolved electron diffraction. At 267 nm excitation, the reaction pathway surpasses direct dissociation by a 60:40 margin.

Bromoform Molecules Like to Rearrange Their Atoms

Ultrafast electron diffraction imaging reveals atomic rearrangements long suspected to be crucial in the photochemistry of bromoform.

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