Hi Ian, good to hear! Hi everyone, thanks for the etymological - and etiological - discussion. I'm good whatever the choice.
John, I beg to differ with the absolute statement that xfels offer damage free hkls - back in 2016 yet another great experimental work, by Inoue et al (https://www.pnas.org/content/113/6/1492), showed global loss of diffraction in a protein crystal analog as soon as 10 fs from exposure start (later estimated in Mx experiments by I. Schlichting's team).
Cheers,
José
-> Digression: And I expect neutrons will do a similar job exciting the crystal with some phonon-magnetic moment coupling and changing the magnetisation state of the electronic structure pretty fast.
-> Digressing even further, this might be a mechanism that underpins allosteric effects, so neutron mx might be a way to tease them.
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