Author Archives: Jon Butterworth

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About Jon Butterworth

UCL Physics prof, works on LHC, writes (books, Cosmic Shambles and elsewhere). Citizen of England, UK, Europe & Nowhere, apparently.

Aspen and the Edge of Atom Land

I’m half way through the second week of my stay at the Aspen Center for Physics, where we have been discussing “Tightening the Gap Between Scattering Amplitudes and Events at the LHC at Higher Orders“. What that somewhat wordy title … Continue reading

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Missing Energy

Here’s a question you might not have asked yourself before. When protons collide in the Large Hadron Collider, how often are undetectable particles produced? Maybe a quick follow up question would be, why does it matter? A paper I have … Continue reading

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Future Colliders

On Friday we discussed the mid-term review of the ongoing feasibility study for a huge future circular collider at CERN. I should write more about that whole thing soon, but for now, here’s a link to me and Tara Shears … Continue reading

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South African adventure…

See below from Louie, one of the people who made it happen, and below that for a flavour my extra Cape Town excursion, thank to James Keaveney.

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