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.

Observation of a previously unseen behaviour of light

Posted on 09/04/2019 by Jon Butterworth

Originally posted on Life and Physics:
Beams of light do not, generally speaking, bounce off each other like snooker balls. But at the high energies in the Large Hadron Collider at CERN they have just been observed doing exactly that…

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Another pentaquark (now on arXiv)

Posted on 09/04/2019 by Jon Butterworth

Originally posted on Life and Physics:
I was earlier into work than usual this morning after talking about a new pentaquark discovered by LHCb and reported just now in the Moriond QCD meeting. Even so, when I got in, Ryan…

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Reinterpreting Results

Posted on 03/04/2019 by Jon Butterworth

I’m Down South this week at Imperial College, for a meeting on “(Re)interpreting the results of new physics searches at the LHC”. Given the lack of obvious signs of physics beyond the Standard Model (particularly supersymmetry at accessible energies), theoretical … Continue reading →

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Going through GVA

Posted on 28/03/2019 by Jon Butterworth

In Geneva airport they’ve had a “Swiss/EU/UK” line at passport control for a long time, even before our act of self harm in 2016. Yesterday evening I noticed the UK flag had been taped over.

Posted in Politics, Travel | 1 Comment