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.

Margin of Error

Posted on 02/05/2020 by Jon Butterworth

We have achieved 100k COVID-19 tests in day hurrah! Bang the pots and pans and stuff. There’s a certain amount of cynicism, with even the BBC fact-checking itself. Some of the tests are in the post, and several were on … Continue reading →

Posted in Politics, Science | Tagged , , , , , , | 1 Comment

URL right

Posted on 26/04/2020 by Jon Butterworth

I changed the title of my previous post, because I was worried it would mislead people, or at best look like a crap pun. It was originally called “A boost in testing times”. The potentially misleading — and entirely unintentional … Continue reading →

Posted in Politics, Rambling, Writing | Tagged , , | Comments Off on URL right

A boost in trying times

Posted on 25/04/2020 by Jon Butterworth

My first ever blog post was about measuring the Higgs boson when it is produced with very high momentum and decays to b-quarks. When that happens, all the decay products of the Higgs appear in a single “jet” of particles. … Continue reading →

Posted in Particle Physics, Physics, Science | Tagged , , , , , , , , | 1 Comment

Today I Learned

Posted on 19/04/2020 by Jon Butterworth

Hampstead Heath Constabulary appear to have taken on the role of personal trainers to the community. As I took my officially-sanctioned exercise (stroll) today, one of them was driving very slowly along the paths wide enough to accommodate his car, … Continue reading →

Posted in Rambling, Silly | Tagged , , , | 1 Comment