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.

Ten years after the “Big Bang”

Ten years ago it was Wednesday, and at 10:28 in the morning Geneva time the first protons had just made the 27 km journey through the Large Hadron Collider at CERN. The media referred to it as “Big Bang Day”, and … Continue reading

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Anti-protons, Dark Matter and Helium

First post of “Postcards from the Energy Frontier” at the Cosmic Shambles Network. A new measurement at CERN tells us something about the way particles travel through interstellar space. Which in turn may help a satellite on the International Space … Continue reading

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Geneva Monopoly

Just returned from a couple of weeks at CERN. Saw this in Geneva and had to buy it – you can probably tell why.

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First ever acceleration of electrons in a proton-driven plasma wave

Turning out to be a busy August in physics. This breakthrough was just published in Nature: Nature news and the paper itself (open access, hurrah!). Really nice, extensive summary from CERN by Achintya Rao As you can see from the Nature News … Continue reading

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