Focus: Why are bubbles round?

Posted on 06/08/2021 by Jon Butterworth

I may not have added to this blog for quite some time, but I have been writing… For example, there was this paper on LHC data and composite Dark Matter.

Perhaps more accessibly, I have been writing some little physics explainers for BBC Science Focus. Here is the first: Why are bubbles round? (yes they probably asked Helen Czerski first but I expect she’s busy…)

Also I will be talking to Helen, and Robin, and Clara, on Sunday for Cosmic Shambles. We will be talking about the legacy of the great Steven Weinberg, who I was privileged to meet once at the this meeting. Don’t miss us on Cosmic Shambles:

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Muon g-2

Posted on 08/04/2021 by Jon Butterworth

Obviously the big thing this week is the new measurement of the anomalous magnetic moment of the muon, at Fermilab.

I’ve written about this experiment a few times before, see these articles. I haven’t had time to write anything about the new result yet, and maybe I will now wait until the dust settles a bit. I did talk to Ian Taylor at BBC Science Focus, and he wrote that up as a “Bluffer’s Guide”, which you might find useful and/or interesting.

The magnet arriving, somewhat portentiously, at Fermilab in 2013 Photograph: Fermilab
The magnet arriving, somewhat portentiously, at Fermilab in 2013 Photograph: Fermilab

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A growing anomaly

Posted on 23/03/2021 by Jon Butterworth

The LHCb experiment at the CERN Large Hadron Collider (LHC) today released an update of a measurement that many of us physicists have been keeping a close eye on for quite some time.

At the Cosmic Shambles Network

https://twitter.com/jonmbutterworth/status/1375829893053882368

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War Poetry

Posted on 20/03/2021 by Jon Butterworth

The marching band came down along Main Street
The soldier blues fell in behind

O it was sad enough, weak enough, mad enough,
Light in their loving as soldiers can be.
First to risk choosing them, leave alone losing them
Now, in far battle, beyond the South Sea!

Continue reading →
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