You're reading the public-facing archive of the Category Theory Zulip server.
To join the server you need an invite. Anybody can get an invite by contacting Matteo Capucci at name dot surname at gmail dot com.
For all things related to this archive refer to the same person.
Paolo Perrone (Apr 08 2021 at 08:28):If you, like me, are wondering what's going on with muons, here's a rather clean explanation by Jorge Cham (PHD Comics), suitable for laypeople too:
https://physics.aps.org/articles/v14/47
Paolo Perrone (Apr 08 2021 at 08:30):
Morgan Rogers (he/him) (Apr 08 2021 at 10:27):Love it! Having heard it on Daniel and Jorge explain the universe, the comic is a very clear rendering!
JS PL (he/him) (Apr 08 2021 at 10:32):Awesome! Thanks for sharing @Paolo Perrone
Javier Prieto (Apr 08 2021 at 11:26):For a more in-depth but still accessible take, Quanta is good as usual: https://www.quantamagazine.org/muon-g-2-experiment-at-fermilab-finds-hint-of-new-particles-20210407/
And if that doesn't sate your hunger for muon-related hints at new physics, this LHCb paper from last week is also relevant: https://resonaances.blogspot.com/2021/03/thoughts-on-rk.html
John Baez (Apr 08 2021 at 15:24):For a bit more info, still quite readable, try this:
John Baez (Apr 08 2021 at 15:27):This makes it clear that one calculation of the muon's magnetic moment is quite far from what the experiment sees (in terms of standard deviations), while another is closer. So a lot of this boils down to which calculation we trust.
John van de Wetering (Apr 08 2021 at 19:44):For the more audiovisually inclined, there is also the following excellent explainer by one of my favorite youtube channels: https://www.youtube.com/watch?v=O4Ko7NW2yQo
