Matt LeBlanc

Congratulations to the class of 2025! 🎓🎉@brownphysics.bsky.social

A beautiful @cmsexperiment.bsky.social event to kick off 2025 data taking at the @cern.bsky.social LHC!

Tomorrow's lecture in my class is about pitfalls to avoid when designing figures -- quite a fun topic to prepare! 🧪

I think that it's great that the names of every author from the collaborations when the selection was made are individually listed on the prize's website. See if you can find someone you know!

Breakthrough Prize – Breakthrough Prize Announces 2025 Laureates in Life Sciences, Fundamental Physics, and Mathematics

Honoured to learn that I -- alongside >13k of my close colleagues from @cern.bsky.social's @atlasexperiment.bsky.social, @cmsexperiment.bsky.social, @lhcb.bsky.social and ALICE Experiment -- was awarded the 2025 Breakthrough Prize in Fundamental Physics! Congrats all!

breakthroughprize.org/News/91

Do you want to learn more about the @cmsexperiment.bsky.social at @cern.bsky.social? Join the virtual visit starting in ~20 minutes on youtube to get a live tour of the detector cavern and have your science questions answered! 🧪🔬→ www.youtube.com/@CMSExperiment

… and today, another @ippog.bsky.social masterclass! With six high school classes, we discussed proton structure, jets, and how AI intersects with particle physics. It was a treat to moderate the VC with one of @atlasexperiment.bsky.social’s most ‘heavy metal’ physicists, Martin Rybar!🧪🔬

I was happy to host an @ippog.bsky.social particle physics masterclass VC today! High school students from Poland & Greece compared LHC data analyses, and asked about life working at @cern.bsky.social. 🧪🔬

We discussed positive impacts of HEP on society, incl. medical technologies like PET scans!

A most wonderful letter 🧪
Looked too perfect to be true, so I checked the source (einsteinpapers.press.princeton.edu/vol8-trans/34) - it is true! Originally in German.
Additional historical context by @mariapopova.bsky.social here: www.themarginalian.org/2016/04/19/e...

A screenshot of unicodeit.net that shows conversion from LaTeX syntax to unicode symbols.

I once again want to plug one of the 'simple tool' websites I use the most when prepping #physics talks and lectures: www.unicodeit.net, made by @svenkreiss.bsky.social and Kyle Cramner.

I don't even know how to open the equation editor on my computer, and I hope that I never will! 🧪

A schematic of the plum pudding model of the atom and a photo of plum pudding are presented in the top frame, with the caption "Corporate needs you to find the differences between this picture and this picture." In the bottom frame, J. J. Thompson says "They're the same picture."

I took advantage of the holiday weekend to get some lecture prep done, and clearly made the most of it. 🧪

I always enjoy learning about the efforts to photograph large-scale experiments like Dune -- not only was this was a great read, but the photos are amazing! Like a sci-fi movie, only real! 🧪📸

A selection of physicists involved in the subject’s development during the early 20th century, carefully stylized as the Taylor Swift Eras tour poster.

Getting ready to teach some Modern Physics this term … 🧪

Nova Scotian sunrise 🌅🦞🇨🇦

a woman is standing in front of a crowd of people and says boo ! boo ! ALT: a woman is standing in front of a crowd of people and says boo ! boo !

me: "my father was a fisherman; now I teach people about fission!"
my physics class:

The cover of the July-August 1975 issue of the CERN Courier, which shows a 2d histogram made from lego bricks to visualise data from an experiment at CERN.

The original @cern.bsky.social x Lego collab? 🧪
From the cover of the July-August 1975 CERN Courier:
"[...] a 3D representation of the data from a recent search for charmed particles."

Getting ready for the kick-off event for CERN’s 70th anniversary this year, a set of discussions about art & science. You can follow along online here! www.youtube.com/live/JNPnrfQ...

Today is my first day as research faculty at Brown! Getting settled in, need to next bring in some books and plants … 📚

Snowy lunch at #CERN today! ☃️

A selfie, where I am standing in front of the "gluonstrasse" sign at DESY grinning

I had a great time at DESY this week learning about the bleeding-edge of AI in particle physics at #ML4Jets2023! Many thanks to the organisers @GregorKasieczka, @freyablekman, & all for their hospitality! 🔬🎉🤖🧪

Photo of the ATLAS inner detector under construction.

The ATLAS Experiment always takes particle physics into uncharted territories — Hi Bluesky! 👋

The Matterhorn reflected in the Riffelsee

Saturday morning hike in Zermatt ... ⛰

There's also the currently-dormant atlasexperiment.bsky.social !

Machine learning is revolutionising our understanding of particle “jets” What happens when – instead of recording a single particle track or energy deposit in your detector – you see a complex collection of many particles, with many tracks, that leaves a large amount o...

Complex particle jets at the LHC lend themselves to AI algorithms 🤖, which can distill lots of info into accurate decisions.

This week, @ATLASexperiment presented 4 new results about jet tagging w/ AI at #BOOST23! 🎉

You can learn more here:
https://atlas.cern/Updates/Briefing/Boosting-Jets-AI 🧪

An animated gif of signals in the ATLAS experiment liquid argon calorimeter at the Large Hadron Collider. Signals are shown for all cells, then with noise-suppressing clustering, then with an additional requirement on calorimeter timing information.

Getting high-quality signals w/o noise from pile-up is one of the biggest experimental challenges at the #LHC. We're improving @ATLASexperiment reconstruction in #Run3 w/ timing information⏰ and #AI🤖, presented this week at #BOOST23! learn more: https://atlas.cern/Updates/Briefing/Signal-Noise 🧪

Summary of new ATLAS results from BOOST 2023 The 15th International Workshop on Boosted Object Phenomenology, Reconstruction, Measurements, and Searches at Colliders (BOOST 2023) kicks off today in Lawrence Berkeley National Lab, California (USA...

#BOOST23 is happening this week! I'm at @BerkeleyLab talking about jets, substructure, QCD, AI/ML & more with experts from theory & experiment! @ATLASexperiment is showing many new, jetty results 🎉 -- you can find them summarized here!

atlas.cern/Updates/News/Sum... 🧪

A palm tree and a pink flower tree through the open roof of a terrace

Arrival in California 🌴🌺🌁

An event display of an event with four jets in the ATLAS Detector at the Large Hadron Collider

And because good things often come in pairs at the LHC, please enjoy this second event display of another would-be-signal-candidate! 🧪✌️✌️

For the connoisseurs : this is the distribution of events in the search in the m4j-<m2j> plane... 🧪

An event display of a spectacular event with four jets in the ATLAS detector at the Large Hadron Collider.

It was a lot of fun to work on a search again! We didn't see any significant 4-jet resonances in the
@ATLASexperiment
Run 2 data, but if we had, it could have looked something like this. You can read about this search today on the
@arxiv : https://arxiv.org/abs/2307.14944 (🎉🎉)(🎉🎉) 🧪