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matheus-hostert.bsky.social
Particle physicist, neutrinos, dark matter, Brazil, black cats, and more. mhostert.com
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"Not The Eagles man"

submitted 23 days ago • 0 comments

New and final Muon g-2 experimental result for the anomalous magnetic moment of the muon @fermilab.bsky.social: aµ(exp-avg) = 116 592 0715(145) × 1e−12 (124 ppb) We are now seeing results quoted with a 10^-12 exponent instead of 10^-11. Clear progress! muon-g-2.fnal.gov/result2025.pdf

submitted 26 days ago • 0 comments

New course this Fall @ the University of Iowa. Should be a lot of fun!

submitted 67 days ago • 0 comments

indico.fnal.gov/event/68891/ We have extended the deadline to apply for the 2025 edition of the International Neutrino Summer School! INSS 2025 @ Fermilab August 11-22 2025

submitted 69 days ago • 0 comments

The International Neutrino Summer School (INSS) 2025 will be held at Fermilab from Aug 11 - 22. Please share with interested graduate students! We are building a great line-up of lecturers this year. indico.fnal.gov/event/68891/

submitted 80 days ago • 0 comments

KM3NeT xkcd.com/3053

submitted 130 days ago • 225 comments

Almost 5 years in the making, here's the first search for dark sectors with e+e- at MicroBooNE!

submitted 135 days ago • 2 comments

This is a very exciting development for our field 🧪⚛️ The energy of this neutrino event is so high that the COM energy of the collision is close to LHC energies! It would not have been visible if it didn't come from close to the horizon. The Earth is opaque to it. Congrats @km3net.bsky.social!

submitted 137 days ago • 0 comments

📢KM3NET DETECTS THE HIGHEST ENERGY NEUTRINO EVER OBSERVED This #KM3NeT_UHE event KM3-230213A is estimated to have a record neutrino energy of 220 PeV, or 220 million billion electronvolts ➡️For details: www.km3net.org/km3net-webin... #RecordNeutrino

submitted 137 days ago • 7 comments

We had a great Theory-Experiment Joint Seminar at Fermilab yesterday by MicroBooNE. Their new results on neutrino production of single photons are all here: microboone.fnal.gov/single-photo.... The MiniBooNE saga continues, but this feels like a good step forward.

submitted 141 days ago • 0 comments

Big news coming to the world of neutrino astrophysics? 🧪⚛️🔭⭐

submitted 144 days ago • 1 comment

Is @deepseek.bsky.social down?

submitted 151 days ago • 0 comments

⚛️🧪 At my Responsible Conduct in Research training I learned about the Mertonian norms of science (en.wikipedia.org/wiki/Mertoni...). It is funny how big science and competition has produced an environment that so often goes directly against these.

submitted 158 days ago • 2 comments

I just learned that Elsevier, the publishing company, has had a year over year profit margin between 30-40% for the past decade. That's more than most big tech companies like Google and Microsoft. Think about that next time you hit a paywall.

submitted 165 days ago • 0 comments

New paper and one more reason why muon colliders are such unique machines. arxiv.org/abs/2412.14115 Imagine if @atlasexperiment.bsky.social and @cmsexperiment.bsky.social were popping with neutrino interactions at a rate of kilohertz! This was a lot of fun and was led by Luc, an UG at Harvard!

submitted 192 days ago • 0 comments

Seeing the US media discover the concept of a hostel and sharing a room with strangers is pretty funny.

submitted 204 days ago • 0 comments

The NA62 experiment @ CERN just saw the decay of a kaon (K -> numu + mu) using both the muon and the neutrino. arxiv.org/abs/2412.04033 This is a major flex and likely the first time it's ever done. 🧪

submitted 205 days ago • 1 comment

This is a real thing in accelerator physics.

submitted 207 days ago • 1 comment

We have a 2-year postdoc position in astroparticle physics, to work with us at the Institut d'Astrophysique de Paris. More information here: inspirehep.net/jobs/2853902

submitted 208 days ago • 0 comments

Why. It won't come off, either. Why.

submitted 209 days ago • 0 comments

I am hiring a postdoc in particle phenomenology for 2025 @ the University of Iowa. Description below. Iowa City is a very nice college town and this position will come with lots of opportunity for growth and collaboration. Please reach out if you have any questions! inspirehep.net/jobs/2834239

submitted 209 days ago • 0 comments

My first Xmas re-Tree-val.

submitted 212 days ago • 0 comments

We got picked as an Editor's Suggestion article and I spent more time than I am willing to admit on this diagram. You can now enjoy it in its 200p resolution online... journals.aps.org/prd/abstract...

submitted 216 days ago • 1 comment