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Laura Baudis @lbaudis.bsky.social · 10/10/2026

“What once seemed extraordinarily ambitious is now a new way of observing the Universe”

Reposted by Laura Baudis

EMILY WILSON @emilyrcwilson.bsky.social · 08/10/2026

Many congratulations to Anne Carson for the well-deserved Nobel Prize! This is also great news for Translation, Classics, Poetry, the breaking of generic and disciplinary boundaries, and the fact that you don't have to fit a pre-existing mould to have a brilliant, successful career.

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Laura Baudis @lbaudis.bsky.social · 08/10/2026

Very good news regarding the Nobel Prize in Literature - the Canadian author Anne Carson is one of my favourite poets! Here from her book “If Not, Winter: Fragments of Sappho” "stars around the beautiful moon hide back their luminous form whenever all full she shines on the earth silvery"

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Laura Baudis @lbaudis.bsky.social · 07/10/2026

Back at LNGS and in L’Aquila. Beautiful autumn colors. Everyone in the city is curious about the Nobel Prize for neutrinos, and I do my best to explain it in Italian ;-)

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Reposted by Laura Baudis

John Beacom @johnbeacom.bsky.social · 06/10/2026

The 2026 Physics Nobel Prize to Francis Halzen is well deserved! I wrote the attached explainer for the public from the perspective of someone who has worked in this field and known Francis for decades. I welcome helping sharing it. Congratulations to Francis and all! medium.com/@beacom.7/ho...

medium.com

How Neutrinos, Which Barely Exist, Just Ran Off with a Nobel Prize — Again!

John Beacom (Ohio State University), with no assistance from AI

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Laura Baudis @lbaudis.bsky.social · 06/10/2026

Francis is always so kind and he was the first to congratulate me when I became an NAS member!

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Laura Baudis @lbaudis.bsky.social · 06/10/2026

Finally, needless to say, I am also very happy for neutrino physics today. To me, neutrinos are both difficult and endlessly fascinating. There are still so many open questions that we are trying to answer by observing the elusive neutrinos :-)

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Laura Baudis @lbaudis.bsky.social · 06/10/2026

Also, part of what makes today so special is the fact that the prize recognises not only a major discovery, but also the vision, persistence and courage needed to build such a large detector, and to create an entirely new way of observing the universe.

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Laura Baudis @lbaudis.bsky.social · 06/10/2026

I have known Francis for many years, and I am genuinely happy for him. His modesty and his excitement about physics is inspiring not only to me, but to many young, aspiring neutrino and astroparticle physicists.

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Laura Baudis @lbaudis.bsky.social · 06/10/2026

IceCube has clearly changed the way we look at the universe. For the first time, we can use high-energy neutrinos to trace some of the most extreme cosmic environments and to get closer to answering the century-old question of where cosmic rays come from.

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Laura Baudis @lbaudis.bsky.social · 06/10/2026

Francis, a wonderful human and colleague, had the vision to pursue an idea that was incredibly ambitious: to use a cubic kilometre of Antarctic ice as a telescope for neutrinos! And he didn’t give up until that idea became reality.

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Laura Baudis @lbaudis.bsky.social · 06/10/2026

I am so happy today for Francis Halzen and for the IceCube collaboration. The Nobel Prize for Francis, for IceCube, and for high-energy neutrino astronomy is very special for me, both scientifically and personally.

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Laura Baudis @lbaudis.bsky.social · 06/10/2026

Amazing news for neutrinos, and I am very happy for Francis and for the IceCube collaboration!

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Laura Baudis @lbaudis.bsky.social · 28/09/2026

It’s difficult to follow #ZFF given the recent start of the autumn semester. But it was so inspiring to listen to Naomi Watts yesterday, who very emotionally talked about her career at ZFF Masters, including her breakthrough with Mulholland Drive in 2001

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Laura Baudis @lbaudis.bsky.social · 19/09/2026

We were happy to host the XLZD collaboration meeting at the University of Zurich this summer :)

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Reposted by Laura Baudis

Knut Morå @knut.dundasmora.no · 01/09/2026

Exciting dark matter news from @lzdarkmatter.bsky.social ! We see one event consistent with a 248 keV nuclear recoil, in tension with our background model at 2.6 sigma. Paper is now available here: lz.lbl.gov/wp-content/u... 🧪⚛️

lz.lbl.gov

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Laura Baudis @lbaudis.bsky.social · 01/09/2026

Happy to be back in Geneva for the APPEC town meeting, which starts tomorrow morning. The meeting, attended also by colleagues from Canada, Japan and USA, aims to deliver the final input to the European Astroparticle Physics Strategy 2027–2036 indico.cern.ch/event/164860...

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Laura Baudis @lbaudis.bsky.social · 01/09/2026

Here is an article in UZH News about the new XENONnT result (in German): www.news.uzh.ch/de/articles/...

news.uzh.ch

Sonnenneutrinos

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Reposted by Laura Baudis

chipp-news.bsky.social @chipp-news.bsky.social · 01/09/2026

XENONnT: First Measurement of Low-Energy Solar Neutrinos Scattering off Electrons scnat.ch/en/id/bA7dW

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Laura Baudis @lbaudis.bsky.social · 01/09/2026

With XENONnT we observed solar pp neutrinos via neutrino-electron scattering. With an exposure of 2.46 t x y and electron recoil energies from 1 keV to 140 keV (probing neutrinos with energies down to 17 keV) the measured flux is (10.2±2.0)x10^10 cm^-2 s^-1. Read more at: arxiv.org/abs/2608.29450

The solar pp flux estimated from the inference results. Top: The best-fit result is shown as a solid red point. Also plotted are results from combining GALLEX/GNO and SAGE, Borexino, and PandaX-4T. The prediction from the B16-GS98 solar model is indicated by a vertical grey dashed line. Bottom: Log likelihood ratio as a function of the solar pp-flux. Dashed lines indicate different significance levels.

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Laura Baudis @lbaudis.bsky.social · 31/08/2026

The manuscript is now available at this link: xenonexperiment.org/wp-content/u...

xenonexperiment.org

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Reposted by Laura Baudis

Knut Morå @knut.dundasmora.no · 31/08/2026

Good job @xenonnt.bsky.social observing solar pp neutrinos! XLZD-collaborative watch party in Zurich :)

Xenon and LZ Zurich groups on some sofas

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Laura Baudis @lbaudis.bsky.social · 30/08/2026

Not sure how I "performed" but the dancers were very cool #Scientifica

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Laura Baudis @lbaudis.bsky.social · 30/08/2026

Tomorrow, August 31 at 4 pm CEST, the XENON Collaboration will host a live presentation about new findings from the XENONnT experiment. You can learn more at agenda.infn.it/event/53372/. Please note that registration is required for the event!

A picture of the XENONnT experiment underground at LNGS.

The announcement for the new results from XENONnT.

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Laura Baudis @lbaudis.bsky.social · 30/08/2026

5) Important to believe in experimental data without any bias 6) Interactions between theoretical and experimental physicists are very important 7) Sometimes basic research takes time (lesson for funding agencies!)

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Laura Baudis @lbaudis.bsky.social · 30/08/2026

The most relevant lessons: 1) Crazy ideas are important 2) Kamiokande started as proton-decay experiment, then observed solar and later also SN neutrinos 3) Expertise from two collaborations was needed for the success of Super-K 4) The background (neutrinos) became an important signal for Super-K

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Laura Baudis @lbaudis.bsky.social · 29/08/2026

If you’re in Zurich, today I will discuss dark matter, my collaboration with an artist, and eventually my thoughts on fashion before the fashion performance at the @ethz.ch Polyterrasse. This is part of Scientifica, Switzerland’s largest science festival: scientifica.ch/event/art-x-...

scientifica.ch

Fashion Performance: Wie Forschung zu tragbaren Kleidern wird - Scientifica

Ein angenehm tragbarer Stricksweater, der auf kritische Menschenrechtsfragen hinweist? Eine luftige Jacke, deren Ursprung in der Zellbiologie liegt? Ein Pullover, der die Grundgesetzte der Astrophysik...

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Laura Baudis @lbaudis.bsky.social · 20/08/2026

Last week in A Coruña, on the Monday before the total solar eclipse, Kajita-san gave a nice talk on lessons learned from Kamiokande and from Super-K: indico.cern.ch/event/156136...

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Laura Baudis @lbaudis.bsky.social · 12/08/2026

Clouds, but magical nonetheless

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Laura Baudis @lbaudis.bsky.social · 12/08/2026

Will it be cloudy this evening? Either way, the view hier in A Coruña is beautiful :)

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Laura Baudis @lbaudis.bsky.social · 25/07/2026

Oh the faculty meetings. “It was a power struggle, but over what?…” Page 210 in Margaret Atwood’s “Book of Lives. A Memoir of Sorts”, a book I wish would never end

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Laura Baudis @lbaudis.bsky.social · 23/07/2026

Interesting pictogram at Lago di Carassina. It seems so harmless from the outside

Picture of Lago di Carassina in Ticino, at 1707 m above sea level

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Laura Baudis @lbaudis.bsky.social · 13/07/2026

Nice! and then there’s HyperK, not very deep but a very large underground cavern

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Reposted by Laura Baudis

Sesh Nadathur @seshnadathur.bsky.social · 09/07/2026

This is a good write up of the Nature anisotropy paper debacle. But while Sawala is right that it's unfair to the referees to expect them to have caught the big "elemental" mistake in the paper, he's also being very generous - there is another important error that the referees *should* have caught.

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Laura Baudis @lbaudis.bsky.social · 04/07/2026

We just ended a weeklong, very constructive XLZD collaboration meeting in the beautiful main building of the University of Zurich. This year, we also welcomed 11 new Canadian groups who joined the project, strengthening our double beta decay expertise!

A picture of the XLZD collaboration in front of the UZH Main Building

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Reposted by Laura Baudis

Physics Today @physicstoday.aip.org · 26/06/2026

Cosmic rays can be a window into exciting experiments in physics, astrophysics, and atmospheric science. Cheap, easy-to-use muon detectors are bringing cosmic-ray studies to high schools and colleges worldwide.

physicstoday.aip.org

Muon detectors for the people!

The specialized devices are democratizing access to cosmic-ray experiments.

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Laura Baudis @lbaudis.bsky.social · 26/06/2026

Interesting read: arxiv.org/abs/2605.17534

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Reposted by Laura Baudis

Randall Munroe @xkcd.com · 26/06/2026

Baryon Asymmetry xkcd.com/3263/

4-panel comic. (1) [Person floating near glowing black ball] PERSON: So you’re the creator of the universe? CREATOR: That’s me! So, got any questions? (2) PERSON: Oh man, so many. What’s the reason for baryon asymmetry? Why is most of the universe matter and not antimatter? (3) CREATOR: Crap. Did I forget the antimatter? One sec, let me just... (4) [explosions everywhere with “BOOM” sound effect]

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Laura Baudis @lbaudis.bsky.social · 18/06/2026

Our school this week also has a nice view ;)

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Laura Baudis @lbaudis.bsky.social · 06/05/2026

Hm, no distractions allowed during Xenoscope data taking ;-)

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Laura Baudis @lbaudis.bsky.social · 03/05/2026

I am "Shifter 2" this long and sunny weekend (fortunately for me. together with a nice postdoc who knows everything) and so far, Xenoscope is behaving (& I wake up several times per night to peek at the temperatures and pressures ;-)

The Slow Control screen for Xenoscope, a 350-400 kg liquid xenon experiment at UZH

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Laura Baudis @lbaudis.bsky.social · 30/04/2026

Very happy to be back in New York and visit Columbia University for a colloquium and discussions with my XENON colleagues

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Reposted by Laura Baudis

National Academy of Sciences @nasonline.org · 24/04/2026

🎉The 163rd NAS Annual Meeting starts today!🎉 Join us online as we welcome new members, spotlight their research, explore the future of ocean health, & celebrate scientific achievement. Follow our coverage + tune into live webcasts all weekend: www.nasonline.org/annual-meeti... #NAS163

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Laura Baudis @lbaudis.bsky.social · 25/04/2026

I met a smart guy here in DC ;-)

Albert Einstein memorial on Constitution Avenue

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Laura Baudis @lbaudis.bsky.social · 20/04/2026

Congratulations Ben! Very good news :)

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Laura Baudis @lbaudis.bsky.social · 18/04/2026

New paper in PRC: with data from XENONnT, we measured the 214-Bi β-decay spectrum to the ground state of 214-Po, a first-forbidden non unique decay. The prediction based on the conserved vector current (CVC) hypothesis yields the best description of the data: journals.aps.org/prc/abstract...

Decay scheme of 214Bi to 214Po and subsequently to
210Pb. The diagram shows β-decays from 214Bi (left) either directly
to the ground state (g.s.) or via excited states of 214Po (center).
Approximately 80 excited nuclear states are accessible during the
decay (symbolically represented). All these excited states deexcite
via γ-decay emissions (red arrows), always including at least one
transition greater than 609 keV. The final step is the α decay of 214Po
(black arrow) directly to the stable ground state of 210Pb (right).

Comparison of the experimental data from XENONnT with the CVC theoretical spectrum (filled histogram).

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Reposted by Laura Baudis

EarthSky @earthskyscience.bsky.social · 16/04/2026

Bartlomiej Grzywacz in Poland captured #Comet R3 PanSTARRS low above the horizon on Thursday. Thank you, Bartlomiej! ☄️🔭📸 buff.ly/ROtbCaj Have you seen #Comet R3 PanSTARRS yet? See more pics of the comet and a finder chart: buff.ly/0iBbMTv

A comet with a bluish head and long, thin tail against background stars.

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Laura Baudis @lbaudis.bsky.social · 15/04/2026

If you're in Zurich, join us for today's physics colloquium, by Marie-Cécile Piro, on detecting the invisible! colloquium.phys.ethz.ch/programme/cu...

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