Nicolas Berger
@nberger1999.bsky.social
Reposted by Nicolas Berger
Heavy, energetic and fast-decaying — the #topquark’s properties make it an incredible tool for searching for new particles at high energy. Using an ingenious new technique, ATLAS physicists at @cern.bsky.social are now exploring single-top collisions with high precision ⤵️ atlas.cern/Updates/Brie...
Transforming sensitivity to new physics with single-top-quark events
The top quark, the heaviest known elementary particle, has captivated physicists since its discovery in the 1990s and holds a privileged place within the Standard Model of particle physics. It has a v...
atlas.cern
December 4, 2025 at 10:04 PM
Heavy, energetic and fast-decaying — the #topquark’s properties make it an incredible tool for searching for new particles at high energy. Using an ingenious new technique, ATLAS physicists at @cern.bsky.social are now exploring single-top collisions with high precision ⤵️ atlas.cern/Updates/Brie...
Reposted by Nicolas Berger
The LSND anomaly has been extremely dubious for a long time. Hopefully this puts things more to bed.
As a side note, always nice to see null results getting published in top journals.
As a side note, always nice to see null results getting published in top journals.
Search for light sterile neutrinos with two neutrino beams at MicroBooNE - Nature
Data obtained from the MicroBooNE liquid-argon time projection chamber are used to exclude the single light sterile neutrino interpretation of the LSND and MiniBooNE anomalies at the 95% confidence le...
www.nature.com
December 3, 2025 at 5:38 PM
The LSND anomaly has been extremely dubious for a long time. Hopefully this puts things more to bed.
As a side note, always nice to see null results getting published in top journals.
As a side note, always nice to see null results getting published in top journals.
Reposted by Nicolas Berger
‘Tis the season for #DarkMatter 🎃
Today’s #PhotoOfTheWeek highlights Halloween Jack-o'-lanterns in the ATLAS Control Room.
One pumpkin features a schematic of the @atlasexperiment.bsky.social, and the other a dark-matter candidate event display.
Today’s #PhotoOfTheWeek highlights Halloween Jack-o'-lanterns in the ATLAS Control Room.
One pumpkin features a schematic of the @atlasexperiment.bsky.social, and the other a dark-matter candidate event display.
November 5, 2025 at 8:59 AM
‘Tis the season for #DarkMatter 🎃
Today’s #PhotoOfTheWeek highlights Halloween Jack-o'-lanterns in the ATLAS Control Room.
One pumpkin features a schematic of the @atlasexperiment.bsky.social, and the other a dark-matter candidate event display.
Today’s #PhotoOfTheWeek highlights Halloween Jack-o'-lanterns in the ATLAS Control Room.
One pumpkin features a schematic of the @atlasexperiment.bsky.social, and the other a dark-matter candidate event display.
Reposted by Nicolas Berger
In honor of the upcoming #WomenInPhysics Day, let's create a thread of amazing women physicists. I'll start with one my favorites, Chien-Shiung Wu, who is best known for conducting the Wu experiment, which proved that parity is not conserved. ⚛️ 🧪 👩🔬 🎢
November 4, 2025 at 10:54 PM
In honor of the upcoming #WomenInPhysics Day, let's create a thread of amazing women physicists. I'll start with one my favorites, Chien-Shiung Wu, who is best known for conducting the Wu experiment, which proved that parity is not conserved. ⚛️ 🧪 👩🔬 🎢
Reposted by Nicolas Berger
Academics in Assyria in the 7th c BC complain that admin is preventing them from doing research and teaching
November 3, 2025 at 10:04 AM
Academics in Assyria in the 7th c BC complain that admin is preventing them from doing research and teaching
“Although our proposal that CEPC be included in the next five-year plan was not successful, IHEP will continue this effort, which an international collaboration has developed for the past 10 years,” says study leader Wang Yifang of IHEP in Beijing
cerncourier.com/a/cepc-matur...
cerncourier.com/a/cepc-matur...
CEPC matures, but approval is on hold – CERN Courier
The Circular Electron–Positron Collider (CEPC), a 100-km electron–positron “Higgs factory” proposed in China, has reached the technical-design stage but will not be included for approval or constructi...
cerncourier.com
October 26, 2025 at 7:22 PM
“Although our proposal that CEPC be included in the next five-year plan was not successful, IHEP will continue this effort, which an international collaboration has developed for the past 10 years,” says study leader Wang Yifang of IHEP in Beijing
cerncourier.com/a/cepc-matur...
cerncourier.com/a/cepc-matur...
Reposted by Nicolas Berger
No large particle collider in China in the near future. "CEPC will not be considered for inclusion in China’s next five-year plan (2026–2030)" ⚛️🧪 cerncourier.com/a/cepc-matur...
CEPC matures, but approval is on hold – CERN Courier
The Circular Electron–Positron Collider (CEPC), a 100-km electron–positron “Higgs factory” proposed in China, has reached the technical-design stage but will not be included for approval or constructi...
cerncourier.com
October 26, 2025 at 4:58 PM
No large particle collider in China in the near future. "CEPC will not be considered for inclusion in China’s next five-year plan (2026–2030)" ⚛️🧪 cerncourier.com/a/cepc-matur...
Reposted by Nicolas Berger
Wow. Harvard nuking its PhD programs
- Science PhD admissions reduced by more than 75%
- Arts & Humanities reduced by about 60%
- Social Sciences by 50–70%
- History by 60%
- Biology by 75%
- The German department will lose all PhD seats
- Sociology from six PhD students to zero
- Science PhD admissions reduced by more than 75%
- Arts & Humanities reduced by about 60%
- Social Sciences by 50–70%
- History by 60%
- Biology by 75%
- The German department will lose all PhD seats
- Sociology from six PhD students to zero
Harvard FAS Cuts Ph.D. Seats By More Than Half Across Next Two Admissions Cycles | News | The Harvard Crimson
The Faculty of Arts and Sciences slashed the number of Ph.D. student admissions slots for the Science division by more than 75 percent and for the Arts & Humanities division by about 60 percent for th...
www.thecrimson.com
October 21, 2025 at 5:11 PM
Wow. Harvard nuking its PhD programs
- Science PhD admissions reduced by more than 75%
- Arts & Humanities reduced by about 60%
- Social Sciences by 50–70%
- History by 60%
- Biology by 75%
- The German department will lose all PhD seats
- Sociology from six PhD students to zero
- Science PhD admissions reduced by more than 75%
- Arts & Humanities reduced by about 60%
- Social Sciences by 50–70%
- History by 60%
- Biology by 75%
- The German department will lose all PhD seats
- Sociology from six PhD students to zero
Reposted by Nicolas Berger
SCIENCE POLICY NEWS:
During Yom Kippur, all the members of the High Energy Physics Advisory Committee (HEPAP), myself included, received a letter thanking us for our service and telling us essentially that the almost 40 yo standing federal advisory committee was no more. ⚛️🧪🔭
Why that matters 🧵
During Yom Kippur, all the members of the High Energy Physics Advisory Committee (HEPAP), myself included, received a letter thanking us for our service and telling us essentially that the almost 40 yo standing federal advisory committee was no more. ⚛️🧪🔭
Why that matters 🧵
DOE Consolidates Office of Science Advisory Committees
Six long-standing committees advising the Department of Energy’s Office of Science have been rolled into one.
www.aip.org
October 15, 2025 at 4:56 PM
SCIENCE POLICY NEWS:
During Yom Kippur, all the members of the High Energy Physics Advisory Committee (HEPAP), myself included, received a letter thanking us for our service and telling us essentially that the almost 40 yo standing federal advisory committee was no more. ⚛️🧪🔭
Why that matters 🧵
During Yom Kippur, all the members of the High Energy Physics Advisory Committee (HEPAP), myself included, received a letter thanking us for our service and telling us essentially that the almost 40 yo standing federal advisory committee was no more. ⚛️🧪🔭
Why that matters 🧵
Reposted by Nicolas Berger
Susumu Kitagawa, Richard Robson and Omar Yaghi, who developed a class of extremely porous materials known as metal-organic frameworks, have won this year’s Nobel Prize in Chemistry
go.nature.com/3VRBAv4
go.nature.com/3VRBAv4
Chemistry Nobel for team who developed massively porous ‘super sponge’ materials
Susumu Kitagawa, Richard Robson and Omar Yaghi pioneered the creation of metal-organic frameworks, which can capture and store molecules such as carbon dioxide.
go.nature.com
October 8, 2025 at 11:13 AM
Susumu Kitagawa, Richard Robson and Omar Yaghi, who developed a class of extremely porous materials known as metal-organic frameworks, have won this year’s Nobel Prize in Chemistry
go.nature.com/3VRBAv4
go.nature.com/3VRBAv4
Reposted by Nicolas Berger
Are there undiscovered particles that decay to a Higgs boson and something else? This #CMSPaper describes how we scanned the invariant mass spectrum, but did not find any signs (in very very few events, and this should be rare. We will do this again when we have more data) arxiv.org/abs/2508.11494
October 8, 2025 at 12:03 PM
Are there undiscovered particles that decay to a Higgs boson and something else? This #CMSPaper describes how we scanned the invariant mass spectrum, but did not find any signs (in very very few events, and this should be rare. We will do this again when we have more data) arxiv.org/abs/2508.11494
Reposted by Nicolas Berger
Since last year Physics swallowed Computer Science whole and the Nobel was given for machine learning, my list of plausible prizes remains unaltered.
Physics Nobels I would be pleased by:
Quantum info (Bennett, Shor...)
CMB anisotropy measurements (not sure who)
LHC/Higgs discovery (Evans, Giannotti...)
Systems biophysics (West, Bialek...)
Not predictions! And of course many other areas I don't know enough about to guess.
Quantum info (Bennett, Shor...)
CMB anisotropy measurements (not sure who)
LHC/Higgs discovery (Evans, Giannotti...)
Systems biophysics (West, Bialek...)
Not predictions! And of course many other areas I don't know enough about to guess.
October 6, 2025 at 2:15 PM
Since last year Physics swallowed Computer Science whole and the Nobel was given for machine learning, my list of plausible prizes remains unaltered.
Reposted by Nicolas Berger
1/ A rising telescope under a rising Sun and Moon! 🔭☀️🌕
This montage is a kaleidoscope of moments from the construction of our Extremely Large Telescope.
Creating this #ELT collage took Boris Häußler, an ESO astronomer in Chile, years of meticulous planning.
This montage is a kaleidoscope of moments from the construction of our Extremely Large Telescope.
Creating this #ELT collage took Boris Häußler, an ESO astronomer in Chile, years of meticulous planning.
September 15, 2025 at 7:02 AM
1/ A rising telescope under a rising Sun and Moon! 🔭☀️🌕
This montage is a kaleidoscope of moments from the construction of our Extremely Large Telescope.
Creating this #ELT collage took Boris Häußler, an ESO astronomer in Chile, years of meticulous planning.
This montage is a kaleidoscope of moments from the construction of our Extremely Large Telescope.
Creating this #ELT collage took Boris Häußler, an ESO astronomer in Chile, years of meticulous planning.
Reposted by Nicolas Berger
Are there undiscovered particles that decay to a Higgs boson and something else? This #CMSPaper describes how we scanned the invariant mass spectrum, but did not find any signs (in very very few events, and this should be rare. We will do this again when we have more data) arxiv.org/abs/2508.11494
September 14, 2025 at 12:03 PM
Are there undiscovered particles that decay to a Higgs boson and something else? This #CMSPaper describes how we scanned the invariant mass spectrum, but did not find any signs (in very very few events, and this should be rare. We will do this again when we have more data) arxiv.org/abs/2508.11494
Reposted by Nicolas Berger
Wow. Check this out.
Politicians actually trying to solve problems can achieve a lot!
www.washingtonpost.com/climate-solu...
Politicians actually trying to solve problems can achieve a lot!
www.washingtonpost.com/climate-solu...
Paris said au revoir to cars. Air pollution maps reveal a dramatic change.
Air pollution fell substantially as the city restricted car traffic and made way for parks and bike lanes.
www.washingtonpost.com
August 30, 2025 at 9:15 PM
Wow. Check this out.
Politicians actually trying to solve problems can achieve a lot!
www.washingtonpost.com/climate-solu...
Politicians actually trying to solve problems can achieve a lot!
www.washingtonpost.com/climate-solu...
Reposted by Nicolas Berger
The LIGO-Virgo-KAGRA (LVK) Collaboration has detected the merger of the most massive black holes ever observed with gravitational waves using the US National Science Foundation (NSF)-funded LIGO observatories.
www.caltech.edu/about/news/l...
www.caltech.edu/about/news/l...
LIGO Detects Most Massive Black Hole Merger to Date
Gravitational waves from massive black holes challenge current astrophysical models
www.caltech.edu
July 22, 2025 at 9:03 PM
The LIGO-Virgo-KAGRA (LVK) Collaboration has detected the merger of the most massive black holes ever observed with gravitational waves using the US National Science Foundation (NSF)-funded LIGO observatories.
www.caltech.edu/about/news/l...
www.caltech.edu/about/news/l...
Reposted by Nicolas Berger
This is just a partial glimpse of the destruction of American science by Trump and the GOP.
May 18, 2025 at 7:25 PM
This is just a partial glimpse of the destruction of American science by Trump and the GOP.
Reposted by Nicolas Berger
🚨🚨 Breaking: NSF director to resign amid grant terminations, job cuts, and controversy
“I have done all I can”
Well fuck, this would seem to accelerate DOGE control at NSF…
“I have done all I can”
Well fuck, this would seem to accelerate DOGE control at NSF…
Exclusive: NSF director to resign amid grant terminations, job cuts, and controversy
“I have done all I can,” says Sethuraman Panchanathan, a Trump appointee who has led agency since 2020
www.science.org
April 24, 2025 at 6:45 PM
🚨🚨 Breaking: NSF director to resign amid grant terminations, job cuts, and controversy
“I have done all I can”
Well fuck, this would seem to accelerate DOGE control at NSF…
“I have done all I can”
Well fuck, this would seem to accelerate DOGE control at NSF…
Reposted by Nicolas Berger
Science is reporting that DOGE is at NSF. www.science.org/content/arti...
NSF halts grant awards while staff do second review
Action comes after DOGE team arrives at science agency
www.science.org
April 16, 2025 at 9:35 PM
Science is reporting that DOGE is at NSF. www.science.org/content/arti...
Reposted by Nicolas Berger
This is our boss Andreas Hoecker in an unusual tux, accepting the Breakthrough Prize right now, on behalf of us
@atlasexperiment.bsky.social
members ! Proud !
Now, now, not happy to see Jeff and Zuck on stage, and no words about the extraordinary attack on science on-going right now in the US.⚛️🧪
@atlasexperiment.bsky.social
members ! Proud !
Now, now, not happy to see Jeff and Zuck on stage, and no words about the extraordinary attack on science on-going right now in the US.⚛️🧪
April 12, 2025 at 7:53 PM
This is our boss Andreas Hoecker in an unusual tux, accepting the Breakthrough Prize right now, on behalf of us
@atlasexperiment.bsky.social
members ! Proud !
Now, now, not happy to see Jeff and Zuck on stage, and no words about the extraordinary attack on science on-going right now in the US.⚛️🧪
@atlasexperiment.bsky.social
members ! Proud !
Now, now, not happy to see Jeff and Zuck on stage, and no words about the extraordinary attack on science on-going right now in the US.⚛️🧪
Reposted by Nicolas Berger
April 1, 2025 at 12:35 PM