Alexey Petrov
@alexeypetrov.bsky.social
Theoretical particle physicist, University professor, book author, and sometimes blogger. Now a Department Chair at USC!
New paper! This is a review article prepared for the upcoming Encyclopedia of Particle Physics. 🧪
inspirehep.net/literature/3...
inspirehep.net/literature/3...
November 14, 2025 at 4:26 PM
New paper! This is a review article prepared for the upcoming Encyclopedia of Particle Physics. 🧪
inspirehep.net/literature/3...
inspirehep.net/literature/3...
New paper! Together with Arnau Bas i Beneito and Svjetlana Fajfer we study baryon number violating mixing of a Lambda baryon with its antiparticle. We show that indirect constraints on Lambda-antiLambda oscillations preclude its observation at colliders. 🧪
inspirehep.net/literature/3...
inspirehep.net/literature/3...
November 11, 2025 at 7:55 PM
New paper! Together with Arnau Bas i Beneito and Svjetlana Fajfer we study baryon number violating mixing of a Lambda baryon with its antiparticle. We show that indirect constraints on Lambda-antiLambda oscillations preclude its observation at colliders. 🧪
inspirehep.net/literature/3...
inspirehep.net/literature/3...
Big news: China will not include Circular Electron-Positron Collider (CEPC), a proposed Higgs factory, in the next five-year plan. According to the article, “China will consider other large science projects […] including a proposed Super Tau–Charm Facility” - a good news for flavor physics. 🧪
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 2:02 PM
Big news: China will not include Circular Electron-Positron Collider (CEPC), a proposed Higgs factory, in the next five-year plan. According to the article, “China will consider other large science projects […] including a proposed Super Tau–Charm Facility” - a good news for flavor physics. 🧪
Harvard is hit hard… 🧪
www.thecrimson.com/article/2025...
www.thecrimson.com/article/2025...
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 22, 2025 at 8:17 PM
Harvard is hit hard… 🧪
www.thecrimson.com/article/2025...
www.thecrimson.com/article/2025...
Today, October 22, is International Wombat Day! Happy IWD!
Let me remind you that wombat-related research led to an IgNobel prize in 2019
improbable.com/2021/07/23/t... 🧪
Let me remind you that wombat-related research led to an IgNobel prize in 2019
improbable.com/2021/07/23/t... 🧪
The Wombot and the Wombats
Ig Nobel Prize winner Scott Carver, at the University of Tasmania, and colleagues demonstrate and explain the wombot—their wombat-sized robot for wombat research—in action, in this ABC News report:…
improbable.com
October 22, 2025 at 2:09 PM
Today, October 22, is International Wombat Day! Happy IWD!
Let me remind you that wombat-related research led to an IgNobel prize in 2019
improbable.com/2021/07/23/t... 🧪
Let me remind you that wombat-related research led to an IgNobel prize in 2019
improbable.com/2021/07/23/t... 🧪
Next week is the Nobel week! Let’s speculate on who might get the Physics prize this year?
My pick: Aharonov and Berry
🧪
My pick: Aharonov and Berry
🧪
October 1, 2025 at 6:11 PM
Next week is the Nobel week! Let’s speculate on who might get the Physics prize this year?
My pick: Aharonov and Berry
🧪
My pick: Aharonov and Berry
🧪
A cool car that I saw in Germany. You can park everywhere - and if there is no parking spot available, you just put it in your backpack!
September 30, 2025 at 4:25 PM
A cool car that I saw in Germany. You can park everywhere - and if there is no parking spot available, you just put it in your backpack!
Our two brand new Technology-Enhanced Active Learning (TEAL) labs are (almost) ready to welcome new students next week! We use them to teach Studio Physics at the University of South Carolina 🧪
August 16, 2025 at 1:08 PM
Our two brand new Technology-Enhanced Active Learning (TEAL) labs are (almost) ready to welcome new students next week! We use them to teach Studio Physics at the University of South Carolina 🧪
Nuclear reactor on the Moon! 🧪
EXCLUSIVE: Sean Duffy will announce expedited plans to build a nuclear reactor on the moon, his first major action as interim NASA administrator.
Duffy to announce nuclear reactor on the moon
This is the first major agency effort by the interim NASA administrator, who is also the Transportation secretary and a former Fox News host.
www.politico.com
August 5, 2025 at 5:40 AM
Nuclear reactor on the Moon! 🧪
Reposted by Alexey Petrov
Is it the name of a cat or the name of a particle physics experiment?
forms.gle/f3mGxKjt6jAe...
forms.gle/f3mGxKjt6jAe...
Cat or Particle Physics Experiment
Do you know whether it's the name of the cat shown or of a particle physics experiment?
Quiz made by William Barter, using cat photos provided by colleagues in the University of Edinburgh PPE group.
forms.gle
July 28, 2025 at 11:49 AM
Is it the name of a cat or the name of a particle physics experiment?
forms.gle/f3mGxKjt6jAe...
forms.gle/f3mGxKjt6jAe...
Europe is wooing American researchers with funding as the Trump administration cancels grants 🧪
t.co/EvQ9P6AmPf
t.co/EvQ9P6AmPf
https://www.wsj.com/world/europe/europe-is-recruiting-academics-disenchanted-with-america-c4bae422
t.co
June 29, 2025 at 12:42 PM
Europe is wooing American researchers with funding as the Trump administration cancels grants 🧪
t.co/EvQ9P6AmPf
t.co/EvQ9P6AmPf
Is this one of the meteors from the Bootid Meteor Shower? What do you think? 🧪
www.wltx.com/article/tech...
www.wltx.com/article/tech...
Fiery object lights up skies over South Carolina, other parts of the Southeast
A fiery object in the sky was seen by many in the South Carolina Midlands on Thursday afternoon. And it appears the object was seen across the Southeast
www.wltx.com
June 26, 2025 at 7:57 PM
Is this one of the meteors from the Bootid Meteor Shower? What do you think? 🧪
www.wltx.com/article/tech...
www.wltx.com/article/tech...
The 2025 SLAC Summer Institute is online only? Is this change for this year or a permanent move? Curious as a 1996 SSI participant and a big fan… 🧪
indico.slac.stanford.edu/event/9605/o...
indico.slac.stanford.edu/event/9605/o...
53rd SLAC Summer Institute (SSI 2025)
The SLAC Summer Institute (SSI) is an annual two-week-long Summer School tradition since 1973. The theme of the 53rd SLAC Summer Institute is “Pathways to New Physics”. Although the Standard Model is ...
indico.slac.stanford.edu
June 22, 2025 at 1:36 PM
The 2025 SLAC Summer Institute is online only? Is this change for this year or a permanent move? Curious as a 1996 SSI participant and a big fan… 🧪
indico.slac.stanford.edu/event/9605/o...
indico.slac.stanford.edu/event/9605/o...
The 8-point vision from the Elementary Particle Physics review panel from the National Academies: muon collider and FCC 🧪
June 11, 2025 at 5:25 PM
The 8-point vision from the Elementary Particle Physics review panel from the National Academies: muon collider and FCC 🧪
“The latest experimental value of the magnetic moment of the muon from the Fermilab experiment is:
aμ = (g-2)/2 (muon, experiment) = 0.001 165 920 705 +- 0.000 000 000 114(stat.)+- 0.000 000 000 091(syst.)”
Amaing experimental precision! Also consistent with the SM… 🧪
news.fnal.gov/2025/06/muon...
aμ = (g-2)/2 (muon, experiment) = 0.001 165 920 705 +- 0.000 000 000 114(stat.)+- 0.000 000 000 091(syst.)”
Amaing experimental precision! Also consistent with the SM… 🧪
news.fnal.gov/2025/06/muon...
Muon g-2 announces most precise measurement of the magnetic anomaly of the muon
The third and final result, based on the last three years of data, is in perfect agreement with the experiment’s previous results, further solidifying the experimental world average. This long-awaited...
news.fnal.gov
June 3, 2025 at 6:48 PM
“The latest experimental value of the magnetic moment of the muon from the Fermilab experiment is:
aμ = (g-2)/2 (muon, experiment) = 0.001 165 920 705 +- 0.000 000 000 114(stat.)+- 0.000 000 000 091(syst.)”
Amaing experimental precision! Also consistent with the SM… 🧪
news.fnal.gov/2025/06/muon...
aμ = (g-2)/2 (muon, experiment) = 0.001 165 920 705 +- 0.000 000 000 114(stat.)+- 0.000 000 000 091(syst.)”
Amaing experimental precision! Also consistent with the SM… 🧪
news.fnal.gov/2025/06/muon...
Leinweber Foundation’s greatest gift to theoretical physics: $90M to five institutes of theoretical physics at Michigan, U of Chicago, UC Berkeley, IAS, and MIT 🧪
www.prnewswire.com/news-release...
www.prnewswire.com/news-release...
Leinweber Foundation Announces Largest Gift Ever for Theoretical Physics Research
/PRNewswire/ -- The Leinweber Foundation announces today gifts totaling $90 million to establish Leinweber Institutes for Theoretical Physics at four of the...
www.prnewswire.com
May 28, 2025 at 4:53 PM
Leinweber Foundation’s greatest gift to theoretical physics: $90M to five institutes of theoretical physics at Michigan, U of Chicago, UC Berkeley, IAS, and MIT 🧪
www.prnewswire.com/news-release...
www.prnewswire.com/news-release...
This does not sound good, if true… what is the rational behind killing one of the most successful enterprises in this country - and I mean, science? 🧪
www.science.org/content/arti...
www.science.org/content/arti...
Exclusive: NSF faces radical shake-up as officials abolish its 37 divisions
Changes seen as a response to presidential directives on what research to fund
www.science.org
May 9, 2025 at 1:41 AM
This does not sound good, if true… what is the rational behind killing one of the most successful enterprises in this country - and I mean, science? 🧪
www.science.org/content/arti...
www.science.org/content/arti...
While €500M is not that much in general, if directed towards young professors, it can drain the US talent pool. 🧪
www.reuters.com/science/eus-...
www.reuters.com/science/eus-...
Europe pledges half a billion euros to lure scientists as Trump battles universities
The European Union and France on Monday announced half a billion euros worth of incentives to lure scientists to the continent, seeking to profit from U.S. President Donald Trump's federal funding cuts and clashes with top U.S. universities.
www.reuters.com
May 7, 2025 at 2:52 PM
While €500M is not that much in general, if directed towards young professors, it can drain the US talent pool. 🧪
www.reuters.com/science/eus-...
www.reuters.com/science/eus-...
Reposted by Alexey Petrov
Here's an updated look at new awards from NSF. Comparison is between April/May of 2024 vs. this year. You can see the pause from 4/15–4/22, as well as the freeze started on 4/30. (Other flat areas are from weekends)
May 7, 2025 at 3:16 AM
Here's an updated look at new awards from NSF. Comparison is between April/May of 2024 vs. this year. You can see the pause from 4/15–4/22, as well as the freeze started on 4/30. (Other flat areas are from weekends)
Fantastic news! Great thanks to Bonnie and Peter McCausland for this unprecedented gift.
www.sc.edu/uofsc/posts/...
www.sc.edu/uofsc/posts/...
USC's College of Arts and Sciences renamed following transformational gift
USC's largest college has a new name honoring the vision and generosity of a prominent alumnus and his family: the University of South Carolina McCausland College of Arts and Sciences.
www.sc.edu
April 23, 2025 at 2:33 PM
Fantastic news! Great thanks to Bonnie and Peter McCausland for this unprecedented gift.
www.sc.edu/uofsc/posts/...
www.sc.edu/uofsc/posts/...
And we are off! Portoroz 2025 is starting 🧪
April 23, 2025 at 12:39 AM
And we are off! Portoroz 2025 is starting 🧪
A great crowd for our first Astronomy on Tap at Bierkeller Columbia! Thank you for joining us! Let’s do it again! 🧪
@astronomyontap.bsky.social
@astronomyontap.bsky.social
April 18, 2025 at 2:35 AM
A great crowd for our first Astronomy on Tap at Bierkeller Columbia! Thank you for joining us! Let’s do it again! 🧪
@astronomyontap.bsky.social
@astronomyontap.bsky.social