A joint Fermilab/SLAC publication

Update: How cold is the LHC right now? What about now?



Sector 3-4 magnets: Almost there

Sector 3-4 magnets: Almost there

As CERN's Large Hadron Collider is gradually chilled to its operating temperature of 1.9 degrees Kelvin -- colder than the vacuum of outer space -- you can follow along at this Web site.  It shows the temperature of each of the machine's eight sectors in real time, or pretty close to it.    Thanks to Bad Astronomy for pointing this out.

Why so cold?   Check out this post from Monday.

Latest news articles


Matter-antimatter mystery remains unsolved

Measuring with high precision, physicists at CERN found a property of antiprotons perfectly mirrored that of protons.


This is an important milestone on the way to research at the first light-source laboratory in the Middle East.

Washington Post

Rubin’s groundbreaking discoveries revolutionized the way scientists observe, measure and understand the universe.


The measurement is the result of over 20 years of work by the CERN antimatter community.