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ALICE with one door open

Curiouser and curiouser: a riddle at the ALICE detector

12/09/25
Sarah Charley

In 2023, the ALICE experiment was ready for their best year yet, until a mysterious signal threatened everything. As the LHC wraps up its 2025 lead-ion run, physicists recall how they worked together to solve the puzzle.

08/01/06

CERN cafeteria

Walk into the main CERN cafeteria at various times of the day and you'll find different scenes: scientists discussing results over coffee; a parent coaxing his children to finish lunch before swooping them back to the nursery school on site; groups of grad students soaking up the sun on the

08/01/06

A long commute to summer school

This August, one hundred and fifty postdocs and advanced graduate students from around the world will gather on the Illinois prairie to enhance their understanding of particle colliders at the CERN-Fermilab Hadron Collider Physics Summer School.

Logbook of Jun-July 2006
07/01/06

First vertex detector

The Positron Electron Project (PEP) collider at the Stanford Linear Accelerator Center produced its first collisions in 1979. All sorts of particles burst out, including the tau lepton, an ephemeral cousin of the electron.

07/01/06

SLAC's water cycle

Along the Loop Road at Stanford Linear Accelerator Center, the roar of falling water and a refreshing mist filled the air after six solid weeks of California rain. But the water cascading down the inside of Campus Cooling Tower 101, and landing in a frothy pool, is hardly scenic.

07/01/06

Battling the clouds

Clouds of electrons could block the view of new discoveries at the proposed ILC, a multi-billion-dollar particle collider. Eliminating those clouds is critical to the prspects for the machine's success.

Drawing by Sam Ehrenstein
07/01/06

From placemat to prodigy

Over a half-eaten burrito or a bowl of spaghetti, Sam Ehrenstein ponders the unanswered questions of fundamental physics. Yet Sam is no experimental physicist or postdoc brooding over his data. Not yet, anyway.

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