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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.

09/01/08

Powerlifting physicist pulls 11-ton truck

Jennifer Gimmell's coworkers didn't believe she competitively pumped iron. But as the evidence piled up—including a photo of her pulling a 23,000 pound truck—her fellow physicists had to concede: The strong force had nothing on Gimmell.

09/01/08

JLab's new director

Hugh Montgomery has taken the helm of the Department of Energy’s Thomas Jefferson National Accelerator Facility in Virginia after almost 25 years at Fermi National Accelerator Laboratory in Illinois. He is JLab’s third director, replacing retiring Christoph Leemann.

Logbook of August 2008
08/01/08

Z boson

In May 1983, physicists on the UA1 detector for the Super Proton Synchrotron accelerator at CERN made the first definitive observations of the Z boson.

08/01/08

Call of the bike

As Reid Mumford pedals, sometimes he thinks about how to break away from the pack. Other times he thinks about how the smallest bits of the universe break apart in high-energy collisions.

08/01/08

New tools forge new frontiers

US particle physics is pushing forward on three frontiers. Each has a unique approach to making discoveries, and all three are essential to answering key questions about the laws of nature and the cosmos.

An illustration of a "machine" used to create Z bosons
08/01/08

Z boson

The Z boson is a neutral particle that mediates the weak force.

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