ATLAS increases its active channel count by one order of magnitude

10th December 2009 – On Sunday December 6, 2009 at 8.00 the ATLAS Pixel Detector has measured, for the first time, tracks emerging from LHC collisions. It has been a very smooth start.

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First collisions with the pixel detector

7th December 2009 – It's been a busy weekend for ATLAS. Last night, well, actually early this morning, we received the "stable beam" flag from the LHC.

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First collisions in ATLAS

23rd November 2009 – A few days ago, loud cheers and happy faces filled the ATLAS Control Room while the whole detector lit up: protons are back at the experiment's door, and everybody forgot in a second the long year of waiting for the Large Hadron Collider (LHC) to resume operation.

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LHC beams and events back in ATLAS

21st November 2009 – Loud cheers and happy faces fill the ATLAS Control Room while the whole detector lights up: protons are back today at the experiment's door, and everybody forgets in a second the long year of waiting for the Large Hadron Collider (LHC) to resume operation.

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ATLAS Preparing for Collisions in Late-2009

15th November 2009 – The most recent schedule envisions beam reaching ATLAS in late November with low-energy collisions shortly thereafter.

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Multimedia contest launched

4th May 2009 – A new multimedia contest has been set up to put talented young filmmakers and science communicators in touch with ATLAS.

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Higgs finds the Higgs at RAL

1st April 2009 – On Friday, March 13th, British high school student Jonathan Higgs discovered the elusive Higgs boson among the simulated particle tracks in Minerva – a special form of ATLAS’s event display program, Atlantis, designed for students in the International Particle Physics Masterclasses.

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