Four bunches per beam and pixels are on …

… for the first time! Since the innermost par of ATLAS needs special and safe beam conditions the pixels have been of during the previous test. Today the LHC was/is running stable with 4 bunches per beam delivering collisions at 900 GeV (450 per beam) to all experiments.
Unfortunately there was a power cut last Wednesday so the previously mentioned surprise will have to wait …

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