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From New Scientist:

Protons will be skirting around the 27-km Large Hadron Collider by the end of September, say CERN officials, with the first proton collisions expected four or five weeks later.

The lab will take the unusual step of running its brand new €3 billion machine throughout the winter – with a short break around Christmas “to allow people not to get divorced!” says CERN’s director for research and computing, Sergio Bertolucci.

With winter energy prices, that will add about €8 million to the LHC’s electricity bill – about 40% of its annual cost. But physicists on the LHC’s four giant experiments will reap the rewards by late 2010, when they should have collected enough data at a collision energy of 10 TeV to rival the Tevatron at Fermilab, perhaps seeing signs of new fundamental particles.