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Large Hadron Collider To Start Up September 10
ScienceDaily (Aug. 10, 2008) — The first attempt to circulate a beam in the Large Hadron Collider (LHC) will be made on 10 September. This news comes as the cool down phase of commissioning CERN’s new particle accelerator reaches a successful conclusion.
The LHC is the world’s most powerful particle accelerator, producing beams seven times more energetic than any previous machine, and around 30 times more intense when it reaches design performance, probably by 2010. Housed in a 27-kilometre tunnel, it relies on technologies that would not have been possible 30 years ago. The LHC is, in a sense, its own prototype.
Starting up such a machine is not as simple as flipping a switch. Commissioning is a long process that starts with the cooling down of each of the machine’s eight sectors. This is followed by the electrical testing of the 1600 superconducting magnets and their individual powering to nominal operating current. These steps are followed by the powering together of all the circuits of each sector, and then of the eight independent sectors in unison in order to operate as a single machine.
By the end of July, this work was approaching completion, with all eight sectors at their operating temperature of 1.9 degrees above absolute zero (-271°C). The next phase in the process is synchronization of the LHC with the Super Proton Synchrotron (SPS) accelerator, which forms the last link in the LHC’s injector chain. Timing between the two machines has to be accurate to within a fraction of a nanosecond.
A first synchronization test is scheduled for the weekend of 9 August, for the clockwise-circulating LHC beam, with the second to follow over the coming weeks. Tests will continue into September to ensure that the entire machine is ready to accelerate and collide beams at an energy of 5 TeV per beam, the target energy for 2008. Force majeure notwithstanding, the LHC will see its first circulating beam on 10 September at the injection energy of 450 GeV (0.45 TeV).
Once stable circulating beams have been established, they will be brought into collision, and the final step will be to commission the LHC’s acceleration system to boost the energy to 5 TeV, taking particle physics research to a new frontier.
‘We’re finishing a marathon with a sprint,’ said LHC project leader Lyn Evans. ‘It’s been a long haul, and we’re all eager to get the LHC research programme underway.’
What do you guys think is gonna happen when we all on planet earth pass through galactic plane in 2012?
I am one of the people that truely believes in what the bible and what the ancient Mayans says about the world ending in 2012. Especially since the Mayans had a calendar that was far more accurate than the calendar that we use today. And they had predicted things that have already came true. Like they have predicted the hurricanes Rita, Wilma, and Katrina. They knew how bad those hurricanes were going to be in 2005. And they were definitely right about that. Especially about hurricane Katrina. Also between the dates of December 21 and December 23 the Earth is going to complete 1 full wobble. And the last time that had happen was 26,000 years ago. Which was during the time of the last ice age. Laugh at me all you want I really believe it is going to happen.
The Bible doesn't say. Actually, it just the opposite; according to Christianity, we don't know and never will.I am one of the people that truely believes in what the bible.
What does to mean? :bugeyed Someone explain. :lol: It had so much scientific thingies in it. :mello:^^ Uh Oh..
Singer/songwriter/dancer Michael Jackson will release a new album.