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Scientists express joy at LHC switch-on

<em>ZDNet.com.au's</em> sister site <em>ZDNet.co.uk</em> was at the Science & Technology Facilities Council event in Westminster to see, via video-link, the Large Hadron Collider being initiated. This photo gallery takes you inside the event, and the initial reactions of scientists.
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1 of 5 David Meyer/ZDNet

On the morning of Wednesday, 10 September, 2008, the first particle beam was successfully sent around the full circuit of the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN).

The new science resulting from this grand experiment will turn up in the coming weeks and months, but what Wednesday's event did prove was that the world's largest machine works. Part of that machine is the cathedral-sized Atlas detector, one of two general-purpose detectors (the other is the Compact Muon Solenoid, or CMS) in the LHC.

Atlas's development and construction benefited from a great amount of UK involvement, particularly that of the Science & Technology Facilities Council. Pictured above is the very first image from Atlas showing the particle beam passing through.

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2 of 5 David Meyer/ZDNet

Professor Jon Butterworth of University College London heads up the UK's involvement in the Atlas detector. "This is the biggest high of my career so far," he told ZDNet.co.uk after the first successful beam circulation in the LHC, which took just under an hour to complete. "I didn't think they'd do it so quickly and smoothly."

"This is the first time [the LHC] has functioned as a single machine," Butterworth noted. He added that, although no new science as such came from Wednesday's events, the machine "shows a lot of cutting-edge technology, so in that sense it is a breakthrough".

"We'll probably be getting science out of this thing for 20 years," Butterworth said.

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3 of 5 David Meyer/ZDNet

Peter Barratt is the communications chief for the Science & Technology Facilities Council (STFC), which distributes UK government funding for scientific research. He described the first beam's circulation as "fantastic".

"We were all a bit apprehensive, but they got the first beam round in just under an hour," Barratt said. "We're now looking forward to the energy ramping up." He also added that it was "mindblowing" for particle physics to be getting the international exposure granted by coverage of the LHC.

The STFC will continue to fund the LHC through the UK's subscription to CERN and the funding of research scientists, Barratt said. "Once we start receiving the data [from the LHC], those guys need to sit down and start analysing it," he said. "Maybe they will overturn the physics textbooks as they are at the moment — who knows?"

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4 of 5 David Meyer/ZDNet

Dr David Sankey is a particle physicist at the Rutherford Appleton Laboratory, a research centre in Oxfordshire. "It's getting real," he said in reaction to Wednesday's successful LHC initiation. Comparing Wednesday's LHC initiation to starting an engine, he said: "This is the turnover, and it went well."

Sankey pointed out how the 20 years of development and preparation that had gone into the LHC continued right up until recently. "This has been a long time coming," he said. "Even last week, people were working in [the CMS detector]. They were working flat out up to this deadline, and it worked."

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5 of 5 David Meyer/ZDNet

One of the most important technological advances to come out of CERN's work has been its contributions to grid computing, which involves using large numbers of loosely coupled computers over a great area to share the load of handling large amounts of data. Such distributed methods are necessary for analysing the anticipated 15 petabytes of data that are expected to come out of the LHC every year.

Imense is one company that has benefited from the UK's part of the greater grid, GridPP. A spin-off from Cambridge University, Imense has used the technology to develop its content-based image search systems, which they hope will catch on as a way to find images based on keywords, even from unannotated photographs. The company was helped in this by the STFC, which granted them use of one percent of GridPP.

Two representatives from the company were at Wednesday's event. Dr Chris Town (left) described the LHC initiation as "exciting", noting that all sorts of non-physics applications are possible on the grid. Dr David Sinclair (right) added that projects such as the LHC "generate people with the skillset we [in companies such as Imense] need."

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