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Particle accelerator

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Large Hadron Collider limbers up after two-year overhaul

By - May 5, 2015 9 Pictures

Restarting the world's largest particle accelerator after a two-year overhaul isn't just a matter of throwing a switch and making sure the lights go on. It's an eight-week process of baby steps – one's that involve billions of electron volts. But the Large Hadron Collider (LHC) took a major step forward this week as the CERN team fired up two counter-rotating proton beams that were injected into the LHC using the Super Proton Synchrotron, then accelerated to an energy of 450 GeV each.

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— Science

Large Hadron Collider back on line

By - April 6, 2015 2 Pictures
As the saying goes, you can't keep a good particle accelerator down. In Switzerland, CERN has announced that the Large Hadron Collider (LHC) is back online after a major overhaul and refit. This power-up of the most powerful particle accelerator in the world marks the culmination of two years of work and months of testing, resulting in a significant boost in performance for the giant collider's "season 2." Read More
— Science

Berkeley lab builds world record tabletop-size particle accelerator

By - December 9, 2014 2 Pictures
Taking careful aim with a quadrillion watt laser, researchers at the US Department of Energy’s Lawrence Berkeley National Lab claim to have managed to speed up subatomic particles to the highest energies ever recorded for a compact accelerator. By blasting plasma in their tabletop-size laser-plasma accelerator, the scientists assert that they have produced acceleration energy of around of 4.25 giga-electron volts. Acceleration of this magnitude over the short distances involved correlates to an energy rise 1,000 times greater than that of a traditional – and very much larger – particle accelerator. Read More
— Science

Lasers could significantly shrink size and cost of particle accelerators

By - May 29, 2014 2 Pictures
Particle accelerators like the Large Hadron Collider (LHC) are wonders of modern engineering and vending machines for Nobel prizes, but they’re also large – as indicated by the LHC's name – and costly. A new theoretical study by the Lawrence Berkeley National Laboratory's Berkeley Lab Laser Accelerator (BELLA) Center suggests how lasers could dramatically shrink the size and cost of particle accelerator. If the models hold true, it could remove a significant bottleneck from physics research and open up such machines to industrial and medical applications. Read More
— Science

First laser-driven electron accelerator demonstrated

By - October 13, 2013 7 Pictures
If Angus MacGyver was a particle physicist, he might face a challenge like this: Take a femtosecond laser and a fused quartz grating and make the world's most powerful particle accelerator. Despite the apparent incongruity of the resources and the goal, researchers at the US Department of Energy’s SLAC National Accelerator Laboratory and Stanford University have fabricated a proof-of-principle electron accelerator using just such equipment. In the demonstration, electrons from a 60 MeV beam saw a force of acceleration about ten times greater than possible in a conventional accelerator. Read More
— Science

Revamped Fermilab neutrino beam offers hope for new physics

By - September 14, 2013 8 Pictures
Particle physicists have been eagerly awaiting the first trials of the new Main Injector neutrino beam at the Fermi National Accelerator Laboratory in the US. This new facility is the result of reconfiguration of the Fermilab particle accelerators in the wake of the shutdown of the Tevatron in 2011. The new beam source is now online, and is well on route to becoming the world's most intense focused neutrino source. Read More
— Architecture Feature

ATLAS: At the crossroads of art and science

The largest single piece of experimental scientific apparatus is currently the Large Hadron Collider bridging the border of France and Switzerland. The control building of the ATLAS detector, one of two general purpose particle detectors built with the LHC, has found itself adorned with a magnificent mural. The story of how the mural came about provides a fascinating glimpse at the crossroads of art and science. Read More
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