Physicists Race To Publish First Results From LHC

Large Hadron Collider

From New Scientist:

Good things come to those who wait. But now that the Large Hadron Collider has restarted after undergoing more than a year of repairs, physicists are racing to analyse the data. Just days after the first protons were smashed together at the LHC, the first paper on the results has been accepted to a journal.

The first collisions took place on Monday, 23 November; by Saturday, a paper had been uploaded to the arxiv server, where physicists often publish their results prior to formal publication. Three days later, it had been accepted by the European Journal of Physics.

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CERN Cuts Power To Part Of The LHC, Says The Setback Is Minor

Image © CERN

From Scientific American:

Just two days after the Large Hadron Collider (LHC) reached a major milestone by producing 1.18 TeV (more than one trillion electron volts) of energy, the particle physics lab CERN had to cut power to one of the accelerator's sites following a problem with a power supplier. The outage did not affect the cryogenics required for operation, and a CERN spokeswoman in Geneva, Switzerland, was optimistic that the power would be back up by 6:30 p.m. local time.

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Large Hadron Collider Sets World Energy Record

From BBC News:

The Large Hadron Collider (LHC) experiment on the French-Swiss border has set a new world record for energy.

The LHC pushed the energy of its particle beams beyond one trillion electron volts, making it the world's highest-energy particle accelerator.

The previous record was held by the Tevatron particle accelerator in Chicago.

Officials say it is another milestone in the LHC's drive towards its main scientific tests set for 2010.

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Scientists Take The First Step In Unlocking Origins Of Universe

The Cern computer system displays images generated of the
first collisions to take place in the Large Hadron Collider. CERN

From The Independent:

After 10 years – and £6bn – the first particles finally smash into each other in the Large Hadron Collider.

After embarrassing breakdowns caused by bread-dropping birds and hugely expensive repairs, the world's biggest science experiment – the Large Hadron Collider – has suddenly burst into life and smashed together proton beams for the first time.

Scientists operating the giant £6 billion machine at Cern, the nuclear research body near Geneva, said yesterday that they had finally succeeded in making low energy proton collisions, which could eventually provide clues about the first Big Bang and the origins of the universe.

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'Big Bang' Machine Makes History By Achieving First Particle Collisions

From The Daily Mail:

Proton beams have been smashed together for the first time in the 'Big Bang Machine', a development which scientists hope will help unravel the origins of the universe.

The beams were circulated in opposite directions at the same time causing the first particle collisions in the £6billion experiment after 14 months of repairs.

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LHC Smashes Protons Together For First Time

The LHC's first collisions occurred on 23 November in the ATLAS detector,
as reconstructed here (Image: CERN)

From New Scientist:

The Large Hadron Collider bashed protons together for the first time on Monday, inaugurating a new era in the quest to uncover nature's deepest secrets.

Housed in a 27-kilometre circular tunnel beneath Geneva, Switzerland, the LHC is the world's most powerful particle accelerator, designed to collide protons together at unprecedented energies.

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Large Hadron Collider: Beams Are Back on at World's Most Powerful Particle Accelerator

Repairs being made in March 2009 to the damaged section of the LHC. (Credit: Courtesy of CERN)

From Science Daily:

Science Daily (Nov. 20, 2009) — Particle beams are once again zooming around the world's most powerful particle accelerator -- the Large Hadron Collider -- located at the CERN laboratory near Geneva, Switzerland. On November 20 at 4:00 p.m. EST, a clockwise circulating beam was established in the LHC's 17-mile ring.

After more than one year of repairs, the LHC is now back on track to create high-energy particle collisions that may yield extraordinary insights into the nature of the physical universe.

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Beam Sent From Large Hadron Collider After 14 Months Of Repairs

Large Hadron Collider: The machine has been restarted after $40million of repairs

From The Daily Mail:

The world’s largest atom smasher, the Large Hadron Collider, has been re-started after 14 months of repairs.

The $10billion (£6billion) machine suffered a spectacular failure more than a year ago – just nine days after the launch.

Scientists are hoping the results from the device, which was designed to smash together beams of protons in a bid to recreate conditions after the Big Bang, will shed some light on the makeup of matter and the universe.

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Large Hadron Collider Restarted

Large Hadron Collider Photo: PA

From The Australian/AFP:

THE world's biggest atom-smasher, shut down after its inauguration in September 2008 amid technical faults, has been restarted.

"The first tests of injecting sub-atomic particles began around 1600 (01:00 AEDT),'' CERN spokesman James Gillies said.

He said the injections lasted a fraction of a second, enough for "a half or even a complete circuit'' of the Large Hadron Collider built in a 27km long tunnel straddling the Franco-Swiss border near Geneva.

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'Big Bang' Experiment To Re-Start

The Compact Muon Solenoid is one of two multi-purpose detectors at the LHC

From BBC:

The Large Hadron Collider (LHC) experiment could be re-started on Saturday morning at the earliest, officials have said.

Engineers are preparing to send a beam of sub-atomic particles all the way round the 27km-long circular tunnel which houses the LHC.

The £6bn machine on the French-Swiss border is designed to shed light on fundamental questions about the cosmos.

The LHC has been shut down for repairs since an accident in September 2008.

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Large Hadron Collider Ready To Restart

Nine days after the launch a single electrical splice overheated because it had been badly soldered, and disaster struck Photo: PA

From The Telegraph:

Scientists have repaired the world's largest atom smasher and plan by this weekend to restart the fault-ridden Large Hadron Collider.

The 'Big Bang' machine was launched with great fanfare last year before its spectacular failure from a bad electrical connection.

This time the European Organization for Nuclear Research, known as CERN, is taking a cautious approach with the super-sophisticated equipment, said James Gillies, a spokesman. It cost about $10 billion, with contributions from many governments and universities around the world.

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In SUSY We Trust: What The LHC Is Really Looking For

From New Scientist:

AS DAMP squibs go, it was quite a spectacular one. Amid great pomp and ceremony - not to mention dark offstage rumblings that the end of the world was nigh - the Large Hadron Collider (LHC), the world's mightiest particle smasher, fired up in September last year. Nine days later a short circuit and a catastrophic leak of liquid helium ignominiously shut the machine down.

Now for take two. Any day now, if all goes to plan, proton beams will start racing all the way round the ring deep beneath CERN, the LHC's home on the outskirts of Geneva, Switzerland.

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Large Hadron Collider Stalled Again... Thanks To Chunk Of Baguette

A spokesman for CERN told The Times: 'Nobody knows how it got there. The best guess is that it was dropped by a bird, either that or it was thrown out of a passing aeroplane'

From Times Online:

The rehabilitation of the beleaguered Large Hadron Collider was on hold tonight after the failure of one of its powerful cooling units caused by an errant chunk of baguette.

The £4 billion particle-collider faced more than a year of delays after a helium leak stymied the project in its first few days of operation. It is gradually being switched back on over the coming months but suffered a new setback on Tuesday morning.

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Second Chance For Large Hadron Collider To Deliver Universe's Secrets

The view from the central axis of the Large Hadron Collider. Photograph: CERN

From The Guardian:

One year after £30m meltdown, 'God Machine' is ready to run again in Switzerland.

At first glance, the piece of metal in Steve Myers's hands could be taken for a harmonica or a pen. Only on closer inspection can you make out its true nature. Myers, director of accelerators at the Cern particle physics laboratory outside Geneva, is clutching a section of copper piping from which a flat electrical cable is protruding.

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LHC Reawakens, Sending Proton Beams Running At The Speed of Light

Recovery: Repairwork in an above-ground warehouse on the French-Swiss border Cern's damaged magnets underwent repairs at a nearby above-ground site. This man is working on the end of a dipole magnet, which contains six conductors, each of which carried 8,000 amps but were capable of conducting up to 13,000. In superconducting magnets like this one, the internal materials are kept at some of the lowest temperatures imaginable, decreasing resistance and allowing them to generate electricity with virtually no loss of heat. Courtesy Cern

From Popular Science:

Over the weekend, Cern ran particle beams through the Large Hadron Collider for the first time since it was shut down last September. After a helium leak caused magnets to overheat, operations at the LHC were suspended for cleanup and repairs. After tests on October 23 and 25, scientists hope to have the LHC running again in full by November.

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The Collider, The Particle And A Theory About Fate

SUICIDE MISSION? The core of the superconducting solenoid magnet at the Large Hadron Collider in Switzerland. Martial Trezzini/European Pressphoto Agency

From The International Herald Tribune:

More than a year after an explosion of sparks, soot and frigid helium shut it down, the world’s biggest and most expensive physics experiment, known as the Large Hadron Collider, is poised to start up again. In December, if all goes well, protons will start smashing together in an underground racetrack outside Geneva in a search for forces and particles that reigned during the first trillionth of a second of the Big Bang.

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LHC Gets Colder Than Deep Space

The giant Atlas detector will search for hints of the elusive Higgs boson particle

From The BBC:

The Large Hadron Collider (LHC) experiment has once again become one of the coldest places in the Universe.

All eight sectors of the LHC have now been cooled to their operating temperature of 1.9 kelvin (-271C; -456F) - colder than deep space.

The large magnets that bend particle beams around the LHC are kept at this frigid temperature using liquid helium.

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The Supercollider And A Theory About Fate

This was some of the worst damage to the Large Hadron Collider. Credit: CERN

From CNET:

More than a year after an explosion of sparks, soot, and frigid helium shut it down, the world's biggest and most expensive physics experiment, known as the Large Hadron Collider, is poised to start up again.

Before year's end, if all goes well, protons will start smashing together in an underground racetrack outside Geneva in a search for forces and particles that reigned during the first trillionth of a second of the Big Bang.

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Time-Travelling Higgs Sabotages The LHC. No, Really

From New Scientist:

Could the Large Hadron Collider be sabotaging itself from the future? That's the suggestion of a couple of reasonably distinguished theoretical physicists, which has received a fresh airing in the New York Times today.

Actually, it's the Higgs boson that is doing the sabotage. Apparently, among the many singular properties of the Higgs that the LHC is meant to discover could be the ability to turn back time to stop its cover being blown.

Or as the New York Times puts it:

"the hypothesized Higgs boson... might be so abhorrent to nature that its creation would ripple backward through time and stop the collider before it could make one, like a time traveler who goes back in time to kill his grandfather."

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LHC Test Could Lead to Hyperdrive Space Propulsion (Well, In Theory)

Muon Chambers The Atlas Experiment

From Popular Science:

Add one more thing to the list of mysteries, theories, and unsubstantiated ideas that will be confirmed/denied/debunked if CERN ever gets the Large Hadron Collider up and running: hyperdrive spacecraft propulsion.

In 1924, German mathematician David Hilbert published a paper noting a pretty amazing side effect to Einstein's relativity: a relativistic particle moving faster than about half the speed of light should be repelled by a stationary mass (or at least it would appear to be repelled, to an inertial observer watching from afar).

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