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Physicists plan to build a bigger LHC

RATE THIS! +51
Posted in Science on 27th Nov, 2013 02:24 AM by AlexMuller

When Europe’s Large Hadron Collider (LHC) started up in 2008, particle physicists would not have dreamt of asking for something bigger until they got their US$5-billion machine to work.

 

But with the 2012 discovery of the Higgs boson, the LHC has fulfilled its original promise — and physicists are beginning to get excited about designing a machine that might one day succeed it: the Very Large Hadron Collider (VLHC).

 
“It’s only prudent to try to sketch a vision decades into the future,” says Michael Peskin, a theoretical physicist at SLAC National Accelerator Laboratory in Menlo Park, California, who presented the VLHC concept to a US government advisory panel on 2 November.
 
The giant machine would dwarf all of its predecessors (see ‘Lord of the rings’). It would collide protons at energies around 100 teraelectronvolts (TeV), compared with the planned 14 TeV of the LHC at CERN, Europe’s particle-physics lab near Geneva in Switzerland. And it would require a tunnel 80–100 kilometres around, compared with the LHC’s 27-km circumference. For the past decade or so, there has been little research money available worldwide to develop the concept. But this summer, at the Snowmass meeting in Minneapolis, Minnesota — where hundreds of particle physicists assembled to dream up machines for their field’s long-term future — the VLHC concept stood out as a favourite.
 
Some physicists caution that the VLHC would be only a small part of the global particle-physics agenda. Other priorities include: upgrading the LHC, which shut down in February for two years to boost its energies from 7 TeV to 14 TeV; plans to build an International Linear Collider in Japan, to collide beams of electrons and positrons as a complement to the LHC’s proton findings; and a major US project to exploit high-intensity neutrino beams generated at the Fermi National Accelerator Laboratory in Batavia, Illinois. Jonathan Rosner, a particle physicist at the University of Chicago, Illinois, who convened Snowmass, says that these forthcoming projects should be the focus. “It’s premature to highlight the VLHC,” he says.

Tags: CERNLHCVLHCphysicsHiggs boson

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Comments

Author: Guest
Posted: 2013-11-27
+2
Success of LHC is undisputed. Scientists need to keep their work up and new more powerful machines should be planed for the future
1 Replies
Author: Guest
Posted: 2013-11-27
+1
As of 2013, the LHC remains one of the largest and most complex experimental facilities ever built.
3 Replies
Author: Guest
Posted: 2013-11-27
+1
The LHC has been running at a top energy and needs attention. During the Long Shutdown, the facility's magnets and connections will be checked and upgraded, starting in 2015. Reply
Author: Guest
Posted: 2013-11-27
+0
In 2008, a faulty connection caused an explosion that delayed the start of science operations for nearly a year- we do not need repeat of this Reply
Author: Guest
Posted: 2013-11-27
+0
The main site at Meyrin has a large computer centre- it has historically been a major wide area networking hub. Reply
Reply
Reply
Author: Guest
Posted: 2013-11-27
+2
We have every reason to be very satisfied with the LHC: the machine, the experiments, the computing facilities and all infrastructures behave brilliantly, and this is crowned by a major scientific discovery Reply
Author: Guest
Posted: 2013-11-27
+0
The LHC was built in collaboration with over 10,000 scientists and engineers from over 100 countries, as well as hundreds of universities and laboratories- the new one may involve even more
2 Replies
Author: Guest
Posted: 2013-11-27
+0
LHC is the highest-energy particle collider ever made and is considered as one of the great engineering milestones of mankind Reply
Author: Guest
Posted: 2013-11-27
+0
CERN's main function is to provide the particle accelerators and other infrastructure needed for high-energy physics research - it should continue to have this role with the new machine Reply
Reply
Author: Guest
Posted: 2013-11-27
+0
The search for the Higgs boson, and its subsequent discovery, received widespread attention Reply
Author: Guest
Posted: 2013-11-27
+0
The work is ongoing. Now we know the Higgs boson is there, and is involved in giving mass to some fundamental particles. It is further claimed that there is a strong evidence that it gives mass to all of them. Reply


 

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