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Large Hadron Collider (LHC) News

#1  Postby Beelzebub » Feb 26, 2010 11:51 pm

Large Hadron Collider ‘dead boring’ say scientists here.

;)
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Re: Scientists say LHC is BORING!!

#2  Postby Just Wondering » Feb 26, 2010 11:55 pm

From the article -- a scientist at CERN saying:

Personally, I wouldn’t buy a LHC at half the price. I’m sticking with my Xbox.

:dielaughing:
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Re: Scientists say LHC is BORING!!

#3  Postby akigr8 » Feb 27, 2010 12:07 am

Debi Peralta wrote:From the article -- a scientist at CERN saying:

Personally, I wouldn’t buy a LHC at half the price. I’m sticking with my Xbox.

:dielaughing:

:dielaughing:



Boring?! I think not!
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Edit. Fixed typo, from raping to rapping :oops:
Last edited by akigr8 on Feb 27, 2010 6:32 pm, edited 1 time in total.
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Re: Scientists say LHC is BORING!!

#4  Postby atrasicarius » Feb 27, 2010 12:09 am

I can see what he means, man. Just look at this site, where they have live webcams at the LHC. Nothing ever happens. http://www.cyriak.co.uk/lhc/lhc-webcams.html
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Re: Scientists say LHC is BORING!!

#5  Postby Just Wondering » Feb 27, 2010 1:18 am

atrasicarius wrote:I can see what he means, man. Just look at this site, where they have live webcams at the LHC. Nothing ever happens. http://www.cyriak.co.uk/lhc/lhc-webcams.html


So I guess the Devil wasn't supposed to emerge from the bowels of the Earth afterall huh? :lol:
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Re: Scientists say LHC is BORING!!

#6  Postby Beelzebub » Feb 27, 2010 1:43 pm

Debi Peralta wrote:
atrasicarius wrote:I can see what he means, man. Just look at this site, where they have live webcams at the LHC. Nothing ever happens. http://www.cyriak.co.uk/lhc/lhc-webcams.html


So I guess the Devil wasn't supposed to emerge from the bowels of the Earth afterall huh? :lol:


Ah... you just wait till they reach 6.66 Tev! :evilgrin:
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Re: Scientists say LHC is BORING!!

#7  Postby Velma » Feb 27, 2010 1:48 pm

Beelzebub wrote:
Debi Peralta wrote:
atrasicarius wrote:I can see what he means, man. Just look at this site, where they have live webcams at the LHC. Nothing ever happens. http://www.cyriak.co.uk/lhc/lhc-webcams.html


So I guess the Devil wasn't supposed to emerge from the bowels of the Earth afterall huh? :lol:


Ah... you just wait till they reach 6.66 Tev! :evilgrin:


That will be 3.33TeV for each beam. All they need to show is that one of the detectors had a cross-section which looks a bit like a pentagram and the''ll be all set
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Re: Scientists say LHC is BORING!!

#8  Postby InsertNameHere » Feb 27, 2010 1:50 pm

akigr8 wrote:Warning, white people raping :shifty:


:shock:
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Re: Scientists say LHC is BORING!!

#9  Postby Just Wondering » Feb 27, 2010 4:47 pm

InsertNameHere wrote:
akigr8 wrote:Warning, white people raping :shifty:


:shock:


Yeah I had to brace myself on that one too, until I got part-way into the video to realizing he should have said RAPPING.

Come to think of it, white people rapping is just as horrifying. :yuk:
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Re: Scientists say LHC is BORING!!

#10  Postby jerome » Feb 27, 2010 4:55 pm

best thread yet! :grin:
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Re: Scientists say LHC is BORING!!

#11  Postby klazmon » Feb 28, 2010 3:30 am

The LHC is scheduled to be restarted this week.

CERN wrote:Towards the end of the technical stop

After several weeks of hard work, the short technical stop of the LHC accelerator is coming to an end. Following a very intense campaign to repair and retest many thousand high voltage connectors, the upgraded magnet protection system is being commissioned. During this period, the current in the main dipole and quadrupole magnets is carefully increased up to 6kA, required to collide protons at 7TeV centre-of-mass energy. This has been achieved for most of the sectors.


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If you do see any action on the webcams I guess CERN won't be too happy.
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Re: Scientists say LHC is BORING!!

#12  Postby I'm With Stupid » Feb 28, 2010 3:42 am

Did I hear something about a baguette causing a problem?
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Re: Scientists say LHC is BORING!!

#13  Postby klazmon » Feb 28, 2010 3:59 am

I'm With Stupid wrote:Did I hear something about a baguette causing a problem?


Six thousand amps should be enough to toast it. ;)
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Re: Scientists say LHC is BORING!!

#14  Postby newolder » Mar 01, 2010 2:49 pm

CERN on Twitter wrote:The LHC is on its way again. First beam of 2010 circulated in each direction by 04.10 CET.
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Re: Scientists say LHC is BORING!!

#15  Postby crank » Mar 01, 2010 2:53 pm

Remember, it's always calmest before the black hole swallows the earth.
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Proton Collisions Detected at Unprecedented Levels of Energy

#16  Postby RichardPrins » Mar 03, 2010 7:43 pm

Proton Collisions Detected at Unprecedented Levels of Energy
ScienceDaily — CERN has been able to take the first measurements of collisions between particles with the highest energy ever generated. These collisions were performed at CERN's new LHC accelerator and recorded with the CMS Experiment, which involved a key component (the barrel pixel detector) contributed by the Paul Scherrer Institute PSI in collaboration with Swiss Universities.

The first LHC operation in December 2009 has now resulted in a first particle physics publication of the CMS experiment. This is after a remarkably short time, given the complexity and the size of this gigantic experiment constructed and operated by more than 3000 physicists and engineers from close to 40 countries.

The new ring accelerator at CERN, the Large Hadron Collider (LHC) resumed operation end of November 2009 after the major incident, which caused a delay of more than a year. However, now it is working so well that millions of collisions between protons from the two different beams have been induced. Each head-on collision between a pair of protons creates new elementary particles, which fly away from each other like flinders of an explosion. The pixel detector developed by the Paul Scherrer Institute is located just a few centimetres away from the collision site, and registers the particles' flight direction from this ring-side seat. Three layers of pixel detectors are positioned around the beam containing the colliding protons, like the layers of a vast Russian doll; the innermost of the three detectors is located just 4cm from the proton collision site. It has to operate with great precision to deliver three-dimensional images of the particles' flight paths. In just a few hours, researchers from the participating institutes were able to collect enough data to take an initial particle-physics recording. This confirmed the predictions made in advance by computer simulation, and led to the first scientific article based on this experiment, which was accepted for publication in record time. At last, scientists can be absolutely certain that their detector is working as required.

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Protons collide inside the beam pipe at the centre, while the BPIX detector fitted around that location records the data in three dimensions. (Credit: H.R. Bramaz/PSI)

'Crazy' project
The development of this pixel detector alone has involved 15 years of work by dozens of scientists -- from other institutions as well as PSI. For example, the lightweight carbon fibre mechanics was supplied by the University of Zurich. ETH Zurich made vital contributions to the design of the overall electronic system. Key components, such as the connection technology, sensor and readout chip, were developed at PSI where the detector was also assembled.

"In the beginning the project seemed completely crazy" said Project Manager Roland Horisberger. An accurate, powerful detector was required which exceeded the specifications of the technologies available at that time This meant that every aspect had to be developed from scratch; there was nothing but an ambitious vision, and nobody knew if this could become a reality. By now, however, it has long since proved its viability. Detectors based on the technology developed for this project have already been in use for some years at the Swiss Light Source SLS, one of PSI's large-scale facilities. In the meanwhile the concept of pixel detectors stepped out of the institute. The Dectris company, a PSI spinoff, manufactures and sells these detectors extremely successfully world-wide. They are still without competitor in this market.

Gigantic equipment in the search for miniscule particles
What is the reason for the enormous effort? The pixel detector developed by PSI's scientists is placed in the centre of the 22-metre long CMS (Compact Muon Solenoid) detector at CERN. It weighs 12,500 Tonnes and is one of the largest measuring instruments ever built. CMS is one of four experiments at the enormous LHC (Large Hadron Collider) accelerator at CERN, which physicists hope to use to discover more about the solution to the great mysteries of matter.

For example, scientists hope that they will be able to use these particle collisions to prove the existence of the legendary Higgs particle, the last missing (but fundamental) component in the standard model of elementary particle physics. Once they find this particle, they will be able to explain how elementary particles achieve their mass.

Particle physicists also want to find out whether so-called super-symmetrical (SUSY) particles exist. These could be used to explain the dark matter in space, which continues to puzzle physicists. One theory, which is still speculative, suggests that it might be made up of super-symmetrical particles -- but nobody has seen them, yet. Nevertheless, if they did exist, they would decay into a large number of subatomic particles called B mesons. The easiest way to recognise these particles is by their habit of flying a few millimetres away from the point at which they are produced, before they themselves decay into lighter elementary particles. If these decay locations could be measured accurately, this would help to filter out the few spectacular results from the billions upon billions of particle collisions taking place in the CMS. Finding and investigating B mesons represents one of the main activities of the PSI's particle physicists.

Tracking down new laws of nature
Roland Horisberger explains: "If the particle energy crosses a critical, still unknown threshold, we may discover new laws of nature. Even those physical laws that we find very familiar today are only valid up to a certain point."

The measurements quoted in the publication were obtained at 0.9 to 2.36 teraelectron volts (TeV). This alone is a world record. However, the aim of the physicists is to achieve collisions at 14TeV. These would represent conditions as present shortly after the Big Bang. By that stage at the latest, the Higgs or super-symmetrical particles should have appeared -- if they exist at all.
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#17  Postby locutus7 » Mar 03, 2010 7:52 pm

Amazing what international cooperation and science can achieve. And this is a very early stage. Hard to imagine the discoveries that await us.
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#18  Postby hackenslash » Mar 03, 2010 10:59 pm

:cool:
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Re: Scientists say LHC is BORING!!

#19  Postby Prof. Faust » Mar 04, 2010 3:24 am

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Better safe than sorry:

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For a moment, consider the set of all sets that have never been considered.
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Re: Scientists say LHC is BORING!!

#20  Postby OgreMkV » Mar 04, 2010 4:10 am

You know... I wonder if those cameras work under the same principle that most people watching motorsports. They're just waiting for the destruction when something crashes.
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