Cern

Re: Cern

kc wildman said:
well kinda but not realy the aproaching objects don't realy go faster .
but the foot pounds of energy released at impact is multiplyed by the speed and mass of the objects hitting. I don't know the exact formula but yeh they hit harder the faster they go.

found it,....... force of impact is the sum of,........ mass times acceloration.
F=M*A
F=force
M=mass
A=accelloration
knew it was a simple thing to figure impact energy/force just forgot the equa. and yeh Hate is rite you can't get more out than is put in.
 
Re: Cern

has anyone heard if the tests are on and when they start?????? I haven't heard much lately. nothing on the MSM bout it all.
 
Re: Cern

kc wildman said:
found it,....... force of impact is the sum of,........ mass times acceloration.
F=M*A
F=force
M=mass
A=accelloration
knew it was a simple thing to figure impact energy/force just forgot the equa. and yeh Hate is rite you can't get more out than is put in.
KC,

While I am an admirer of Newton, I'm afraid his equation on force does not apply in the case of particles and their impacting at speeds near that of light. Or even in the energies of impact and momentum at Newtonian velocities.

Newton did, however, lay out the mathematics for what does apply to the situation (although at non-relativistic velocities only.)

First of all, the equation you give above does not relate to any energy released on impact.

Secondly, the energy released at impact by two particles, (or elephants, for that matter) depends on what's left after the impact. Though I doubt that elephants could, on their own, accelerate to speeds that, upon impact, would result in the relativistic conversion of mass into energy, there can be no doubt that this is exactly what particles do in an accelerator, even one much much less powerful that the new one at CERN.

To learn about the energies involved in (standard, Newtonian) impact and momentum situations, HERE's a website with a cute little java applet at the end. Explains the complications fairly well, even if it is in non-relativistic terms.

Harte
 
Re: Cern

As you know, CERN opening was reported again.
Here's a quick update about the new opening date.
CERN announces start-up date for LHC

Geneva, 7 August 2008. CERN has today announced that the first attempt to circulate a beam in the Large Hadron Collider (LHC) will be made on 10 September. This news comes as the cool down phase of commissioning CERN's new particle accelerator reaches a successful conclusion. Television coverage of the start-up will be made available through Eurovision.

The LHC is the world's most powerful particle accelerator, producing beams seven times more energetic than any previous machine, and around 30 times more intense when it reaches design performance, probably by 2010. Housed in a 27-kilometre tunnel, it relies on technologies that would not have been possible 30 years ago. The LHC is, in a sense, its own prototype.

Starting up such a machine is not as simple as flipping a switch. Commissioning is a long process that starts with the cooling down of each of the machine's eight sectors. This is followed by the electrical testing of the 1600 superconducting magnets and their individual powering to nominal operating current. These steps are followed by the powering together of all the circuits of each sector, and then of the eight independent sectors in unison in order to operate as a single machine.

By the end of July, this work was approaching completion, with all eight sectors at their operating temperature of 1.9 degrees above absolute zero (-271?C). The next phase in the process is synchronization of the LHC with the Super Proton Synchrotron (SPS) accelerator, which forms the last link in the LHC's injector chain. Timing between the two machines has to be accurate to within a fraction of a nanosecond. A first synchronization test is scheduled for the weekend of 9 August, for the clockwise-circulating LHC beam, with the second to follow over the coming weeks. Tests will continue into September to ensure that the entire machine is ready to accelerate and collide beams at an energy of 5 TeV per beam, the target energy for 2008. Force majeure notwithstanding, the LHC will see its first circulating beam on 10 September at the injection energy of 450 GeV (0.45 TeV).

Once stable circulating beams have been established, they will be brought into collision, and the final step will be to commission the LHC's acceleration system to boost the energy to 5 TeV, taking particle physics research to a new frontier.

'We're finishing a marathon with a sprint,' said LHC project leader Lyn Evans. 'It's been a long haul, and we're all eager to get the LHC research programme underway.'
###​
CERN will be issuing regular status updates between now and first collisions. Journalists wishing to attend CERN for the first beam on 10 September must be accredited with the CERN press office. Since capacity is limited, priority will be given to news media. The event will be webcast through Live webcast, and distributed through the Eurovision network. Live stand up and playout facilities will also be available.

A media centre will be established at the main CERN site, with access to the control centres for the accelerator and experiments limited and allocated on a first come first served basis. This includes camera positions at the CERN Control Centre, from where the LHC is run. Only television media will be able to access the CERN Control Centre. No underground access will be possible.

For further information and accreditation procedures: http://www.cern.ch/lhc-first-beam
CERN announces start-up date for LHC

Num7
 
Re: Cern

This is so interesting I want to keep up on it and see what happens in the future..I love the success that CERN has had...I wonder if it has to do with all the different scientists coming together to reach collective goals.
I dont understand all of it but I muddle through!
 
Re: Cern

Hello Gonzogirl.

Yes it will be very interesting to see if their theories are correct or if they build a very expensive white Elephant. No not really, if they do not find the God particle the accelerator can be used for many other experiments. As some of the people said that possible generated black holes will evaporate in a very short time, remains to be seen. It is only a theory that they will do that and no experimental proof has been found so far.
Best regards
 

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