LHC - Large Hadron Collider
Posted: Mon Sep 08, 2008 3:46 pm
The Large Hadron Collider (LHC) is the world's largest particle accelerator complex, intended to collide opposing beams of 7 TeV protons. Its main purpose is to explore the validity and limitations of the Standard Model, the current theoretical picture for particle physics. The LHC was built by the European Organization for Nuclear Research (CERN), and lies under the Franco-Swiss border near Geneva, Switzerland.
The LHC is the world's largest and the highest-energy particle accelerator. It is funded and built in collaboration with over eight thousand physicists from over eighty-five countries as well as hundreds of universities and laboratories.
The collider is currently undergoing commissioning while being cooled down to its final operating temperature of approximately 1.9 K (−271.25 °C). Initial particle beam injections were successfully carried out on 8-11 August 2008, the first attempt to circulate a beam through the entire LHC is scheduled for 10 September 2008, and the first high-energy collisions are planned to take place after the LHC is officially unveiled, on 21 October 2008.
When activated, it is theorized that the collider will produce the elusive Higgs boson, the observation of which could confirm the predictions and missing links in the Standard Model of physics and could explain how other elementary particles acquire properties such as mass.
Although a few individuals have questioned the safety of the planned experiments in the media and through the courts, the consensus in the scientific community is that there is no basis for any conceivable threat from the LHC particle collisions.
LHC is scheduled to start-up on 10 September 2008. On this day, the very first attempt to circulate a beam through the entire LHC will begin.
The first high-energy collisions are planned to take place after the LHC is officially unveiled, on 21 October 2008.
When activated, it is theorized that the collider will produce the elusive Higgs boson, the observation of which could confirm the predictions and missing links in the Standard Model of physics and could explain how other elementary particles acquire properties such as mass. The verification of the existence of the Higgs boson would be a significant step in the search for a Grand Unified Theory, which seeks to unify three of the four known fundamental forces: electromagnetism, the strong nuclear force and the weak nuclear force, leaving out only gravity. The Higgs boson may also help to explain why gravitation is so weak compared to the other three forces. In addition to the Higgs boson, other theorized particles, models and states might be produced, and for some searches are planned, including supersymmetric particles, compositeness (technicolor), extra dimensions, strangelets, micro black holes and magnetic monopoles.
When in operation, about seven thousand scientists from eighty countries will have access to the LHC. Physicists hope to use the collider to test various grand unified theories and enhance their ability to answer the following questions:
* Is the popular Higgs mechanism for generating elementary particle masses in the Standard Model realised in nature? If so, how many Higgs bosons are there, and what are their masses?
* Will the more precise measurements of the masses of the quarks continue to be mutually consistent within the Standard Model?
* Do particles have supersymmetric ("SUSY") partners?
* Why are there apparent violations of the symmetry between matter and antimatter? See also CP-violation.
* Are there extra dimensions indicated by theoretical gravitons, as predicted by various models inspired by string theory, and can we "see" them?
* What is the nature of dark matter and dark energy?
* Why is gravity so many orders of magnitude weaker than the other three fundamental forces?
http://www.youtube.com/watch?v=j50ZssEojtM
http://www.youtube.com/watch?v=fPxYdOby ... re=related
LHC = THE END OF THE WORLD?
http://www.youtube.com/watch?v=BXzugu39 ... re=related
http://www.youtube.com/watch?v=l59mw61Z ... re=related
=> http://techfreep.com/worlds-largest-sup ... iverse.htm
=> http://www.nytimes.com/2008/04/15/science/15risk.html
What is your opinion about all this?
The LHC is the world's largest and the highest-energy particle accelerator. It is funded and built in collaboration with over eight thousand physicists from over eighty-five countries as well as hundreds of universities and laboratories.
The collider is currently undergoing commissioning while being cooled down to its final operating temperature of approximately 1.9 K (−271.25 °C). Initial particle beam injections were successfully carried out on 8-11 August 2008, the first attempt to circulate a beam through the entire LHC is scheduled for 10 September 2008, and the first high-energy collisions are planned to take place after the LHC is officially unveiled, on 21 October 2008.
When activated, it is theorized that the collider will produce the elusive Higgs boson, the observation of which could confirm the predictions and missing links in the Standard Model of physics and could explain how other elementary particles acquire properties such as mass.
Although a few individuals have questioned the safety of the planned experiments in the media and through the courts, the consensus in the scientific community is that there is no basis for any conceivable threat from the LHC particle collisions.
LHC is scheduled to start-up on 10 September 2008. On this day, the very first attempt to circulate a beam through the entire LHC will begin.
The first high-energy collisions are planned to take place after the LHC is officially unveiled, on 21 October 2008.
When activated, it is theorized that the collider will produce the elusive Higgs boson, the observation of which could confirm the predictions and missing links in the Standard Model of physics and could explain how other elementary particles acquire properties such as mass. The verification of the existence of the Higgs boson would be a significant step in the search for a Grand Unified Theory, which seeks to unify three of the four known fundamental forces: electromagnetism, the strong nuclear force and the weak nuclear force, leaving out only gravity. The Higgs boson may also help to explain why gravitation is so weak compared to the other three forces. In addition to the Higgs boson, other theorized particles, models and states might be produced, and for some searches are planned, including supersymmetric particles, compositeness (technicolor), extra dimensions, strangelets, micro black holes and magnetic monopoles.
When in operation, about seven thousand scientists from eighty countries will have access to the LHC. Physicists hope to use the collider to test various grand unified theories and enhance their ability to answer the following questions:
* Is the popular Higgs mechanism for generating elementary particle masses in the Standard Model realised in nature? If so, how many Higgs bosons are there, and what are their masses?
* Will the more precise measurements of the masses of the quarks continue to be mutually consistent within the Standard Model?
* Do particles have supersymmetric ("SUSY") partners?
* Why are there apparent violations of the symmetry between matter and antimatter? See also CP-violation.
* Are there extra dimensions indicated by theoretical gravitons, as predicted by various models inspired by string theory, and can we "see" them?
* What is the nature of dark matter and dark energy?
* Why is gravity so many orders of magnitude weaker than the other three fundamental forces?
http://www.youtube.com/watch?v=j50ZssEojtM
http://www.youtube.com/watch?v=fPxYdOby ... re=related
LHC = THE END OF THE WORLD?
http://www.youtube.com/watch?v=BXzugu39 ... re=related
http://www.youtube.com/watch?v=l59mw61Z ... re=related
=> http://techfreep.com/worlds-largest-sup ... iverse.htm
=> http://www.nytimes.com/2008/04/15/science/15risk.html
What is your opinion about all this?
