Large Hadron Collider

What is LHC ?

The Large Hadron Collider is the world’s largest and most powerful particle accelerator

It is a 27 km ring of magnets with accelerating structures,

that push the energy of the

particles along the ring

The LHC is located in Geneva, in Switzerland

Currently, there are five experiments at the LHC

CMS

ALICE

LHCb

ATLAS

TOTEM

ALICE, ATLAS, CMS, and LHCb are built in

four huge underground caverns,

that are built around the four

collision points of the LHC beams

LHC Structure…

Two beams Hadrons, will travel in opposite directions inside the

accelerator

Every time the subtomic particles go around the ring, they

gain more energy, hence go faster

Then, physicists will use the LHC to reproduce the conditions just after the Big Bang

They will do this by colliding the two

beams at very high energy

Expert physicists and experts gather from all over

the world to help out with these experiments

No one will know what will happen as a result of these collisions…

…as this experiment is a

never before tried experiment

So kids…

don’t try this at home

Past

In the begining of the 1900s, Europe

dominated in physics

But unfortunatley, the conflicts of the 1930s-1940s held back

european science

By the early 50s, the Americans had understood that further progress needed more sophisticated instruments.

But while Americans were developing new

instruments…

european scientists were still using basic instruments and proceeding slower.

Physicists like Rabi, Amaldi, Auger and Rougemont

realized that there was only one way

to proceed…

So in 1953, CERN was born.

Referenceshttp://lhc.web.cern.ch/lhc/general/history.htm

http://public.web.cern.ch/public/

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http://ireswww.in2p3.fr/ires/recherche/cms/stephanie/images/CMS_3D.gif

http://www.orbit.zkm.de/files/cern.jpg

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