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The LHC and ATLAS
Akira ShibataQueen Mary, University of London
The LHC and ATLAS
Akira ShibataQueen Mary, University of London
Atom?
Atom?
Electron
Nucleus
Atom?
Electron
Nucleus
n
np
p
neutronproton
Atom?
Electron
Nucleus
n
np
p
neutronproton
E=MC2
The heaviest known fundamental particle, the top quark is as heavy as 10
water molecules.
The heaviest known fundamental particle, the top quark is as heavy as 10
water molecules.
b
The heaviest known fundamental particle, the top quark is as heavy as 10
water molecules. top
(mass comparison to Bottom)
b
The heaviest known fundamental particle, the top quark is as heavy as 10
water molecules. top
(mass comparison to Bottom)
bW
We need a lot of energy in a very high concentration to produce them, and need to observe their decay products precisely.
We need a lot of energy in a very high concentration to produce them, and need to observe their decay products precisely.
We need a lot of energy in a very high concentration to produce them, and need to observe their decay products precisely.
We need a lot of energy in a very high concentration to produce them, and need to observe their decay products precisely.
We need a lot of energy in a very high concentration to produce them, and need to observe their decay products precisely.
We need a lot of energy in a very high concentration to produce them, and need to observe their decay products precisely.
We need a lot of energy in a very high concentration to produce them, and need to observe their decay products precisely.
We need a lot of energy in a very high concentration to produce them, and need to observe their decay products precisely.
ProtonBeam
ProtonBeam
ProtonBeam
ProtonBeam
Kinetic Energy of TGV trains squeezed into area smaller than human hair cross section.
LHC Facts
LHC FactsRadius: 4.3km
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eV
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101c
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101cCollisions: 800 million per sec
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101cCollisions: 800 million per sec
Project Started: 1984
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101cCollisions: 800 million per sec
Project Started: 1984Budget: ~3.5 CHF (£1.5 billion)
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101cCollisions: 800 million per sec
Project Started: 1984Budget: ~3.5 CHF (£1.5 billion)
ATLAS Facts
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101cCollisions: 800 million per sec
Project Started: 1984Budget: ~3.5 CHF (£1.5 billion)
ATLAS FactsSize: 46m long, 25m diameter
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101cCollisions: 800 million per sec
Project Started: 1984Budget: ~3.5 CHF (£1.5 billion)
ATLAS FactsSize: 46m long, 25m diameter
Weight: 7000 tonnes
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101cCollisions: 800 million per sec
Project Started: 1984Budget: ~3.5 CHF (£1.5 billion)
ATLAS FactsSize: 46m long, 25m diameter
Weight: 7000 tonnesCountries Involved: 34
LHC FactsRadius: 4.3km
Beam Energy: 7x1012 eVBeam Speed: 0.99999999101cCollisions: 800 million per sec
Project Started: 1984Budget: ~3.5 CHF (£1.5 billion)
ATLAS FactsSize: 46m long, 25m diameter
Weight: 7000 tonnesCountries Involved: 34
Physicists Involved: ~3000
Top quarks are produced VERY rarelySo we need to look at many collisions.
Top quarks are produced VERY rarelySo we need to look at many collisions.
Top quarks are produced VERY rarelySo we need to look at many collisions.
Top quarks are produced VERY rarelySo we need to look at many collisions.
Grid Computing
Centre
Grid Computing
Centre
LHC/ATLAS Data Facts
LHC/ATLAS Data FactsEvent Per Second:109Hz
LHC/ATLAS Data FactsEvent Per Second:109Hz
Recorded Event Rate: 100 Hz
LHC/ATLAS Data FactsEvent Per Second:109Hz
Recorded Event Rate: 100 HzData Rate: 1PB (1015Bytes) per year (109 events)
LHC/ATLAS Data FactsEvent Per Second:109Hz
Recorded Event Rate: 100 HzData Rate: 1PB (1015Bytes) per year (109 events)
Number of Machines: ???
ATLAS will start taking data this year and will continue for the next ten years. There will be
lots of discoveries to be made!
ATLAS will start taking data this year and will continue for the next ten years. There will be
lots of discoveries to be made!
We need a lot of physicists to analyse the data.
THE LHC