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