Dr Aidan Robson. The Standard Model of Particle Physics.
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Transcript of Dr Aidan Robson. The Standard Model of Particle Physics.
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The Large Hadron Colliderand the Higgs Boson
Dr Aidan Robson
PARTICLE PHYSICS
SSERC/RCUK CPD
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The Standard Model of Particle Physics
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The Standard Model of Particle Physics
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The Standard Model of Particle Physics
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The Standard Model of Particle Physics
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The Standard Model of Particle Physics
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?
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proton? proton?
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photon
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~450nm
photon
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De Broglie
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De Broglie
Glasgow electron microscope
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electron
proton? proton?
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Glasgow electron microscope Stanford linear accelerator (1960)
Stanford linear accelerator (1960)
proton? proton?
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Glasgow electron microscope Stanford linear accelerator (1960)
Stanford linear accelerator (1960)
proton
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Four forces of nature
Weak
Strong
Electromagnetic
Gravity
electric charge
mass
weak charge
strongcharge
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The Standard Model of Particle Physics
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The Standard Model of Particle Physics
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mesons= 2 quarks
baryons= 3 quarks
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+ + + - - -±
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+ + + - - -±
+2 3
–1 3
–2 3
+1 3
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‘Young man, if I could remember
the names of these particles,
I would have been a botanist!’
E. Fermi to his student
L. Lederman (both Nobel prizewinners)
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The Standard Model of Particle Physics
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H
t,bg
g
l–
l+
l–
l+
Z
Z
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Couplings
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Couplings
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H→tt : New result 26/11/13 !
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Picture from Marusa Bradac
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Higher
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