Diapositive 1

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Noyaux Z protonsN neutrons A
nucléons liés par linteraction
forte mpc2938.2731 MeV mnc2939.56563 MeV
(1 eV/c21.782x10-36 kg) (mec20.511 MeV) Masse
Énergie de liaison
B/A (MeV)
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Rayon du noyau
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réaction Collisions élastiques Collisions
inélastiques Production dénergie par
réaction exotherme fusion

(soleil)
(bombe,
tokamak) fission
(réacteur)
ssection efficace
faisceau cible
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Standard model, the fermions J1/2 leptons
(lepton number L1) quarks (baryonic number
B1/3)
CP
le, m, t
flavor
color
flavor
B, L conserved
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Standard model, the gauge bosons J1
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Higgs mass generation Introduce weak complex
doublet Three degrees of freedom absorbed
by Fourth one is a massive scalar Higgs particle
H Vacuum expectation value Fermion coupling

fermions have masses!

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Coupling to fermions determined by gauge
invariance Electroweak
CC NC el. mag
CKM
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mzc291.1876-0.0021 GeV
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Cabibbo-Kobayashi-Maskawa (CKM)
Can be parametrized as
CP violating phase
Tiny CP asymmetry between particles and
antiparticles
example
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Strong, QCD 3 colors ( charge ) c r, g, b
quanta gluon g(cc) quarks q(c)
gs
q(r)
q(b)
g(rb)
q(b)
q(r)
gs
g(gb)
quark-quark interaction
gluon-gluon interaction
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Tests of the standard model 1) 2) pp (gt2x500
GeV) 3) 4) H atom 5) ee- (90 GeV)

The missing piece the Higgs H, (mH?) LHC?
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Radiative corrections Charges and
couplings are renormalized!