greetings and purpose of this meeting physics department, graduate school of science & icepp the...
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Greetings and Greetings and Purpose of This Purpose of This
MeetingMeeting
Physics Department, Graduate School of SciencePhysics Department, Graduate School of Science& ICEPP & ICEPP
The University of TokyoThe University of TokyoSachio KomamiyaSachio Komamiya
Koshiba Hall 24th November 2005
Discoveries of Higgs and SupersymmetrDiscoveries of Higgs and Supersymmetry to Pioneer Particle Physics of 21y to Pioneer Particle Physics of 21stst Cen Cen
turytury
MEXT Grand “Higgs and Supersymmetry” MEXT Grand “Higgs and Supersymmetry”
On the eve of the 1974 Revolution
HEP conference 1974 Summer
R=σhadrons/σμμ = ΣQq2
B.Richter
J.Ellis
31 years since31 years sincethe November Revolutionthe November Revolution
Discovery of J/ψDiscovery of J/ψ
e+e- →ψ SLAC Richter et al.
J→ e+e- BNL 丁 et al.
J/ψ =cc bound state
Lept
ons
Q
uark
s Gauge bosons
Higgs boson
The November RevolutionThe November Revolution
B.Richter
w ith California wine
Lept
ons
Q
uark
s Gauge bosons
Higgs boson
We are now on the eve of We are now on the eve of the next Revolutionthe next Revolution
ATLAS Experiment
MEG Experiment
Theoretical Studies towards construction of ILC
All the interactions are governed bAll the interactions are governed by the sacred Gauge Symmetry y the sacred Gauge Symmetry
Higgs Boson breaks the Gauge SyHiggs Boson breaks the Gauge Symmetry and gives mass to all tmmetry and gives mass to all the elementary particles.he elementary particles.
LEP experiments chased Higgs intLEP experiments chased Higgs into a small corner of the parameo a small corner of the parameter space: 114~200 GeV ter space: 114~200 GeV
The last particle in the Standard The last particle in the Standard Model Model
The most urgent subject in particlThe most urgent subject in particle physicse physics
Direct Discovery of Higgs BosonDirect Discovery of Higgs Boson
Higgs BosonHiggs Boson
Supersymmetry (SUSY)Supersymmetry (SUSY)・・ SUSY is a space-time symmetrySUSY is a space-time symmetry It plays a crucial role for the unification of forces with gravitIt plays a crucial role for the unification of forces with gravit
yy
・ ・ Every Elementary Particle has SUSY partner, mass of themEvery Elementary Particle has SUSY partner, mass of them ≦ ≦ TeVTeV ⇒ ⇒ The value of the discovery is that for the Anti-particleThe value of the discovery is that for the Anti-particle
・ ・ The lightest SUSY particle is the best candidate of the Dark MatterThe lightest SUSY particle is the best candidate of the Dark Matter ⇒ ⇒ Understanding of the structure of the universeUnderstanding of the structure of the universe
Lept
ons
and
Qua
rks
Ordinary particlesGauge bosons
Higgs boson
Ordinary particlesGauge bosons
SUSY partners
Higgs bosons
Gauginos
Dark Matter Candidates
Higgs and SUSY are undiscovered
Lept
ons
and
Qua
rks
Sca
lar
Fer
mio
ns
Higgsinos
Electro-magnetic Int.
MagnetismElectro-Weak Int.
β -decay Weak Interaction Grand-Unificationwith SUSY
Nuclei Strong Interaction QCD
Terrestrial experiments
Evolution of Planets
Gravity Quantum Gravity ?
Super-string ?
Maxwell
Weinberg et al.
Fermi
Yukawa
Galileo
Kepler
Newton
Einstein
Electricity
LEP etc.
LHC / ILC
?
Un
ificatio
n o
f F
orc
es
General Relativity
oror
Something totally unexpectedSomething totally unexpectedcan be discoveredcan be discovered
Please enjoy the conference Please enjoy the conference Please come to the party tonightPlease come to the party tonight