Dark Matter Constraint on Split-SUSY & Implication at Colliders
Jin Min Yang
Institute of Theoretical Physics, CAS
Wang, Wang, Yang,
hep-ph/0512133EPJC 46, 521(2006)
1 、 SUSY Dark Matter
3 、 Dark Matter Constraint on Split-SUSY
2 、 SUSY & Split-SUSY
Outline :
4 、 Implication at LHC & ILC
5 、 Conclusion
Introduction
Mass: weak-scale
Interaction: weak-scale
Dark Matter
WIMP
1 、 SUSY Dark Matter
LSP Dark Matter
Which one is LSP ?
LSP ?
LSP
2. SUSY & Split-SUSY
Split-SUSY
• Fine-tuning • GUT • Dark Matter
Weak-Scale SUSY
Sparticles
sfermions
sauginoshiggsinos
squarks
sleptons
gluino
charginos
neutralinos
Higgs Bosonsh, H (CP-even)
H
A (CP-odd)
SUSY Zoo:
Low-energy SUSY (MSSM):
All sparticles < TeV
5 Higgs bosons1 < 130 GeV
4 < TeV
Split-SUSY:
Super Particles
Higgs Bosons1 < 150 GeV
4 : superheavy
Gauginos/Higgsinos < TeV
Others : superheavy
SUSY Higgs Bosons at LHC:
one: in MSSM
one: in Split-SUSY
Discover
sparticles
sfermions
gauginoshiggsinos
MSSM
Split-SUSY
LHC
LHC
LHC ?
GUT with split-SUSY:
neutralino freeze-out
dark matter constraint
charginos
neutralinos
3. Dark matter constraint on Split-SUSY
neutralino: dark matter
Neutralino annilation:
WMAP 2
4 、 Implication at LHC & ILC
+
1-
1pp
e+e- +
1-
1
h H, A, H sfermions gaugino/Higgsino
Higgs bosons sparticles
SM
MSSM
Split-SUSY
???
5 、 Conclusion
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