Institute of Theoretical Physics, CAS

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Presentation transcript:

Institute of Theoretical Physics, CAS Dark Matter Constraint on Split-SUSY & Implication at Colliders Jin Min Yang Institute of Theoretical Physics, CAS Wang, Wang, Yang, hep-ph/0512133 EPJC 46, 521(2006)

Outline： 1、 SUSY Dark Matter Introduction 2、 SUSY & Split-SUSY 3、 Dark Matter Constraint on Split-SUSY 4、 Implication at LHC & ILC 5、 Conclusion

Dark Matter WIMP 1、 SUSY Dark Matter Mass: weak-scale Interaction: weak-scale WIMP

LSP  Dark Matter

Which one is LSP ? LSP ?

LSP

2. SUSY & Split-SUSY Fine-tuning GUT Dark Matter Weak-Scale SUSY

squarks sfermions sleptons Sparticles gluino sauginos higgsinos SUSY Zoo: h, H (CP-even) Higgs Bosons A (CP-odd) H squarks sfermions sleptons Sparticles gluino sauginos higgsinos charginos neutralinos

Low-energy SUSY (MSSM): All sparticles < TeV 1 < 130 GeV 5 Higgs bosons 4 < TeV

Split-SUSY: Gauginos/Higgsinos < TeV Super Particles Others：superheavy 1 < 150 GeV Higgs Bosons 4 ：superheavy

SUSY Higgs Bosons at LHC: one: in Split-SUSY Discover  one: in MSSM

MSSM LHC sfermions sparticles LHC gauginos higgsinos ? LHC Split-SUSY

GUT with split-SUSY:

neutralino freeze-out dark matter constraint 3. Dark matter constraint on Split-SUSY neutralino: dark matter neutralino freeze-out charginos dark matter constraint neutralinos

Neutralino annilation:

WMAP 2

4、 Implication at LHC & ILC + pp  - 1 1 e+e-  + - 1 1

Higgs bosons sparticles 5、 Conclusion Higgs bosons sparticles h H, A, H　　 sfermions gaugino/Higgsino SM  MSSM     Split-SUSY   ???

Thanks！