The CP-violating inert-doublet model - Scalars 2011

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Motivation (Barbieri et al) May alleviate Little Hierarchy Problem, by allowing heavier SM Higgs (400 GeV) without conflict with “electroweak precision data” (S and T). New particles (from isospin <strong>doublet</strong>): Stable - DM Stable - DM
Page 1 and 2: Scalar dark matter work with Bohdan
Page 3 and 4: Dark Matter Astrophysical evidence:
Page 5 and 6: footnote: scales 1 light year ≈ (
Page 7 and 8: Ambition: •Problem at scales of 1
Page 9 and 10: The Big Picture 10 -40 cm 2 mass cr
Page 11 and 12: Simple estimate MPl Density of dark
Page 13 and 14: Scalar DM • “Inert (Scalar) Dou
Page 15: Motivation (Barbieri et al) May all
Page 19 and 20: IDM2: 2HDM + inert doublet Fields:
Page 21 and 22: “Dark democracy”: Many paramete
Page 23 and 24: Constraints • positivity (rather
Page 25 and 26: Getting correct DM density Main Ear
Page 27 and 28: Annihilation in the Early Universe
Page 29 and 30: Scan over parameters Collect result
Page 31 and 32: esonant annihilation small 150 Allo
Page 33 and 34: Coannihilation just right: 150 Allo
Page 35 and 36: Allowed regions in MS, M1 3 10 Allo
Page 37 and 38: Allowed regions High region: Allowe
Page 39 and 40: CP violation A “representative”
Page 41 and 42: Direct detection S nucleus invisibl
Page 43 and 44: Compare CDMS-II and XENON100 ] 2 [
Page 45 and 46: e “conservative” and the “str
Page 47 and 48: -18 10 3 10 [GeV] M S -20 10 10 2 1
Page 49: Conclusions ...if scalars are dark

The CP-violating inert-doublet model - Scalars 2011

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