Radiative Neutrino Mass Generation and Dark Matter - Institute for ...

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Concrete ModelDirect Detection of DMScattering with nucleiN 1l −N 2N 1η +N 2η + η +l −l −γγAAAAInelastic Scattering with nuclei occurs when δm 100 keVPhoton has small transter energy E R .Three types of cross sections are obtained.Charge-Charge coupling: σ CC ∼ (a 12 +c 12 ) 2 Z 2Dipole-Charge coupling: σ DC ∼ µ 2 12 Z2Dipole-Dipole coupling: σ DD ∼ µ 2 12 µ2 Nσ CD is suppressed.Takashi Toma (IPPP) Internal Seminar 7th June 2013 24 / 34
Concrete ModelDirect Detection of DMComparison of the couplings for M η /M 1 = 1.5CC coupling is dominant for rather small mass range.DD coupling is larger than DC coupling for DAMA and KIMS.→ dependence of µ NTakashi Toma (IPPP) Internal Seminar 7th June 2013 25 / 34
Page 2: OutlineOutline1 Introduction2 Neutr
Page 7: Neutrino Mass GenerationExamples of
Page 10 and 11: Dark MatterNature of DM· stable (o
Page 12 and 13: Dark MatterNon-thermal ProductionNo
Page 14 and 15: Concrete ModelInteractions and Neut
Page 16 and 17: Concrete ModelConstraintsThe parame
Page 18 and 19: Concrete ModelConstraintsConstraint
Page 20 and 21: Concrete ModelCoannihilation of DMC
Page 22 and 23: Concrete ModelDirect Detection of D
Page 26 and 27: Concrete ModelDirect Detection of D
Page 28 and 29: Extensions of Radiative Seesaw1. Su
Page 30 and 31: Extensions of Radiative Seesaw2. Fl
Page 32 and 33: SummarySummary1 The SM should be ex
Page 34: Thank you for your attention!Takash

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