Fermionic dark matter via Higgs portal Laura Lopez Honorez based on - PowerPoint PPT Presentation

Fermionic dark matter via Higgs portal Laura Lopez Honorez based on arXiv:1203.2064 in collaboration with Thomas Schwetz and Jure Zupan GGI workshop - Firenze Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 1 / 17

Introduction galaxy The Quest to determine the Composition of our Universe Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 2 / 17

Introduction Dark matter galaxy The Quest to determine the Composition of our Universe Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 2 / 17

Introduction CMB anisotropies Large Scale Structures (LSS) Dark matter galaxy SDSS galaxy map The Quest to determine the Composition of our Universe Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 2 / 17

Introduction SN1994D et galaxie NGC 4526 Dark Energy SNIa Accelerated expansion CMB anisotropies Large Scale Structures (LSS) Dark matter galaxy SDSS galaxy map The Quest to determine the Composition of our Universe Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 2 / 17

Introduction SDSS Percival et al 2010 WMAP7, Larson et al 2010 Pelmutter 2003 Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 3 / 17

Introduction SDSS Eisenstein et al 2005 Amanullah 2011 WMAP7, Larson et al 2010 Concordance for a flat Universe today made of ~ 70% of dark energy as a Cosmo. Cst. Pelmutter 2003 ~ 30% of matter Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 3 / 17

Introduction . . . Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 4 / 17

Introduction . In this TALK! Higgs portal − fermionic DM Model + Constraints from DM detection Expe. Viable param. space . . Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 4 / 17

Introduction Higgs portal Typically ( H † H ) - dark sector operators drive the SM-DM interactions [ Patt-Wilczeck ’06] Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 5 / 17

Introduction Higgs portal Typically ( H † H ) - dark sector operators drive the SM-DM interactions [ Patt-Wilczeck ’06] Several extensions of the Standard model have been recently revisited with DM=singlet scalar S , vector V , fermion χ [ Djouadi et al ’11, ’12] Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 5 / 17

Introduction Higgs portal Typically ( H † H ) - dark sector operators drive the SM-DM interactions [ Patt-Wilczeck ’06] Several extensions of the Standard model have been recently revisited with DM=singlet scalar S , vector V , fermion χ [ Djouadi et al ’11, ’12] DM stability : Z 2 symmetry Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 5 / 17

Introduction Higgs portal Typically ( H † H ) - dark sector operators drive the SM-DM interactions [ Patt-Wilczeck ’06] Several extensions of the Standard model have been recently revisited with DM=singlet scalar S , vector V , fermion χ [ Djouadi et al ’11, ’12] DM stability : Z 2 symmetry Higgs-DM interactions : λ S S 2 ( H † H ) L ⊃ λ V V µ V µ ( H † H ) λ χ χχ ( H † H ) Λ ¯ Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 5 / 17

Introduction Higgs portal Typically ( H † H ) - dark sector operators drive the SM-DM interactions [ Patt-Wilczeck ’06] Several extensions of the Standard model have been recently revisited with DM=singlet scalar S , vector V , fermion χ [ Djouadi et al ’11, ’12] DM stability : Z 2 symmetry Higgs-DM interactions : λ S S 2 ( H † H ) L ⊃ λ V V µ V µ ( H † H ) λ χ χχ ( H † H ) Λ ¯ Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 5 / 17

Introduction Direct detection : a serious threat for Higgs portal DM Results from 100 Live Days of XENON100 Data E. Aprile et al PRD ’11 Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 6 / 17

Introduction Direct detection : a serious threat for Higgs portal DM Relevant process for elastic scattering : � 2 � λ DM m 2 σ el ∝ red M 2 h with m red = m p m DM / ( m p + m DM ) Results from 100 Live Days of XENON100 Data E. Aprile et al PRD ’11 Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 6 / 17

Introduction Direct detection : a serious threat for Higgs portal DM Relevant process for elastic scattering : � 2 � λ DM m 2 σ el ∝ red M 2 h with m red = m p m DM / ( m p + m DM ) For e.g. M h ∼ 125 GeV [ Djouadi et al ’11] Scalar, Vector DM ruled out for m DM � 80GeV for M h = 125 GeV except for small resonant region m DM ∼ 62 GeV and λ DM ≪ 1 Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 6 / 17

Introduction Direct detection : a serious threat for Higgs portal DM Relevant process for elastic scattering : � 2 � λ DM m 2 σ el ∝ red M 2 h with m red = m p m DM / ( m p + m DM ) For e.g. M h ∼ 125 GeV [ Djouadi et al ’11] Scalar, Vector DM ruled out for m DM � 80GeV Fermionic DM ruled out for m DM up to TeV scale for M h = 125 GeV except for small resonant region m DM ∼ 62 GeV and λ DM ≪ 1 Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 6 / 17

Introduction Higgs Portal Fermionic DM We will see that Higgs Portal fermionic DM below the TeV range can be obtained : [LLH, Schwetz & Zupan ’12] In an Effective Field Theory (EFT) : “The pseudo Higgs portal” see also [Pospelov& Ritz ’11] 1 1 Two types of dim-5 operators considered : H eff = Λ 1 Q 1 + Λ 5 Q 5 Q 1 = ( H † H )(¯ Q 5 = i ( H † H )(¯ χχ ) , χγ 5 χ ) , Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 7 / 17

Introduction Higgs Portal Fermionic DM We will see that Higgs Portal fermionic DM below the TeV range can be obtained : [LLH, Schwetz & Zupan ’12] In an Effective Field Theory (EFT) : “The pseudo Higgs portal” see also [Pospelov& Ritz ’11] 1 1 Two types of dim-5 operators considered : H eff = Λ 1 Q 1 + Λ 5 Q 5 Q 1 = ( H † H )(¯ Q 5 = i ( H † H )(¯ χχ ) , χγ 5 χ ) , When EFT breaks down : two other options in the scalar interaction case. Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 7 / 17

Introduction Higgs Portal Fermionic DM We will see that Higgs Portal fermionic DM below the TeV range can be obtained : [LLH, Schwetz & Zupan ’12] In an Effective Field Theory (EFT) : “The pseudo Higgs portal” see also [Pospelov& Ritz ’11] 1 1 Two types of dim-5 operators considered : H eff = Λ 1 Q 1 + Λ 5 Q 5 Q 1 = ( H † H )(¯ Q 5 = i ( H † H )(¯ χχ ) , χγ 5 χ ) , When EFT breaks down : two other options in the scalar interaction case. “Resonnant Higgs portal” : driven by resonnant annihilation into H or another mediator Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 7 / 17

Introduction Higgs Portal Fermionic DM We will see that Higgs Portal fermionic DM below the TeV range can be obtained : [LLH, Schwetz & Zupan ’12] In an Effective Field Theory (EFT) : “The pseudo Higgs portal” see also [Pospelov& Ritz ’11] 1 1 Two types of dim-5 operators considered : H eff = Λ 1 Q 1 + Λ 5 Q 5 Q 1 = ( H † H )(¯ Q 5 = i ( H † H )(¯ χχ ) , χγ 5 χ ) , When EFT breaks down : two other options in the scalar interaction case. “Resonnant Higgs portal” : driven by resonnant annihilation into H or another mediator “Indirect Higgs portal” : driven by annihilation into a low mass mediator ≡ secluded DM [Pospelov ’07] Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 7 / 17

EFT Higgs-Portal EFT Higgs-Portal Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 8 / 17

EFT Higgs-Portal EFT Higgs-Portal H eff = 1 Q 1 + 1 Q 1 = ( H † H )(¯ Q 5 = i ( H † H )(¯ Q 5 with χχ ) and χγ 5 χ ) , Λ 1 Λ 5 Annihilation : χχ → SM SM v 2 σ ann v = f ( m χ ) 1 × or 4 π Λ 2 Λ 2 1 5 Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 9 / 17

EFT Higgs-Portal EFT Higgs-Portal H eff = 1 Q 1 + 1 Q 1 = ( H † H )(¯ Q 5 = i ( H † H )(¯ Q 5 with χχ ) and χγ 5 χ ) , Λ 1 Λ 5 Annihilation : χχ → SM SM v 2 σ ann v = f ( m χ ) 1 × or 4 π Λ 2 Λ 2 1 5 � annihilation through parity conserving interactions is velocity suppressed. Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 9 / 17

EFT Higgs-Portal EFT Higgs-Portal H eff = 1 Q 1 + 1 Q 1 = ( H † H )(¯ Q 5 = i ( H † H )(¯ Q 5 with χχ ) and χγ 5 χ ) , Λ 1 Λ 5 Annihilation : χχ → SM SM v 2 σ ann v = f ( m χ ) 1 × or 4 π Λ 2 Λ 2 1 5 � annihilation through parity conserving interactions is velocity suppressed. Elastic scattering : χ p → χ p � 2 2 v 2 � m red σ p = 4 1 π ( m p f p ) 2 × or m 2 Λ 2 Λ 2 h 1 5 Laura Lopez Honorez (MPIK-Hd) Fermionic DM via Higgs portal June 2012 9 / 17