A lattice Higgs-Yukawa Model with Overlap Fermions - Lattice Seminar

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Higgs boson mass bounds [GeV ]700600500400300200100Higgs boson mass bounds [GeV]1000800600400200m t ′ = 676 ± 22 GeV0500100015002000Cutoff Λ [GeV ]2500300001500200025003000Cutoff Λ [GeV]Dependence of mass bounds on cutoff (Gerhold, Kallarackal,Jansen ‘10):◮ Lower bound has weak cutoff dep.◮ Splitting seems to be a small effect at m t = 175GeV◮ Lower bound increases w/ m t .3500
1000800700upper boundlower bound (preliminary)lowm H (GeV)900800700600500400300Λ = 1.5TeVM P H [GeV]600500400300200200100200 400 600m t (GeV)1000100 200 300 400 500 600 700 800mt ′ [GeV]Dependence of the Higgs Mass bounds on m q at Λ = 1.5TeV (JB,Kallarackal, Jansen, Nagy, in prep):◮ TODO: Include corrections to Z G◮ (Denner, et al. ‘11): For m t ′ ∼ 600GeV, EW rad. corrs. inH → WW,ZZ are −60%.◮ ‘Window’ narrors w/ m t .
Page 1 and 2: A lattice Higgs-Yukawa Model with O
Page 3 and 4: Collaborators:◮ DESY-Zeuthen, Ger
Page 5 and 6: Motivation◮ A heavy 4th gen. of q
Page 7 and 8: The 4G is not dead:◮ Most stringe
Page 9 and 10: Two questions we will ask:◮ How d
Page 11 and 12: IntroductionExamine the Higgs-Yukaw
Page 13 and 14: UV fixed point is trivial: cutoff c
Page 15 and 16: History of Higgs-Yukawa models on t
Page 17 and 18: Examine the free naive Fermion Prop
Page 19 and 20: Introduce pseudo-fermion fields ω.
Page 21 and 22: Preconditioning : Assume SSB ansatz
Page 23 and 24: Set the scale using v phys = 246GeV
Page 25 and 26: 0.25TopBarTopCorrChiralLeftHandedGa
Page 27 and 28: OutlineMotivation/IntroductionHiggs
Page 29 and 30: Unstable states in F.V.If ‘alone
Page 31 and 32: 1.21HiggsPropagatormaxP1.00Correlat
Page 33: Perturbative CalculationsUse the sa
Page 37 and 38: Electroweak baryongenisisWe live in
Page 39 and 40: Finite T transition(Kikukawa, et al
Page 41: ConclusionsEffects of a Heavy Fermi

A lattice Higgs-Yukawa Model with Overlap Fermions - Lattice Seminar

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