Composite Higgsino

  • Masaki Asano
  • Ryosuke Sato
Open Access


Several supersymmetric models in which there is a (partially) composite Higgs boson arising from (coupled to) a strong sector have been proposed. Such strong dynamics would help to cause the electroweak symmetry breaking naturally. In this paper, we focus on the compositeness of the Higgsinos in such models. We show that such a Higgsino compositeness can induce the characteristic decay branching fraction of the neutralinos. In such scenarios, the decay branching fraction of the second lightest neutral Higgsino into the lightest neutral Higgsino with photon can be large due to a dipole interaction. We also discuss the Higgsino dark matter feature. The annihilation cross section into γZ can be large.


Supersymmetry Phenomenology 


Open Access

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Copyright information

© The Author(s) 2014

Authors and Affiliations

  1. 1.Physikalisches Institut and Bethe Center for Theoretical PhysicsUniversität BonnBonnGermany
  2. 2.Theory Center, KEKTsukubaJapan

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