Probing Higgs self-coupling of a classically scale invariant model in e + e - → Zhh: Evaluation at physical point

Abstract A classically scale invariant extension of the standard model predicts large anomalous Higgs self-interactions. We compute missing contributions in previous studies for probing the Higgs triple coupling of a minimal model using the process e + e − → Z h h . Employing a proper order counting, we compute the total and differential cross sections at the leading order, which incorporate the one-loop corrections between zero external momenta and their physical values. Discovery/exclusion potential of a future e + e − collider for this model is estimated. We also find a unique feature in the momentum dependence of the Higgs triple vertex for this class of models.

• Publication year

  2017

• Venue

  Physics Letters B

• Publication date

  2017-10-23

• Fields of study

  Physics

• Identifiers
  DOI 10.1016/j.physletb.2018.01.067arXiv 1710.08096
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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