Implications of perturbative unitarity for scalar di-boson resonance searches at LHC

Di Luzio, Luca; Kamenik, Jernej F.; Nardecchia, Marco

Abstract

We study the constraints implied by partial wave unitarity on new physics in the form of spin-zero di-boson resonances at LHC. We derive the scale where the effective description in terms of the SM supplemented by a single resonance is expected to break down depending on the resonance mass and signal cross section. Likewise, we use unitarity arguments in order to set perturbativity bounds on renormalizable UV completions of the effective description. We finally discuss under which conditions scalar di-boson resonance signals can be accommodated within weakly coupled models.

Citation

Di Luzio, L., Kamenik, J. F., & Nardecchia, M. (2017). Implications of perturbative unitarity for scalar di-boson resonance searches at LHC. The European Physical Journal C, 77(1), Article 30. https://doi.org/10.1140/epjc/s10052-017-4594-2

• Journal Article Type: Article
• Acceptance Date: Jan 1, 2017
• Online Publication Date: Jan 16, 2017
• Publication Date: Jan 16, 2017
• Deposit Date: Jul 13, 2017
• Publicly Available Date: Jul 13, 2017
• Journal: European Physical Journal C: Particles and Fields
• Print ISSN: 1434-6044
• Electronic ISSN: 1434-6052
• Publisher: SpringerOpen
• Peer Reviewed: Peer Reviewed
• Volume: 77
• Issue: 1
• Article Number: 30
• DOI: https://doi.org/10.1140/epjc/s10052-017-4594-2
• Public URL: https://durham-repository.worktribe.com/output/1382585