Probing the origin of 750 GeV diphoton excess with the precision measurements at the ILC

Kyu Jung Bae; Koichi Hamaguchi; Takeo Moroi; Keisuke Yanagi

doi:10.1016/j.physletb.2016.06.026

Probing the origin of 750 GeV diphoton excess with the precision measurements at the ILC

Kyu Jung Bae, Koichi Hamaguchi, Takeo Moroi, Keisuke Yanagi

The University of Tokyo

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2 Scopus citations

Abstract

The recently reported diphoton excess at the LHC may imply the existence of a new resonance with a mass of about 750 GeV which couples to photons via loops of new charged particles. In this letter, we study the possibility to test such models at the ILC, paying attention to the new charged particles responsible for the diphoton decay of the resonance. We show that they affect the scattering processes [Formula presented] (with f denoting Standard Model fermions) at the ILC, which makes it possible to indirectly probe the new charged particles even if they are out of the kinematical reach. We also show that the discriminations of the diphoton models may be possible based on a study of the angular distributions of [Formula presented].

Original language	English
Pages (from-to)	575-582
Number of pages	8
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	759
DOIs	https://doi.org/10.1016/j.physletb.2016.06.026
State	Published - 10 Aug 2016

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title = "Probing the origin of 750 GeV diphoton excess with the precision measurements at the ILC",

abstract = "The recently reported diphoton excess at the LHC may imply the existence of a new resonance with a mass of about 750 GeV which couples to photons via loops of new charged particles. In this letter, we study the possibility to test such models at the ILC, paying attention to the new charged particles responsible for the diphoton decay of the resonance. We show that they affect the scattering processes [Formula presented] (with f denoting Standard Model fermions) at the ILC, which makes it possible to indirectly probe the new charged particles even if they are out of the kinematical reach. We also show that the discriminations of the diphoton models may be possible based on a study of the angular distributions of [Formula presented].",

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T1 - Probing the origin of 750 GeV diphoton excess with the precision measurements at the ILC

AU - Bae, Kyu Jung

AU - Hamaguchi, Koichi

AU - Moroi, Takeo

AU - Yanagi, Keisuke

PY - 2016/8/10

Y1 - 2016/8/10

N2 - The recently reported diphoton excess at the LHC may imply the existence of a new resonance with a mass of about 750 GeV which couples to photons via loops of new charged particles. In this letter, we study the possibility to test such models at the ILC, paying attention to the new charged particles responsible for the diphoton decay of the resonance. We show that they affect the scattering processes [Formula presented] (with f denoting Standard Model fermions) at the ILC, which makes it possible to indirectly probe the new charged particles even if they are out of the kinematical reach. We also show that the discriminations of the diphoton models may be possible based on a study of the angular distributions of [Formula presented].

AB - The recently reported diphoton excess at the LHC may imply the existence of a new resonance with a mass of about 750 GeV which couples to photons via loops of new charged particles. In this letter, we study the possibility to test such models at the ILC, paying attention to the new charged particles responsible for the diphoton decay of the resonance. We show that they affect the scattering processes [Formula presented] (with f denoting Standard Model fermions) at the ILC, which makes it possible to indirectly probe the new charged particles even if they are out of the kinematical reach. We also show that the discriminations of the diphoton models may be possible based on a study of the angular distributions of [Formula presented].

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Probing the origin of 750 GeV diphoton excess with the precision measurements at the ILC

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