Collider constraints on massive gravitons coupling to photons

d'Enterria, David; Tamlihat, Malak Ait; Schoeffel, Laurent; Shao, Hua-Sheng; Tayalati, Yahya

doi:10.1016/j.physletb.2023.138237

Physics Letters B

2023

DOI: 10.1016/j.physletb.2023.138237

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Collider constraints on massive gravitons coupling to photons

David d'Enterria,

Malak Ait Tamlihat,

Laurent Schoeffel

et al.

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2024

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Cited by 6 publications

References 48 publications

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Two-loop massive QCD and QED helicity amplitudes for light-by-light scattering

A H,

Chaubey,

Shao

2024

J. High Energ. Phys.

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We present the analytic and compact two-loop helicity amplitudes for QCD and QED corrections to the light-by-light scattering process with massive internal fermions. We express the master integrals either in terms of multiple polylogarithms or in terms of iterated integrals with dlog one-forms. We also elaborate on optimising the analytic results for each phase-space region. This makes the numerical evaluation of the scattering amplitudes fast, stable and suitable for phenomenological applications.

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Two-loop massive QCD and QED helicity amplitudes for light-by-light scattering

A H,

Chaubey,

Shao

2024

J. High Energ. Phys.

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Accessing the gravitational form factors of the nucleon and nuclei through a massive graviton

Hatta

2024

Phys. Rev. D

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In contrast to the electromagnetic form factors of the nucleon and nuclei that have been extensively studied in electron scattering, there is no known way to directly measure the gravitational form factors (GFFs), the off-forward hadronic matrix element of the QCD energy-momentum tensor. I suggest exploring the possibility to access the GFFs of the proton and nuclei in conjunction with massive graviton searches at future TeV-scale lepton-ion colliders. Published by the American Physical Society 2024

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Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at s=13 TeV

Tumasyan,

Adam,

Andrejkovic

et al. 2024

Phys. Rev. D

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A search is presented for high-mass exclusive diphoton production via photon-photon fusion in proton-proton collisions at s=13 TeV in events where both protons survive the interaction. The analysis utilizes data corresponding to an integrated luminosity of 103 fb−1 collected in 2016–2018 with the central CMS detector and the CMS and TOTEM precision proton spectrometer (PPS). Events that have two photons with high transverse momenta (pTγ>100 GeV), back-to-back in azimuth, and with a large diphoton invariant mass (mγγ>350 GeV) are selected. To remove the dominant inclusive diphoton backgrounds, the kinematic properties of the protons detected in PPS are required to match those of the central diphoton system. Only events having opposite-side forward protons detected with a fractional momentum loss between 0.035 and 0.15 (0.18) for the detectors on the negative (positive) side of CMS are considered. One exclusive diphoton candidate is observed for an expected background of 1.1 events. Limits at 95% confidence level are derived for the four-photon anomalous coupling parameters |ζ1|<0.073 TeV−4 and |ζ2|<0.15 TeV−4, using an effective field theory. Additionally, upper limits are placed on the production of axionlike particles with coupling strength to photons f−1 that varies from 0.03 TeV−1 to 1 TeV−1 over the mass range from 500 to 2000 GeV. © 2024 CERN, for the CMS and TOTEMs Collaboration 2024 CERN

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Collider constraints on massive gravitons coupling to photons

Cited by 6 publications

References 48 publications

Two-loop massive QCD and QED helicity amplitudes for light-by-light scattering

Two-loop massive QCD and QED helicity amplitudes for light-by-light scattering

Accessing the gravitational form factors of the nucleon and nuclei through a massive graviton

Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at s=13 TeV

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