Opportunities for new physics searches with heavy ions at colliders

Abstract

Opportunities for searches for phenomena beyond the Standard Model (BSM) using heavy-ions beams at high energies are outlined. Different BSM searches proposed in the last years in collisions of heavy ions, mostly at the Large Hadron Collider, are summarized. A few concrete selected cases are reviewed including searches for axion-like particles, anomalous $\tau$ electromagnetic moments, magnetic monopoles, and dark photons. Expectations for the achievable sensitivities of these searches in the coming years are given. Studies of CP violation in hot and dense QCD matter and connections to ultrahigh-energy cosmic rays physics are also mentioned.

26 pages, 5 figures. White paper of the Proceedings of the US Community Study on the Future of Particle Physics (Snowmass 2021)

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Cited by in corpus (12)

• gamma-UPC: Automated generation of exclusive photon-photon processes in ultraperipheral proton and nuclear collisions with varying form factors
• Overview of high-density QCD studies with the CMS experiment at the LHC
• Searches for axion-like particles via $\gamma \gamma$ fusion at future ${\mathrm{e}}^{+}{\mathrm{e}}^{-}$ colliders
• Measurement of light-by-light scattering and the Breit-Wheeler process, and search for axion-like particles in ultraperipheral PbPb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• Exclusive photon-fusion production of even-spin resonances and exotic QED atoms in high-energy hadron collisions
• The next frontiers for magnetic monopole searches
• Physics with high-luminosity proton-nucleus collisions at the LHC
• Production of bound states of magnetic monopoles in high energy collisions at LHC
• Constraints on Kinetic Mixing of Dark Photons from Dilepton Spectra
• Pseudoscalar heavy quarkonium production in heavy ion ultraperipheral collision
• Exclusive process $\gamma \gamma \to J/\psi +\gamma$ production in ultraperipheral proton and nuclear collisions at the HL-LHC and FCC
• Study $\gamma \gamma \to {\tau }^{+}{\tau }^{-}$ process including ${\tau }^{+}{\tau }^{-}$ spin information in Pb-Pb ultraperipheral collision and at Lepton collider