New opportunities at the photon energy frontier

Abstract

Ultra-peripheral collisions (UPCs) involving heavy ions and protons are the energy frontier for photon-mediated interactions. UPC photons can be used for many purposes, including probing low-$x$ gluons via photoproduction of dijets and vector mesons, probes of beyond-standard-model processes, such as those enabled by light-by-light scattering, and studies of two-photon production of the Higgs.

Letter of Interest submitted to Snowmass 2021

References in corpus (13)

• The Physics of Ultraperipheral Collisions at the LHC
• Revealing proton shape fluctuations with incoherent diffraction at high energy
• Energy dependence of dissociative $J/\psi$ photoproduction as a signature of gluon saturation at the LHC
• Accessing the gluon Wigner distribution in ultraperipheral $pA$ collisions
• Diffractive Dijet Production and Wigner Distributions from the Color Glass Condensate
• Impact factor for high-energy two and three jets diffractive production
• The elliptic gluon GTMD inside a large nucleus
• Accessing transverse nucleon and gluon distributions in heavy nuclei using coherent vector meson photoproduction at high energies in ion ultraperipheral collisions
• Quantum tomography for collider physics: Illustrations with lepton pair production
• Light-by-light scattering in ultra-peripheral heavy-ion collisions at low diphoton masses
• Double vector meson production in photon - hadron interactions at hadronic colliders
• From the $\gamma \gamma \to p\bar{p}$ reaction to the production of $p\bar{p}$ pairs in ultraperipheral ultrarelativistic heavy-ion collisions at the LHC
• Exclusive production of heavy quarkonia as a probe of the low x and low scale gluon PDF

Cited by in corpus (2)

• gamma-UPC: Automated generation of exclusive photon-photon processes in ultraperipheral proton and nuclear collisions with varying form factors
• An Experiment for Electron-Hadron Scattering at the LHC