Using recent four-body quark model wave functions and NRQCD, the authors compute two-photon couplings and UPC cross sections for fully charmed tetraquarks, showing resonant terms exceed continuum in J/ψJ/ψ but not in γγ channels.
Light- by-light scattering at next-to-leading order in QCD and QED,
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Computes production cross sections and sensitivity limits for heavy ALPs in light-by-light scattering at FCC-hh across pp, pPb, and PbPb modes.
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Two photon decay width of the fully charmed tetraquarks: revisiting prospects for ultraperipheral collisions
Using recent four-body quark model wave functions and NRQCD, the authors compute two-photon couplings and UPC cross sections for fully charmed tetraquarks, showing resonant terms exceed continuum in J/ψJ/ψ but not in γγ channels.
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A search for heavy axion-like particles in light-by-light scattering at the FCC-hh
Computes production cross sections and sensitivity limits for heavy ALPs in light-by-light scattering at FCC-hh across pp, pPb, and PbPb modes.