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Doubling down on proton structure: what double parton scattering can and cannot tell us about partonic separation
Andrew Fowlie, Arthur Moraes, Hao Yang
Double parton scattering provides a unique probe of proton structure and is commonly characterized by the effective cross section . We examine, under the factorized…
Radiative decay of fully-heavy tetraquark into quarkonium
Hao Yang, Songlin Lyu, Bingwei Long
We present a comprehensive study of the radiative decays of fully heavy tetraquarks (, ) and mixed heavy-flavor tetraquarks () into charmonium…
Two-loop QCD corrections to
Hao Yang, Lin Zuo, Bingwei Long
We present a next-to-leading-order (NLO) analysis of the rare radiative decay , a flavor-changing transition between bottomonium and charmonium, within the framework…
Doubly heavy hadron production in ultraperipheral collisions
Jun Jiang, Hao Yang, Xiao Liang +5
The inclusive production of pseudoscalar heavy quarkonia (), double heavy baryons ( quarks) and tetraquarks in heavy…
Charmonium pair production in ultraperipheral collision
Hao Yang, Zi-Qiang Chen, Bingwei Long
We study the exclusive double charmonium ($J/ψ\mbox{-} J/ψ$ and $η_c \mbox{-} η_c$) production through photon-photon fusion via ultraperipheral collision (UPC) at the HL-LHC and FC…
Pseudoscalar heavy quarkonium production in heavy ion ultraperipheral collision
Jun Jiang, Shi-Yuan Li, Xiao Liang +4
The inclusive production of pseudoscalar heavy quarkoniua ( and ) via photon-photon fusion in heavy ion ultraperipheral collision (UPC) are calculated to QCD next-to…